Inventor · disambiguated record
Siegmund Pohl
Also filed as: POHL SIEGMUND
7 granted patents·1 pending application·150 citations·filing 1993–2002
87Inventor score
Top patents by PatentIndex Score
8 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
- 0281US5504241ACarbodiimides 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
- 0380US5597942ACarbodiimides 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
- 0466US5654479A4-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
- 0565US6229043B1Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number and a reduced chlorine contentBASF CORP·Filed 1996·Granted May 8, 2001·10 cites·19 claims
- 0651US5532414A4-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
- 0741US5621138A4-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
- 0837US2004171869A1Method for producing mdi, especially 2,4'-mdiFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →