Inventor · disambiguated record
Hartwig Grammes
Also filed as: GRAMMES HARTWIG
9 granted patents·169 citations·filing 1984–2007
87Inventor score
Top patents by PatentIndex Score
9 records- 0194US5362834AGel compounds, their production and useBAYER AG·Filed 1992·Granted Nov 8, 1994·129 cites·11 claims
- 0273US6759363B2Activators for the production of polyurethane foamsBAYER AG·Filed 2001·Granted Jul 6, 2004·10 cites·7 claims
- 0366US7989516B2Plastic composite elements and a process for the production thereofBAYER MATERIALSCIENCE AG·Filed 2007·Granted Aug 2, 2011·1 cites·15 claims
- 0452US7273656B2Plastic composite elements and a process for the production thereofBAYER MATERIALSCIENCE AG·Filed 2004·Granted Sep 25, 2007·2 cites·3 claims
- 0552US5350781AProcess for the production of polyurethane foamsBAYER AG·Filed 1993·Granted Sep 27, 1994·10 cites·7 claims
- 0645US4546121AUse of polyhydroxyalkyl monoureas for polyurethane foams, dispersions of the polyhydroxyalkyl monoureas in polyols and new tris-hydroxyalkyl monoureasBAYER AG·Filed 1984·Granted Oct 8, 1985·9 cites·15 claims
- 0743US5342856AProcess for producing integral skin molded foamsBAYER AG·Filed 1992·Granted Aug 30, 1994·5 cites·8 claims
- 0830US5445879AProcess for the preparation of composite bodiesBAYER AG·Filed 1993·Granted Aug 29, 1995·2 cites·5 claims
- 0930US4540626APolyhydroxyalkyl polycarbonamides for the production of flame-resistant polyurethane rigid foams and integral foamsBAYER AG·Filed 1984·Granted Sep 10, 1985·1 cites·12 claims
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