Inventor · disambiguated record
Emmanuel Arretz
Also filed as: ARRETZ EMMANUEL · ARRETZ EMMANUEL F · ARRETZ EMMANUEL F E
19 granted patents·219 citations·filing 1982–1998
95Inventor score
Files withELF AQUITAINE15ELF AQUITAINE EXPLORATION PROD2ATOCHEM NORTH AMERICA ELF1ELF ACQUITAINE EXPLORATION PRO1
Top patents by PatentIndex Score
19 records- 0194US5068445AProcess for the preparation of organic disulphides and polysulphidesELF AQUITAINE·Filed 1989·Granted Nov 26, 1991·45 cites·17 claims
- 0283US5493058ASynthesis of methyl mercaptan from dimethyl disulphideELF AQUITAINE·Filed 1994·Granted Feb 20, 1996·25 cites·13 claims
- 0379US5312993AProcess for the manufacture of dimethyl disulphideELF AQUITAINE·Filed 1992·Granted May 17, 1994·17 cites·9 claims
- 0478US4927972ACatalytic process for the production of mercaptans from thioethersELF AQUITAINE·Filed 1988·Granted May 22, 1990·14 cites·11 claims
- 0574US4565893AProcess of synthesis of mercaptans from olefins and hydrogen sulphide by heterogeneous catalysisELF AQUITAINE·Filed 1983·Granted Jan 21, 1986·13 cites·15 claims
- 0672US4443310APhotoinitiated synthesis of mercaptansELF AQUITAINE·Filed 1982·Granted Apr 17, 1984·11 cites·19 claims
- 0771US5442123AProcess for selectively preparing organic trisulfidesATOCHEM NORTH AMERICA ELF·Filed 1993·Granted Aug 15, 1995·12 cites·14 claims
- 0867US5767229AProcess for the preparation of organic disulphides and polysulphides in the presence of polystyrene-divinyl-benzene (PS-DVB) resins possessing guanidine or amidine groupsELF AQUITAINE·Filed 1996·Granted Jun 16, 1998·13 cites·27 claims
- 0963US6288006B1Method for pre-sulphurization of catalystsELF AQUITAINE EXPLORATION PROD·Filed 1998·Granted Sep 11, 2001·25 cites·18 claims
- 1062US4891445ASynthesis of tertiary mercaptans from isobutylene homopolymersELF AQUITAINE·Filed 1988·Granted Jan 2, 1990·6 cites·9 claims
- 1158US4507505AProduction of 2-mercapto ethanol-1ELF AQUITAINE·Filed 1983·Granted Mar 26, 1985·5 cites·8 claims
- 1254US4943662AProcess for preparation of dithiolsELF AQUITAINE·Filed 1988·Granted Jul 24, 1990·4 cites·20 claims
- 1353US5877349AProcess for the synthesis of 3-mercaptopropionic acidELF ACQUITAINE EXPLORATION PRO·Filed 1997·Granted Mar 2, 1999·5 cites·11 claims
- 1453US4985586AProcess for the preparation of mercaptoalcoholsELF AQUITAINE·Filed 1990·Granted Jan 15, 1991·6 cites·24 claims
- 1552US5817716AResins with a primary amine or guanidine functionELF AQUITAINE·Filed 1997·Granted Oct 6, 1998·8 cites·5 claims
- 1647US5786511AProcess for the preparation of organic disulphides and polysulphides in the presence of polystyrene-divinyl-benzene possessing primary amine groupsELF AQUITAINE·Filed 1996·Granted Jul 28, 1998·3 cites·15 claims
- 1743US5726253AProcess for the preparation of resins with a primary amine or guanidine function, and resins thus obtainedELF AQUITAINE·Filed 1996·Granted Mar 10, 1998·5 cites·5 claims
- 1840US5919971AProcess for the synthesis of 3-mercaptopropionic acid estersELF AQUITAINE EXPLORATION PROD·Filed 1997·Granted Jul 6, 1999·2 cites·11 claims
- 1928US5973080AProcess for the preparation of resins with a primary amine or guanidine function, and resins thus obtainedELF AQUITAINE·Filed 1998·Granted Oct 26, 1999·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →