Edgar Fischer

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Frankfurt am Main, DT

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Patents Grantslast 30 patents

Information Patent Grant
Acetoacetic acid pentaerythrite phosphite ester
- Patent number 4,053,541
- Issue date Oct 11, 1977
- Hoechst Aktiengesellschaft
- Edgar Fischer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bromine containing telomeric phosphonic acid esters as flame retard...
- Patent number 4,010,225
- Issue date Mar 1, 1977
- Hoechst Aktiengesellschaft
- Siegfried Noetzel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing flame resistant plastics materials
- Patent number 3,991,010
- Issue date Nov 9, 1976
- Hoechst Aktiengesellschaft
- Siegfried Noetzel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bromine-containing cyclic phosphonic acid esters
- Patent number 3,966,849
- Issue date Jun 29, 1976
- Hoechst Aktiengesellschaft
- Siegfried Noetzel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bromine containing telomeric phosphonic acid esters
- Patent number 3,950,458
- Issue date Apr 13, 1976
- Hoechst Aktiengesellschaft
- Siegfried Noetzel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Plastics stabilized against ultraviolet radiation
- Patent number 3,931,104
- Issue date Jan 6, 1976
- Hoechst Aktiengesellschaft
- Walter Luders
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...