Inventor · disambiguated record
Friedhelm Lehrich
Also filed as: LEHRICH FRIEDHELM
12 granted patents·293 citations·filing 1992–1997
93Inventor score
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12 records- 0190US5498747ACarbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis (1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizersBASF AG·Filed 1995·Granted Mar 12, 1996·56 cites·4 claims
- 0289US5837760ASelf-extinguishing thermoplastic polyurethanes and their preparationELASTOGRAN GMBH·Filed 1997·Granted Nov 17, 1998·63 cites·16 claims
- 0381US5504241ACarbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis(1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizersBASF AG·Filed 1995·Granted Apr 2, 1996·31 cites·9 claims
- 0480US5597942ACarbodiimides and/or oligomeric polycarbodiimides based on 1 3-bis (1-methyl-1-isocyanatoethyl) benzene their use as hydrolysis stabilizersBASF AG·Filed 1996·Granted Jan 28, 1997·35 cites·2 claims
- 0576US5162387APreparation of polyurethane elastomers, and mixtures suitable for this purpose comprising polyoxybutylene-polyoxyalkylene glycols and glycidyl compoundsBASF AG·Filed 1992·Granted Nov 10, 1992·23 cites·10 claims
- 0669US5246993AOligomeric carbodiimidesBASF AG·Filed 1992·Granted Sep 21, 1993·19 cites·30 claims
- 0766US5859146AImpact-resistant thermoplastic molding materialsBASF AG·Filed 1996·Granted Jan 12, 1999·24 cites·2 claims
- 0866US5654479A4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparationBASF AG·Filed 1996·Granted Aug 5, 1997·7 cites·2 claims
- 0961US5834542AImpact-resistant thermoplastic molding materialsBASF AG·Filed 1995·Granted Nov 10, 1998·20 cites·7 claims
- 1051US5532414A4-substituted bis(2,6-diisopropylphenyl)-carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparationBASF AG·Filed 1993·Granted Jul 2, 1996·5 cites·2 claims
- 1141US5621138A4-substituted bis (2,6-diisopropylphenyl)- carbodiimides, their preparation, their use, and 4-substituted 2,6-diisopropylphenyl isocyanates which can be used for their preparationBASF AG·Filed 1996·Granted Apr 15, 1997·6 cites·1 claims
- 1230US5484827AUV-stabilizer concentrates based on TPU, a process for their production and utilizationBASF ELASTOGRAN GMBH·Filed 1994·Granted Jan 16, 1996·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →