Urban; Friedrich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Urban; Friedrich.The latest application filed is for "manufacture of ethylene polymers in a two-zone tubular reactor at pressure above 500 bars".
- Urban; Friedrich - Limburgerhof DT
- Urban; Friedrich - Neuhofen DT
- Urban; Friedrich - Frankenthal DT
- Urban; Friedrich - 6700 Limburgerhof DT
| Patent | Date |
|---|---|
| Manufacture of ethylene polymers in a two-zone tubular reactor at pressure above 500 bars Grant 4,076,919 - Urban , et al. February 28, 1 | 1978-02-28 |
| Process for the manufacture of graft polymers Grant 3,949,019 - Zeitler , et al. April 6, 1 | 1976-04-06 |
| Manufacture of particulate homopolymers or copolymers of ethylene Grant 3,941,760 - Herbeck , et al. March 2, 1 | 1976-03-02 |
| Production of mixtures of plastics materials Grant 3,937,772 - Urban , et al. February 10, 1 | 1976-02-10 |
| Catalyst System For The Polymerization Of Olefins Grant 3,773,688 - Trieschmann , et al. November 20, 1 | 1973-11-20 |
| Sealing Arrangement Grant 3,743,302 - Bach , et al. July 3, 1 | 1973-07-03 |
| Production Of Homopolymers Or Copolymers Of Ethylene Grant 3,714,135 - Pfannmueller , et al. January 30, 1 | 1973-01-30 |
| Production Of Polyethylene By The High Pressure Process Using A Mixture Of Tertiary Butyl Hydroperoxide And Oxygen As The Initiator Grant 3,691,145 - Gierth , et al. September 12, 1 | 1972-09-12 |
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