Kirch; William
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kirch; William.The latest application filed is for "copolymerization of ethylene".
- Kirch; William - Clinton IA
| Patent | Date |
|---|---|
| Copolymerization of ethylene Grant 4,558,105 - Carrick , et al. December 10, 1 | 1985-12-10 |
| Method of making and recovering olefin polymer particles Grant 4,395,523 - Kirch July 26, 1 | 1983-07-26 |
| Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts Grant 4,246,137 - Dombro , et al. January 20, 1 | 1981-01-20 |
| Polymerization process Grant 4,224,428 - Kirch , et al. September 23, 1 | 1980-09-23 |
| Manufacture and recovery of olefin polymer particles Grant 4,199,546 - Kirch April 22, 1 | 1980-04-22 |
| Catalyst and process of preparing the catalyst Grant 4,184,979 - Kirch , et al. January 22, 1 | 1980-01-22 |
| Silica xerogels Grant 4,053,565 - Krekeler , et al. October 11, 1 | 1977-10-11 |
| Olefin polymerization process Grant 3,960,826 - Aboutboul , et al. June 1, 1 | 1976-06-01 |
| Preparation Of Silica Gels Grant 3,794,713 - Aboutboul , et al. * February 26, 1 | 1974-02-26 |
| Preparation Of Silica Gels Grant 3,652,214 - Aboutboul , et al. March 28, 1 | 1972-03-28 |
| Preparation Of Silica Gels Grant 3,652,215 - Aboutboul , et al. March 28, 1 | 1972-03-28 |
| Preparation Of Silica Gels Grant 3,652,216 - Krekeler , et al. March 28, 1 | 1972-03-28 |
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