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Patent applications and USPTO patent grants for Yeater; Robert P..The latest application filed is for "process for the production of rigid foams from alkaline polyether polyols".
Patent | Date |
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Process for the production of rigid foams from alkaline polyether polyols Grant 6,762,214 - Tracy , et al. July 13, 2 | 2004-07-13 |
Polyurethane encapsulated fertilizer having improved slow-release properties Grant 6,364,925 - Markusch , et al. April 2, 2 | 2002-04-02 |
Urea and biuret liquid prepolymers of MDI Grant 5,428,124 - Slack , et al. June 27, 1 | 1995-06-27 |
Polyether polyurethane prepolymers containing finely divided inorganic particles and cast elastomers made therefrom Grant 4,551,498 - Yeater , et al. November 5, 1 | 1985-11-05 |
Polyester polyols and mixtures made therefrom Grant 4,525,575 - Yeater June 25, 1 | 1985-06-25 |
Stabilized thermoplastic polyesterurethanes Grant RE30,721 - Heiss , et al. August 25, 1 | 1981-08-25 |
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