Inventor · disambiguated record
Dan Fraenkel
Also filed as: FRAENKEL DAN
24 granted patents·1 pending application·531 citations·filing 1979–2008
97Inventor score
Top patents by PatentIndex Score
25 records- 0193US6461411B1Method and materials for purifying hydride gases, inert gases, and non-reactive gasesMATHESON TRI GAS·Filed 2001·Granted Oct 8, 2002·54 cites·17 claims
- 0291US7163963B2Chemically and thermally stabilized alumina for Fischer-Tropsch catalystsCONOCOPHILLIPS CO·Filed 2003·Granted Jan 16, 2007·45 cites·75 claims
- 0387US6395070B1Methods for removal of impurity metals from gases using low metal zeolitesMATHESON TRI GAS INC·Filed 2000·Granted May 28, 2002·57 cites·53 claims
- 0486US6974842B1Process for catalyst recovery from a slurry containing residual hydrocarbonsCONOCOPHILLIPS CO·Filed 2004·Granted Dec 13, 2005·54 cites·52 claims
- 0586US6733734B2Materials and methods for the purification of hydride gasesMATHESON TRI GAS·Filed 2001·Granted May 11, 2004·30 cites·63 claims
- 0686US6110258AMethods for removal of water from gases using superheated zeolitesMATHESON TRI GAS INC·Filed 1998·Granted Aug 29, 2000·67 cites·54 claims
- 0786US4962255ACatalysts and process for the production of hydrocarbons and substitution of hydrocarbonsYEDA RES & DEV·Filed 1989·Granted Oct 9, 1990·31 cites·7 claims
- 0883US7915193B2Method for activating strengthened iron catalyst for slurry reactorsRENTECH INC·Filed 2008·Granted Mar 29, 2011·7 cites·32 claims
- 0983US6797036B2Method for removing impurities from process gas streamMATHESON TRI GAS INC·Filed 2002·Granted Sep 28, 2004·19 cites·11 claims
- 1082US6425946B1Method and apparatus for removing trace impurities from a gas using superactivated carbon materialMATHESON TRI GAS INC·Filed 2000·Granted Jul 30, 2002·30 cites·22 claims
- 1181US6547861B2Method and materials for purifying reactive gases using preconditioned ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2001·Granted Apr 15, 2003·28 cites·23 claims
- 1280US4294725ACatalyst, method for catalyst manufacture and useUNIV DELAWARE·Filed 1979·Granted Oct 13, 1981·25 cites·3 claims
- 1379US7276540B2Supports for high surface area catalystsCONOCOPHILLIPS CO·Filed 2003·Granted Oct 2, 2007·18 cites·44 claims
- 1465US6783577B2Gas purifier system containing an ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2002·Granted Aug 31, 2004·6 cites·20 claims
- 1563US6824589B2Materials and methods for the purification of inert, nonreactive, and reactive gasesMATHESON TRI GAS·Filed 2002·Granted Nov 30, 2004·5 cites·21 claims
- 1661US5565399ACo oxidation promoter and use thereof for catalytic crackingENGELHARD CORP·Filed 1994·Granted Oct 15, 1996·22 cites·4 claims
- 1759US7033418B2Method and materials for purifying hydride gases, inert gases, and non-reactive gasesMATHESON TRI GAS INC·Filed 2002·Granted Apr 25, 2006·3 cites·20 claims
- 1859US6783576B2Gas purifier system for removing trace impurities from a reactive fluidMATHESON TRI GAS INC·Filed 2002·Granted Aug 31, 2004·8 cites·18 claims
- 1954US6710012B2Method for producing an ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2002·Granted Mar 23, 2004·6 cites·15 claims
- 2046US10086365B2Strengthened iron catalyst for slurry reactorsDEMIREL BELMA·Filed 2008·Granted Oct 2, 2018·0 cites·30 claims
- 2145US6720282B2Method for producing a preconditioned ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2002·Granted Apr 13, 2004·0 cites·13 claims
- 2242US6709482B2Method for reducing trace impurities from a reactive fluid using preconditioned ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2002·Granted Mar 23, 2004·2 cites·11 claims
- 2342US6526803B1Apparatus and method for generating moisture standards in gasesMATHESON TRI GAS INC·Filed 1999·Granted Mar 4, 2003·8 cites·33 claims
- 2441US2006111232A1Multi-staged wax displacement process for catalyst recovery from a slurryCONOCOPHILLIPS CO·Filed 2004·Application pending·0 cites
- 2538US4593137APara-selective and beta-selective crystallized glass zeolite alkylation catalystYEDA RES & DEV·Filed 1984·Granted Jun 3, 1986·6 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Dan Fraenkel files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →