Inventor · disambiguated record
Robert Leger
Also filed as: LEGER ROBERT · MALDONADO PAUL
13 granted patents·322 citations·filing 1977–2001
93Inventor score
Top patents by PatentIndex Score
13 records- 0193US5001202APolymers derived from unsaturated polyesters by addition of compounds with an amine function and their use as additives modifying the properties of petroleum middle distillates when coldINST FRANCAIS DU PETROLE·Filed 1989·Granted Mar 19, 1991·53 cites·15 claims
- 0291US4652273AHydrocarbon middle distillates composition containing nitrogen-containing additives for decreasing its cloud pointINST FRANCAIS DU PETROLE·Filed 1985·Granted Mar 24, 1987·49 cites·11 claims
- 0390US4731095ANitrogen containing copolymers useful as additives for lowering the cloud point of hydrocarbon middle distillates and compositions containing themINST FRANCAIS DU PETROLE·Filed 1985·Granted Mar 15, 1988·46 cites·27 claims
- 0488US4900332ANitrogenous copolymers, their preparation and use as additives for improving the pour properties of hydrocarbon middle distillatesINST FRANCAIS DU PETROLE·Filed 1988·Granted Feb 13, 1990·40 cites·17 claims
- 0587US4511369ACopolymers with nitrogen groups, useful as additives for decreasing the cloud point of hydrocarbon middle distillates and compositions containing themINST FRANCAIS DU PETROLE·Filed 1983·Granted Apr 16, 1985·41 cites·19 claims
- 0684US4154710AMethod of preparing novel bitumen compositionsELF UNION·Filed 1977·Granted May 15, 1979·34 cites·10 claims
- 0767US5106515APolymers derived from unsaturated polyesters by addition of compounds with an amine function and their use as additives modifying the properties of petroleum middle distillates when coldINST FRANCAIS DU PETROLE·Filed 1990·Granted Apr 21, 1992·17 cites·13 claims
- 0866US4374282AEthers of polyols, their preparation and useELF FRANCE·Filed 1980·Granted Feb 15, 1983·17 cites·9 claims
- 0958US5449386AAmine phosphates having a terminal cyclic imideINST FRANCAIS DU PETROLE·Filed 1993·Granted Sep 12, 1995·15 cites·23 claims
- 1048US6623536B1Multifunctional additive composition for cold process treatment of middle distillatesELF ANTAR FRANCE·Filed 2000·Granted Sep 23, 2003·1 cites·28 claims
- 1144US6860908B2Petroleum middle distillate composition containing a substance for limiting the paraffin sedimentation rateINST FRANCAIS DU PETROLE·Filed 2001·Granted Mar 1, 2005·0 cites·15 claims
- 1240US5725610AAdditive composition for cold operability of middle distillatesELF ANTAR FRANCE·Filed 1994·Granted Mar 10, 1998·7 cites·22 claims
- 1330US5655298AMethod for joining a tube and a plateGREENE MFG CO·Filed 1997·Granted Aug 12, 1997·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →