Hugo Obermann

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Dormagen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of polycarbonate agglomerate
- Patent number 5,852,157
- Issue date Dec 22, 1998
- Bayer Aktiengesellschaft
- Gottfried Zaby
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the isolation of partially crystalline polycarbonate po...
- Patent number 5,830,977
- Issue date Nov 3, 1998
- Bayer Aktiengesellschaft
- Claus Wulff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for drying polymeric powders and polymeric agglomerates
- Patent number 5,786,445
- Issue date Jul 28, 1998
- Bayer Aktiengesellschaft
- Claus Wulff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing thermoplastic granulated polymer material fro...
- Patent number 5,684,087
- Issue date Nov 4, 1997
- Bayer Aktiengesellschaft
- Claus Wulff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Use of salts in combination with halogenated phthalimides for flame...
- Patent number 5,326,800
- Issue date Jul 5, 1994
- Bayer Aktiengesellschaft
- Klaus Horn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Flame-retardant polycarbonate molding compounds with anti-electrost...
- Publication number 20020177643
- Publication date Nov 28, 2002
- Martin Dobler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...