Inventor · disambiguated record
James A. Johnson
Also filed as: JOHNSON III JAMES ALBERT · JOHNSON JAMES A · JOHNSON JAMES ALBERT
39 granted patents·8 pending applications·380 citations·filing 1974–2023
97Inventor score
Top patents by PatentIndex Score
47 records- 0195US9073805B2Hydrocracking process for a hydrocarbon streamUOP LLC·Filed 2014·Granted Jul 7, 2015·8 cites·9 claims
- 0295US7268267B2Alkylation process using UZM-8 zeoliteUOP LLC·Filed 2005·Granted Sep 11, 2007·25 cites·25 claims
- 0394US7652181B1Alkylation reactor design with effluent recycle and impure benzene regenerationUOP LLC·Filed 2006·Granted Jan 26, 2010·23 cites·19 claims
- 0493US9061953B2Process for converting polycyclic aromatic compounds to monocyclic aromatic compoundsUOP LLC·Filed 2014·Granted Jun 23, 2015·12 cites·18 claims
- 0592US7368620B2Two-stage aromatics isomerization processUOP LLC·Filed 2005·Granted May 6, 2008·12 cites·6 claims
- 0690US7495137B2Two-stage aromatics isomerization processUOP LLC·Filed 2008·Granted Feb 24, 2009·13 cites·9 claims
- 0789US9079816B2Process for producing alkylated aromatic compoundsUOP LLC·Filed 2014·Granted Jul 14, 2015·8 cites·20 claims
- 0889US8546631B2Methods for removing unsaturated aliphatic hydrocarbons from a hydrocarbon stream using activated carbonJAN DENG-YANG·Filed 2011·Granted Oct 1, 2013·5 cites·20 claims
- 0988US8518847B2Aromatic alkylation catalystJAN DENG-YANG·Filed 2010·Granted Aug 27, 2013·5 cites·14 claims
- 1087US8546632B2Methods for removing unsaturated aliphatic hydrocarbons from a hydrocarbon stream using an acidic molecular sieveJAN DENG-YANG·Filed 2011·Granted Oct 1, 2013·4 cites·18 claims
- 1187US8546630B2Methods for removing unsaturated aliphatic hydrocarbons from a hydrocarbon stream using clayJAN DENG-YANG·Filed 2011·Granted Oct 1, 2013·4 cites·17 claims
- 1287US7417003B2Solid acid catalyst and process for decomposition of cumene hydroperoxideUOP LLC·Filed 2006·Granted Aug 26, 2008·10 cites·11 claims
- 1387US6512155B1Process for the activation of an alkylaromatic isomerization catalyst by waterUOP LLC·Filed 2000·Granted Jan 28, 2003·22 cites·20 claims
- 1486US5177295AProcess for separating para-xylene from a C8 and C9 aromatic mixtureUOP INC·Filed 1991·Granted Jan 5, 1993·31 cites·9 claims
- 1584US7888537B2Solid acid catalyst and process for decomposition of cumene hydroperoxideUOP LLC·Filed 2007·Granted Feb 15, 2011·7 cites·20 claims
- 1683US9067853B2Process for selectively dealkylating aromatic compoundsUOP LLC·Filed 2014·Granted Jun 30, 2015·2 cites·6 claims
- 1783US5288377AProcess for the manufacture of printed circuits using electrophoretically deposited organic resistsMACDERMID INC·Filed 1993·Granted Feb 22, 1994·35 cites·11 claims
- 1882US8703982B2Purification of taxanesBUCHER BRIAN A·Filed 2010·Granted Apr 22, 2014·4 cites·12 claims
- 1982US3972686ADevice for loading catalyst particles into a reaction zoneUNIVERSAL OIL PROD CO·Filed 1974·Granted Aug 3, 1976·39 cites·4 claims
- 2081US9162952B2Process for purifying products from coal tarUOP LLC·Filed 2014·Granted Oct 20, 2015·2 cites·17 claims
- 2181US4665273AIsomerization of high sulfur content naphthasUOP INC·Filed 1986·Granted May 12, 1987·16 cites·11 claims
- 2279US8609925B2Adsorbents with improved mass transfer properties and their use in the adsorptive separation of para-xyleneCHENG LINDA SHI·Filed 2008·Granted Dec 17, 2013·5 cites·15 claims
- 2378US4051019AMethod for loading finely divided particulate matter into a vesselUOP INC·Filed 1975·Granted Sep 27, 1977·26 cites·4 claims
- 2477US9193921B2Hydrocracking process for a hydrocarbon streamUOP LLC·Filed 2015·Granted Nov 24, 2015·1 cites·6 claims
- 2577US7622622B1Process for the high yield production of monoalkylaromaticsUOP LLC·Filed 2004·Granted Nov 24, 2009·9 cites·13 claims
- 2667US9061955B2Method of converting a coal to chemicalsUOP LLC·Filed 2014·Granted Jun 23, 2015·0 cites·7 claims
- 2766US9365469B2Process for transalkylating aromatic hydrocarbonsLAFYATIS DAVID S·Filed 2011·Granted Jun 14, 2016·1 cites·20 claims
- 2864US7128829B1Removal of impurities from liquid hydrocarbon streamsUOP LLC·Filed 2003·Granted Oct 31, 2006·9 cites·15 claims
- 2962US8754278B2Aromatic alkylation catalystUOP LLC·Filed 2013·Granted Jun 17, 2014·0 cites·10 claims
- 3059US5550006APhosphating compositions and processes, particularly for use in fabrication of printed circuits utilizing organic resistsMACDERMID INC·Filed 1994·Granted Aug 27, 1996·20 cites·7 claims
- 3158US9193644B2Process for selectively dealkylating aromatic compoundsUOP LLC·Filed 2015·Granted Nov 24, 2015·0 cites·7 claims
- 3258US9162943B2Method of converting a coal to chemicalsUOP LLC·Filed 2015·Granted Oct 20, 2015·0 cites·7 claims
- 3356US8173852B1Methods and apparatuses for producing styrene from ethylbenzeneLIANG WUGENG·Filed 2011·Granted May 8, 2012·0 cites·8 claims
- 3455US5927862ABearingFiled 1997·Granted Jul 27, 1999·20 cites·7 claims
- 3554US2012294784A1Methods and apparatuses for producing styrene from ethylbenzeneLIANG WUGENG·Filed 2012·Application pending·0 cites
- 3652US2015136580A1Process for pyrolyzing coal using a recycled hydrogen donorUOP LLC·Filed 2014·Application pending·0 cites
- 3751US9309170B2Aromatics isomerization using a dual-catalyst systemUOP LLC·Filed 2012·Granted Apr 12, 2016·0 cites·14 claims
- 3850US12182168B2Cost attribution using resource switchingSIGMA COMPUTING INC·Filed 2023·Granted Dec 31, 2024·0 cites·20 claims
- 3949US2015136657A1Hydrotreating process and multifunction hydrotreaterUOP LLC·Filed 2014·Application pending·0 cites
- 4049US2015136655A1Process for producing hydrogen-rich coal tarUOP LLC·Filed 2014·Application pending·0 cites
- 4149US2015136648A1Method for treating coal tar using reactive distillationUOP LLC·Filed 2014·Application pending·0 cites
- 4248US2015141726A1Process for producing olefins from a coal feedUOP LLC·Filed 2014·Application pending·0 cites
- 4346US2009271577A1Peer-to-peer network content object information cachingCAMPANA DAVID ANTHONY·Filed 2009·Application pending·0 cites
- 4440US2019002371A1Dual raffinate paraxylene extraction processUOP LLC·Filed 2018·Application pending·0 cites
- 4538US10577293B2Process and apparatus for improved para-xylene yield in an aromatic complexUOP LLC·Filed 2017·Granted Mar 3, 2020·0 cites·20 claims
- 4635US8350111B2Method for producing cumeneUOP LLC·Filed 2010·Granted Jan 8, 2013·0 cites·16 claims
- 4723US4178230AProcess for the simultaneous production of aromatic hydrocarbons and isobutaneUOP INC·Filed 1978·Granted Dec 11, 1979·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →