Topic leaderboard
Compounds of alkali metals
Ranked by the PatentIndex Score — a 1–99 percentile within C01D · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest C01D patents became public in the last 2 years — the current frontier
- 199John L. Burba, Iii19 patents · 694 citations
- 296Yan Wang8 patents · 32 citations
- 392David Henry Snydacker7 patents · 47 citations
- 488Alain Vandendoren13 patents · 34 citations
- 583Alysia Lukito6 patents · 19 citations
- 679Diran Apelian4 patents · 18 citations
- 775Haiyang Zou4 patents · 18 citations
- 871Amos Indranada5 patents · 12 citations
- 967Yatendra Sharma5 patents · 13 citations
- 1063Beniamin Zahiri8 patents · 0 citations
- 1158Saad Dara10 patents · 0 citations
- 1254Norman Albert Lüchinger4 patents · 9 citations
- 1350Stefan Loher4 patents · 9 citations
- 1446Tom Mitchell-Williams4 patents · 9 citations
- 1542Richard Hunwick4 patents · 9 citations
- 1638Ethan J. Novek6 patents · 4 citations
- 1733Lin Fangjian3 patents · 7 citations
- 1829Mustafa Juzer Bootwala3 patents · 8 citations
- 1925Yan-Yan Hu5 patents · 1 citations
- 2021Baoquan Huang3 patents · 6 citations
- 2117Nicolás Andrés Grosso Giordano3 patents · 3 citations
- 2213Sophia Patricia Mock2 patents · 8 citations
- 238Garrett Lau2 patents · 7 citations
- 244Edson Barton Packer2 patents · 3 citations
- 251Gary W. Sams6 patents · 0 citations
Active· last 5 yrs
Sustained C01D output across the last 5 years
- 199Stephen Harrison21 patents · 502 citations
- 296John L. Burba, Iii19 patents · 694 citations
- 392Guy Bourassa20 patents · 209 citations
- 488Gary Pearse15 patents · 201 citations
- 583Mykolas Gladkovas15 patents · 201 citations
- 679Stephen Charles Mackie15 patents · 201 citations
- 775Jean-François Magnan17 patents · 158 citations
- 871Peter Symons10 patents · 149 citations
- 967J. David Genders9 patents · 119 citations
- 1063Geneviève Clayton7 patents · 69 citations
- 1158Eddie Weitzberg9 patents · 65 citations
- 1254Jon Lundberg9 patents · 65 citations
- 1350Ajay Kochhar6 patents · 28 citations
- 1446Timothy George Johnston6 patents · 28 citations
- 1542Jens Paulsen12 patents · 69 citations
- 1638Yan Wang8 patents · 32 citations
- 1733David Henry Snydacker7 patents · 47 citations
- 1829Nicolas Laroche9 patents · 42 citations
- 1925Kamil Mielczarek4 patents · 46 citations
- 2021Michael D. Irwin4 patents · 46 citations
- 2117Vivek V. Dhas4 patents · 46 citations
- 2213Alain Vandendoren13 patents · 34 citations
- 238Charles R. Marston4 patents · 65 citations
- 244Michael J. Garska4 patents · 65 citations
- 251Alysia Lukito6 patents · 19 citations
All-time canon
Career PatentIndex Score in C01D
- 199Jeffrey Swoyer8 patents · 638 citations
- 296Jeremy Barker9 patents · 630 citations
- 392M. Yazid Saidi6 patents · 617 citations
- 488William C. Bauman22 patents · 963 citations
- 583John M. Lee19 patents · 748 citations
- 679Stephen Harrison21 patents · 502 citations
- 775John L. Burba, Iii19 patents · 694 citations
- 871Patrick M. Brown8 patents · 481 citations
- 967Daniel Alfred Boryta18 patents · 513 citations
- 1063Ming Dong5 patents · 189 citations
- 1158Richard W. Chastain12 patents · 343 citations
- 1254Frederick P. Chlanda8 patents · 411 citations
- 1350Anthony E. Winston7 patents · 383 citations
- 1446William C. Copenhafer12 patents · 369 citations
- 1542William R. Frint6 patents · 241 citations
- 1638Thomas H. Neuman10 patents · 302 citations
- 1733Krishnamurthy N. Mani8 patents · 322 citations
- 1829Anthony Michael Thurston11 patents · 240 citations
- 1925Teresita Frianeza Kullberg11 patents · 240 citations
- 2021Guy Bourassa20 patents · 209 citations
- 2117Gary Pearse15 patents · 201 citations
- 2213Mykolas Gladkovas15 patents · 201 citations
- 238Stephen Charles Mackie15 patents · 201 citations
- 244Jean-François Magnan17 patents · 158 citations
- 251Peter Symons10 patents · 149 citations
Rising· last 2 yrs
The top-scoring C01D patents made public in the last 2 years
- 199US12172129B2✦ AIModular extraction apparatus2 cites · 202455% earned
- 296US12148902B2✦ AIEnergy reclamation and carbon-neutral system for critical mineral extraction2 cites · 202467% earned
- 392US12046727B2✦ AIMethod for recovery of valuable metals from spent secondary batteries1 cites · 202456% earned
- 488US12162773B2Extraction of lithium with chemical additives1 cites · 202456% earned
- 583US12338538B2Li recovery processes and onsite chemical production for Li recovery processes0 cites · 20240% earned
- 679US12322769B2Method and apparatus for recycling lithium-ion batteries0 cites · 20240% earned
- 775US12576106B2Compositions of nitrates and methods of use thereof0 cites · 20240% earned
- 871US12479738B2Process and system for lithium production0 cites · 20240% earned
- 967US12434976B1Process for treating a sodium carbonate purge0 cites · 20250% earned
- 1063US12215262B2Luminescent component0 cites · 20240% earned
- 1158US12304827B2High-performance sodium ion electrolytes and efficient methods for making the same0 cites · 20250% earned
- 1254US12308426B2Methods for the production of cathode materials for lithium ion batteries0 cites · 20240% earned
- 1350US12330954B2Systems and methods for the recycling of lithium from battery waste0 cites · 20250% earned
- 1446US12325641B2Systems and methods for producing lithium carbonate and uses thereof0 cites · 20240% earned
- 1542US12370468B2Lithium extraction enhanced by an alternate phase0 cites · 20240% earned
- 1638US12583881B2Device and cassette for performing a plurality of synthesis processes of preparing a radio0 cites · 20240% earned
- 1733US12559608B2Methods for reducing moisture content in alkaline earth metal carbonates0 cites · 20240% earned
- 1829US12172955B2Calcium oxide or magnesium oxide production with alkali and sulfur dioxide intermediates0 cites · 20240% earned
- 1925US12540267B2Treated geothermal brine compositions with reduced concentration of silica, iron and lithi0 cites · 20240% earned
- 2021US12290428B1Osmotic sanitary collection bag0 cites · 20250% earned
- 2117US12351471B2Lithium purification and conversion0 cites · 20240% earned
- 2213US12374716B2Sulfide solid electrolyte and all solid state battery0 cites · 20240% earned
- 238US12264078B2Lithium recovery thermal management0 cites · 20240% earned
- 244US12491476B2Method of recovering lithium from a lithium source0 cites · 20250% earned
- 251US12358805B2Processing of lithium containing brines0 cites · 20240% earned
Active· last 5 yrs
The top-scoring C01D patents of the last 5 years
- 199US10995014B1✦ AIProcess for producing crystallized metal sulfates39 cites · 202184% earned
- 296US11638916B1✦ AIIon lithium extraction apparatus11 cites · 202388% earned
- 392US11502345B2✦ AIMethod and apparatus for recycling lithium-ion batteries10 cites · 202269% earned
- 488US11339481B1Production of lithium hydroxide and lithium carbonate10 cites · 202281% earned
- 583US11377362B2Lithium production with volatile acid7 cites · 202286% earned
- 679US11508999B2Lithium-ion batteries recycling process12 cites · 202188% earned
- 775US12199236B2Sulfide solid electrolyte and treatment method therefor4 cites · 202370% earned
- 871US11292725B2Method for recovering lithium hydroxide8 cites · 202176% earned
- 967US11682801B1Processes for recycling spent catalysts, recycling rechargeable batteries, and integrated 5 cites · 202377% earned
- 1063US11135595B2Process, apparatus, and system for recovering materials from batteries6 cites · 202165% earned
- 1158US12172129B2Modular extraction apparatus2 cites · 202455% earned
- 1254US11358875B2Lithium extraction in the presence of scalants5 cites · 202172% earned
- 1350US11814309B1Multistage desalination process with carbon dioxide capture3 cites · 202380% earned
- 1446US11316157B1Methods for the production of cathode materials for lithium ion batteries6 cites · 202274% earned
- 1542US11108084B2Sulfide solid electrolyte and battery5 cites · 202184% earned
- 1638US12252409B2Preparation of lithium carbonate from lithium chloride containing brines2 cites · 202353% earned
- 1733US12076662B2Devices for efficient sorbent utilization in lithium extraction2 cites · 202361% earned
- 1829US12030847B2Sodium bicarbonate or sodium carbonate or sodium hydroxide or calcium oxide or calcium hyd2 cites · 202367% earned
- 1925US12148902B2Energy reclamation and carbon-neutral system for critical mineral extraction2 cites · 202467% earned
- 2021US11723917B2Compositions of nitrates and methods of use thereof3 cites · 202167% earned
- 2117US11932550B2Processing of lithium containing brines4 cites · 202175% earned
- 2213US11702719B2Method for recovering lithium from lithium ion battery scrap4 cites · 202175% earned
- 238US12392013B2Method and apparatus for sodium slag recovery2 cites · 202376% earned
- 244US11760958B2Particulate laundry softening and freshening wash additive comprising perfume and softener2 cites · 202258% earned
- 251US11588177B2Solid-state electrolyte, solid-state battery including the electrolyte, and method of maki2 cites · 202276% earned
All-time canon
The defining C01D patents of the whole record
- 199US5372617A✦ AIHydrogen generation by hydrolysis of hydrides for undersea vehicle fuel cell energy system372 cites · 199494% earned
- 296US6528033B1✦ AIMethod of making lithium-containing materials242 cites · 200382% earned
- 392US7132090B2✦ AISequestration of carbon dioxide218 cites · 200494% earned
- 488US5512071AWater soluble blast media containing surfactant186 cites · 199690% earned
- 583US6361660B1Photoelectrochemical device containing a quantum confined group IV semiconductor nanoparti181 cites · 200294% earned
- 679US6221225B1Apparatus and process for electrodialysis of salts164 cites · 200188% earned
- 775US6048507AProcess for the purification of lithium carbonate146 cites · 200090% earned
- 871US5718618ALapping and polishing method and apparatus for planarizing photoresist and metal microstru146 cites · 199894% earned
- 967US4116889ABipolar membranes and method of making same138 cites · 197893% earned
- 1063US4036713AProcess for the production of high purity lithium hydroxide122 cites · 197793% earned
- 1158US5858240ANanofiltration of concentrated aqueous salt solutions109 cites · 199990% earned
- 1254US4057512AAlkali metal catalyst recovery system106 cites · 197793% earned
- 1350US6716372B2Lithium-containing materials105 cites · 200280% earned
- 1446US4159311ARecovery of lithium from brines105 cites · 197989% earned
- 1542US4031184AProcess for reclaiming cement kiln dust and recovering chemical values therefrom105 cites · 197793% earned
- 1638US4116858ARecovery of lithium from brines104 cites · 197889% earned
- 1733US6270722B1Stabilized bromine solutions, method of manufacture and uses thereof for biofouling contro104 cites · 200193% earned
- 1829US7588694B1Low-melting point inorganic nitrate salt heat transfer fluid104 cites · 200993% earned
- 1925US6702961B2Preparation of lithium-containing materials102 cites · 200379% earned
- 2021US4239515AGas-liquid contact reaction apparatus101 cites · 198093% earned
- 2117US6609761B1Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale98 cites · 200385% earned
- 2213US4207297AProcess for producing high purity lithium carbonate98 cites · 198093% earned
- 238US7875163B2Low energy 4-cell electrochemical system with carbon dioxide gas98 cites · 201093% earned
- 244US5993759AProduction of lithium carbonate from brines93 cites · 199993% earned
- 251US5219550AProduction of low boron lithium carbonate from lithium-containing brine90 cites · 199393% earned
Rising· last 2 yrs
Assignees whose newest C01D patents became public in the last 2 years — the current frontier
- 199SOLVAY52 patents · 298 citations
- 296WORCESTER POLYTECH INST8 patents · 32 citations
- 392LILAC SOLUTIONS INC7 patents · 47 citations
- 488HEARTBEET LTD10 patents · 29 citations
- 583TERRALITHIUM LLC8 patents · 23 citations
- 679REED ADVANCED MAT PTY LTD5 patents · 13 citations
- 775INT BATTERY METALS LTD4 patents · 7 citations
- 871MANGROVE WATER TECH LTD10 patents · 0 citations
- 967AVANTAMA AG4 patents · 9 citations
- 1063IBM5 patents · 11 citations
- 1158ALBEMARLE CORP3 patents · 13 citations
- 1254GE SOLARTECH LLC3 patents · 6 citations
- 1350INNOVATOR ENERGY LLC5 patents · 3 citations
- 1446SUMITOMO CHEMICAL CO5 patents · 2 citations
- 1542INCOA PERFORMANCE MINERALS LLC3 patents · 2 citations
- 1638SCHLUMBERGER TECHNOLOGY CORP6 patents · 0 citations
- 1733UNIV FLORIDA STATE RES FOUND3 patents · 0 citations
- 1829UNIV UNITED ARAB EMIRATES2 patents · 4 citations
- 1925LYTEN INC2 patents · 2 citations
- 2021TOKYO INST TECH3 patents · 1 citations
- 2117OUT AND OUT CHEMISTRY S P R L3 patents · 0 citations
- 2213ICSIP Pty Ltd2 patents · 0 citations
- 238GREEN LI ION PTE LTD2 patents · 1 citations
- 244LI IND INC2 patents · 0 citations
- 251UNIV BEIJING TECHNOLOGY4 patents · 0 citations
Active· last 5 yrs
Sustained C01D output across the last 5 years
- 199NEMASKA LITHIUM INC20 patents · 210 citations
- 296SOLVAY52 patents · 298 citations
- 392US ENERGY11 patents · 125 citations
- 488LI CYCLE CORP6 patents · 28 citations
- 583UNIV CALIFORNIA8 patents · 56 citations
- 679LG CHEMICAL LTD30 patents · 72 citations
- 775WORCESTER POLYTECH INST8 patents · 32 citations
- 871LILAC SOLUTIONS INC7 patents · 47 citations
- 967HEARTBEET LTD10 patents · 29 citations
- 1063TERRALITHIUM LLC8 patents · 23 citations
- 1158PROCTER & GAMBLE5 patents · 26 citations
- 1254SAMSUNG SDI CO LTD17 patents · 37 citations
- 1350ENERGYSOURCE MINERALS LLC4 patents · 65 citations
- 1446IDEMITSU KOSAN CO13 patents · 15 citations
- 1542OUTOTEC FINLAND OY4 patents · 39 citations
- 1638HATCH LTD4 patents · 42 citations
- 1733REED ADVANCED MAT PTY LTD5 patents · 13 citations
- 1829BASF SE8 patents · 10 citations
- 1925SAMSUNG ELECTRONICS CO LTD13 patents · 10 citations
- 2021INT BATTERY METALS LTD4 patents · 7 citations
- 2117UCHICAGO ARGONNE LLC6 patents · 11 citations
- 2213BASF CORP5 patents · 14 citations
- 238MOSAIC CO4 patents · 19 citations
- 244MANGROVE WATER TECH LTD10 patents · 0 citations
- 251AVANTAMA AG4 patents · 9 citations
All-time canon
All-time PatentIndex Score in C01D
- 199VALENCE TECHNOLOGY INC7 patents · 632 citations
- 296DOW CHEMICAL CO47 patents · 1,346 citations
- 392FMC CORP30 patents · 1,140 citations
- 488CHURCH & DWIGHT CO INC21 patents · 572 citations
- 583CHEMETALL FOOTE CORP12 patents · 285 citations
- 679HARRISON STEPHEN5 patents · 177 citations
- 775FOOTE MINERAL CO5 patents · 289 citations
- 871ALLIED CHEM23 patents · 518 citations
- 967UNION OIL CO23 patents · 406 citations
- 1063NEMASKA LITHIUM INC20 patents · 210 citations
- 1158OLIN CORP24 patents · 416 citations
- 1254CHEMETICS INT5 patents · 239 citations
- 1350GEN ELECTRIC7 patents · 219 citations
- 1446INTERMOUNTAIN RES & DEV CORP9 patents · 232 citations
- 1542FMC WYOMING CORP7 patents · 184 citations
- 1638SOLVAY MINERALS INC6 patents · 148 citations
- 1733TEXAS BRINE CORP7 patents · 151 citations
- 1829TG SODA ASH INC4 patents · 233 citations
- 1925NALCO CHEMICAL CO8 patents · 178 citations
- 2021ETHYL CORP7 patents · 129 citations
- 2117ARCHER DANIELS MIDLAND CO4 patents · 252 citations
- 2213KALI & SALZ AG10 patents · 131 citations
- 238PENNZOIL CO5 patents · 119 citations
- 244LITHIUM CORP6 patents · 138 citations
- 251NASA6 patents · 122 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth