Assignee
DOVER CHEMICAL CORP
US·30 granted patents·17 pending applications·333 citations·filing 1993–2025
Top patents by PatentIndex Score
47 records- 0195US8981042B2Cycloaliphatic polyphosphite polymer stabilizersDOVER CHEMICAL CORP·Filed 2013·Granted Mar 17, 2015·16 cites·4 claims
- 0290US6224791B1Lactone/phosphite blendsDOVER CHEMICAL CORP·Filed 2000·Granted May 1, 2001·38 cites·22 claims
- 0390US5364895AHydrolytically stable pentaerythritol diphosphitesDOVER CHEMICAL CORP·Filed 1993·Granted Nov 15, 1994·57 cites·13 claims
- 0488US11780977B2Polymer compositions having an improved printable surface and related methodsDOVER CHEMICAL CORP·Filed 2021·Granted Oct 10, 2023·1 cites·10 claims
- 0586US6770693B2Blends of phosphites and antioxidantsDOVER CHEMICAL CORP·Filed 2001·Granted Aug 3, 2004·35 cites·22 claims
- 0684US12098255B2Polymer compositions having an improved printable surface and related methodsDOVER CHEMICAL CORP·Filed 2023·Granted Sep 24, 2024·0 cites·14 claims
- 0784US6824711B2Phosphite ester additive compositionDOVER CHEMICAL CORP·Filed 2002·Granted Nov 30, 2004·24 cites·10 claims
- 0880US10597945B2Coiled-tubing fluid-lubricant composition and related methodsDOVER CHEMICAL CORP·Filed 2017·Granted Mar 24, 2020·3 cites·4 claims
- 0979US5532401AProcess for production of tris(nonylphenyl) phosphiteDOVER CHEMICAL CORP·Filed 1995·Granted Jul 2, 1996·35 cites·14 claims
- 1078US11008529B2Polymeric poly-phosphorus additives for: gear oil, grease, engine-oil, combustion-engine lubricant, automatic transmission fluid, anti-wear agents, two-cycle engine lubricant, or marine-engine lubricantDOVER CHEMICAL CORP·Filed 2019·Granted May 18, 2021·2 cites·34 claims
- 1178US7320764B2Phosphite ester additive compositionsDOVER CHEMICAL CORP·Filed 2004·Granted Jan 22, 2008·14 cites·37 claims
- 1277US9745425B2Cycloaliphatic polyphosphiteDOVER CHEMICAL CORP·Filed 2014·Granted Aug 29, 2017·2 cites·13 claims
- 1375US9982112B2Copolymeric polyphosphite polymer stabilizersDOVER CHEMICAL CORP·Filed 2014·Granted May 29, 2018·1 cites·7 claims
- 1472US7960323B2Nitrated extreme pressure additivesDOVER CHEMICAL CORP·Filed 2007·Granted Jun 14, 2011·2 cites·5 claims
- 1572US7176252B2Solid melt blended phosphite compositesDOVER CHEMICAL CORP·Filed 2004·Granted Feb 13, 2007·17 cites·52 claims
- 1672US6362260B1Phenol-free phosphite stabilizersDOVER CHEMICAL CORP·Filed 1999·Granted Mar 26, 2002·18 cites·25 claims
- 1770US2024279446A1Polymeric Films Having Reduced Melt Fracture and Related MethodsDOVER CHEMICAL CORP·Filed 2024·Application pending·0 cites
- 1870US2024279435A1Polymeric Compositions That Reduce Die Buildup During Extrusion and Related MethodsDOVER CHEMICAL CORP·Filed 2024·Application pending·0 cites
- 1968US5495058ANon-ozone depleting chlorination solventsDOVER CHEMICAL CORP·Filed 1994·Granted Feb 27, 1996·10 cites·11 claims
- 2065US7294684B2Dimeric and polymeric alkylphenol polysulfidesDOVER CHEMICAL CORP·Filed 2006·Granted Nov 13, 2007·1 cites·17 claims
- 2165US5939366ALubrication process using chlorine-free lubricantDOVER CHEMICAL CORP·Filed 1998·Granted Aug 17, 1999·20 cites·16 claims
- 2265US2026071052A1Capsule Filled with Polymer Additives, Polymer-Additive Pods, and Methods for Using Them in a Polymer-Compounding ProcessDOVER CHEMICAL CORP·Filed 2025·Application pending·0 cites
- 2364US2024191045A1Polymeric Films Having Reduced Melt Fracture and Related MethodsDOVER CHEMICAL CORP·Filed 2023·Application pending·0 cites
- 2464US2024158620A1Films Manufactured with Post-Consumer Recycled Plastic and Related MethodsDOVER CHEMICAL CORP·Filed 2023·Application pending·0 cites
- 2563US7470735B2Phenol-free phosphitesDOVER CHEMICAL CORP·Filed 2004·Granted Dec 30, 2008·4 cites·23 claims
- 2661US11674041B2Stabilizer composition for polymer-composition melt processing and related methodsDOVER CHEMICAL CORP·Filed 2021·Granted Jun 13, 2023·0 cites·1 claims
- 2753US6114591AProcess for preparing highly chlorinated paraffinsDOVER CHEMICAL CORP·Filed 1998·Granted Sep 5, 2000·8 cites·20 claims
- 2852US2023054276A1Chlorinated hydrocarbons as lubricants for coiled-tubing (ct) subterranean drilling in oil-gas exploration applicationDOVER CHEMICAL CORP·Filed 2022·Application pending·0 cites
- 2951US11472928B2Use of a polymeric polyphosphite as a polymer processing aidDOVER CHEMICAL CORP·Filed 2019·Granted Oct 18, 2022·0 cites·5 claims
- 3051US7342060B2Process for manufacture of pentaerythritol diphosphitesDOVER CHEMICAL CORP·Filed 2003·Granted Mar 11, 2008·2 cites·82 claims
- 3151US5780400AChlorine-free extreme pressure fluid additiveDOVER CHEMICAL CORP·Filed 1997·Granted Jul 14, 1998·12 cites·8 claims
- 3250US7595412B2Polymer dispersible polybasic metal carboxylate complexesDOVER CHEMICAL CORP·Filed 2002·Granted Sep 29, 2009·2 cites·46 claims
- 3347US9382201B2Light-colored metal working additivesDOVER CHEMICAL CORP·Filed 2014·Granted Jul 5, 2016·0 cites·1 claims
- 3447US2014080948A1Polymer-additive carrier compositionDOVER CHEMICAL CORP·Filed 2013·Application pending·0 cites
- 3546US10745639B2Polymeric poly-phosphorus lubricant additives for metal workingDOVER CHEMICAL CORP·Filed 2018·Granted Aug 18, 2020·0 cites·30 claims
- 3645US9963572B2Chlorinated ester polyvinyl-chloride secondary plasticizer and related methodsDOVER CHEMICAL CORP·Filed 2016·Granted May 8, 2018·0 cites·36 claims
- 3743US6204228B1Light-colored sulfur-containing extreme pressure lubricant additivesDOVER CHEMICAL CORP·Filed 1999·Granted Mar 20, 2001·9 cites·20 claims
- 3843US2019248960A1Use of a Polymeric Polyphosphite as a Polymer Processing AidDOVER CHEMICAL CORP·Filed 2018·Application pending·0 cites
- 3941US2015203636A1Cycloaliphatic polyphosphite polymer stabilizersDOVER CHEMICAL CORP·Filed 2015·Application pending·0 cites
- 4041US2018334550A1Stabilized Polyolefin-Polymer Compositions and Related MethodsDOVER CHEMICAL CORP·Filed 2017·Application pending·0 cites
- 4139US2018222832A1Process for Aluminum Catalyst Deactivation and Removal from Alkylated PhenolsDOVER CHEMICAL CORP·Filed 2018·Application pending·0 cites
- 4238US2016340493A1Alkylphenol-free Polymeric Polyphosphite Stabilizer for Rubber CompositionsDOVER CHEMICAL CORP·Filed 2016·Application pending·0 cites
- 4338US2017204320A1Low Pour-Point Lubricant Additives For Oiled-Based Muds and Synthetic-Based Muds Lubricant Additives for Wellbore or Subterranean Drilling Fluids or MudsDOVER CHEMICAL CORP·Filed 2017·Application pending·0 cites
- 4438US2016237264A1Alkylphenol-free Polymeric Polyphosphite Stabilizer for Polyolefin Compositions for Film, Fiber and Molded ArticlesDOVER CHEMICAL CORP·Filed 2016·Application pending·0 cites
- 4535US2005272945A1High shear process for making metallic estersDOVER CHEMICAL CORP·Filed 2005·Application pending·0 cites
- 4633US2020217149A1Coiled-Tubing Fluid-Lubricant Composition and Related MethodsDOVER CHEMICAL CORP·Filed 2020·Application pending·0 cites
- 4730US2015218433A1Lubricant Additives for Wellbore or Subterranean Drilling Fluids or MudsDOVER CHEMICAL CORP·Filed 2015·Application pending·0 cites
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