Werner Dietrich

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Cologne, DT

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane resins prepared from active hydrogen containing materi...
- Patent number 4,092,275
- Issue date May 30, 1978
- Bayer Aktiengesellschaft
- Artur Reischl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane foam plastics which contain ionic groups
- Patent number 3,988,268
- Issue date Oct 26, 1976
- Bayer Aktiengesellschaft
- Werner Dietrich
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of synthetic plastics comprising urethan...
- Patent number 3,969,262
- Issue date Jul 13, 1976
- Bayer Aktiengesellschaft
- Kuno Wagner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyisocyanates containing sulphonic acid or sulphonate groups
- Patent number 3,959,329
- Issue date May 25, 1976
- Bayer Aktiengesellschaft
- Dieter Dieterich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Urea diisocyanate compositions
- Patent number 3,943,158
- Issue date Mar 9, 1976
- Bayer Aktiengesellschaft
- Werner Dietrich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing polycarbodiimide foams in the presence of pho...
- Patent number 3,931,059
- Issue date Jan 6, 1976
- Bayer Aktiengesellschaft
- Andrea La Spina
- C07 - ORGANIC CHEMISTRY