Inventor · disambiguated record
Richard A. Kretchmer
Also filed as: KRETCHMER RICHARD A · KRETCHMER RICHARD ALLAN
9 granted patents·307 citations·filing 1975–2002
91Inventor score
Files withAMOCO CORP3STANDARD OIL CO INDIANA3BP AMOCO CORP1BP CORP NORTH AMERICA INC1KRETCHMER RICHARD ALLAN1
Top patents by PatentIndex Score
9 records- 0190US4692318AProcess for simultaneously removing nitrogen oxides, sulfur oxides, and particulatesAMOCO CORP·Filed 1986·Granted Sep 8, 1987·84 cites·11 claims
- 0289US4609537AProcess for simultaneously removing nitrogen oxides, sulfur oxides, and particulatesSTANDARD OIL CO INDIANA·Filed 1984·Granted Sep 2, 1986·69 cites·31 claims
- 0380US5687565AControl of exhaust emissions from an internal combustion engineAMOCO CORP·Filed 1995·Granted Nov 18, 1997·48 cites·23 claims
- 0472US5916129AControl of exhaust emissions from an internal combustion engineBP AMOCO CORP·Filed 1997·Granted Jun 29, 1999·38 cites·22 claims
- 0568US4025537APreparation of 3-carboalkoxy or 3-alkanoyl furansKRETCHMER RICHARD ALLAN·Filed 1975·Granted May 24, 1977·7 cites·7 claims
- 0667US4617175ANitrogen oxide, sulfur oxide, and particulate removal systemSTANDARD OIL CO INDIANA·Filed 1984·Granted Oct 14, 1986·26 cites·26 claims
- 0755US4612177ARemoval of sulfur oxides and particulates with copper-containing absorbersSTANDARD OIL CO INDIANA·Filed 1984·Granted Sep 16, 1986·17 cites·13 claims
- 0847US7557255B2Method and an unleaded low emission gasoline for fueling an automotive engine with reduced emissionsBP CORP NORTH AMERICA INC·Filed 2002·Granted Jul 7, 2009·6 cites·27 claims
- 0946US4612265AStabilization of sulfur dioxide solutions containing lithium perchlorate and a tetraalkylammonium perchlorateAMOCO CORP·Filed 1985·Granted Sep 16, 1986·12 cites·20 claims
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