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Patent applications and USPTO patent grants for Oertel; Gunter.The latest application filed is for "process for the production of polyurethane foams using sterically hindered aromatic diamines".
Patent | Date |
---|---|
Process for the production of polyurethane foams using sterically hindered aromatic diamines Grant 4,945,120 - Kopp , et al. July 31, 1 | 1990-07-31 |
Process for the production of cold setting foams which contain urethane groups prepared from a mixture of 4,4-diphenyl methane diisocyanate and 2,4-diphenyl methane diisocyanate Grant 4,256,849 - Ick , et al. March 17, 1 | 1981-03-17 |
Silyl Substituted Urea Derivatives And A Process For Their Preparation Grant 3,856,756 - Wagner , et al. December 24, 1 | 1974-12-24 |
Preparation Of W-amino-alkane Phosphonic And Phosphinic Acid Derivatives Grant 3,812,221 - Braden , et al. May 21, 1 | 1974-05-21 |
Silyl-substituted Urea Derivatives Grant 3,676,478 - Golitz , et al. July 11, 1 | 1972-07-11 |
Polymers Which Contain Polyamide, Urea And/or Urethane Groups And Process For Preparing Same Grant 3,666,726 - Grogler , et al. May 30, 1 | 1972-05-30 |
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