Inventor · disambiguated record
Rolf Drewes
Also filed as: DREWES ROLF
16 granted patents·1 pending application·414 citations·filing 1991–2003
95Inventor score
Files withCIBA GEIGY CORP7WITCO VINYL ADDITIVES GMBH5CIBA SC HOLDING AG2CIBA SPECIALITY CHEMICALS CORP1CROMPTON VINYL ADDITIVES GMBH1
Top patents by PatentIndex Score
17 records- 0191US5925696AStabilizer combinations for chlorine-containing polymersCIBA SPECIALITY CHEMICALS CORP·Filed 1996·Granted Jul 20, 1999·54 cites·12 claims
- 0290US6194494B1Stabiliser combinations for chlorine-containing polymersWITCO VINYL ADDITIVES GMBH·Filed 1998·Granted Feb 27, 2001·51 cites·12 claims
- 0389US5344992AProcess for the preparation of linear 1,3-diketonesCIBA GEIGY CORP·Filed 1993·Granted Sep 6, 1994·42 cites·9 claims
- 0488US5519077AStabilized polyvinyl chlorideCIBA GEIGY CORP·Filed 1995·Granted May 21, 1996·53 cites·12 claims
- 0580US6531533B1Stabilized halogen-containing polymersCROMPTON VINYL ADDITIVES GMBH·Filed 1997·Granted Mar 11, 2003·36 cites·14 claims
- 0677US5543449AStabilized flexible PVCCIBA GEIGY CORP·Filed 1995·Granted Aug 6, 1996·30 cites·16 claims
- 0775US5859100ARigid PVC stabilised with N,N-dimethyl-6-aminouracilsCIBA SC HOLDING AG·Filed 1997·Granted Jan 12, 1999·32 cites·10 claims
- 0875US5492949AStabilized polyvinyl chlorideCIBA GEIGY CORP·Filed 1994·Granted Feb 20, 1996·20 cites·17 claims
- 0974US6174941B1NH2-modified 6-aminouracils as stabilizers for halogenated polymersWITCO VINYL ADDITIVES GMBH·Filed 1999·Granted Jan 16, 2001·25 cites·24 claims
- 1074US5534566AStabilized halogen-containing polymersCIBA GEIGY CORP·Filed 1995·Granted Jul 9, 1996·27 cites·15 claims
- 1164US5770643APyrrolodiazine derivatives as stabilizers for chlorine-containing polymersCIBA SC HOLDING AG·Filed 1996·Granted Jun 23, 1998·10 cites·14 claims
- 1255US5985964AStabilized polyvinyl chloride containing recycled materialWITCO VINYL ADDITIVES GMBH·Filed 1996·Granted Nov 16, 1999·11 cites·2 claims
- 1350US6310128B1Halogen-containing polymers provided with an antistatic agentWITCO VINYL ADDITIVES GMBH·Filed 1996·Granted Oct 30, 2001·10 cites·16 claims
- 1450US6002004APyrrolodiazine derivatives as stabilizers for chilorine-containing polymersWITCO VINYL ADDITIVES GMBH·Filed 1998·Granted Dec 14, 1999·4 cites·4 claims
- 1549US5288776ASubstituted pyrroles as stabilisers for chlorinated polymersCIBA GEIGY CORP·Filed 1991·Granted Feb 22, 1994·7 cites·13 claims
- 1642US5322964AProcess for the preparation of alpha-aminoketone saltsCIBA GEIGY CORP·Filed 1993·Granted Jun 21, 1994·2 cites·13 claims
- 1737US2006138391A1Flame retardant composition comprising a phosphonic acid metal salt and a nitrogen containing compoundDREWES ROLF·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →