Ruediger J. Erckel

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Warren, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Polymers prepared from 4,4'-bis(2-[3,4(dicarboxyphenyl)hexafluorois...
- Patent number 5,055,550
- Issue date Oct 8, 1991
- Hoechst Celanese Corp.
- Werner H. Mueller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymers prepared from 4,4'-bis[2-(amino (halo) phenoxyphenyl) hexa...
- Patent number 5,037,949
- Issue date Aug 6, 1991
- Hoechst Celanese Corp.
- Werner H. Mueller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymers prepared from 4,4'-bis[2-(3,4-(dicarboxyphenyl)hexafluoroi...
- Patent number 4,931,540
- Issue date Jun 5, 1990
- Hoechst Celanese Corporation
- Werner H. Mueller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymers prepared from 4,4'-bis(2-(amino(halo) phenoxyphenyl) hexaf...
- Patent number 4,925,915
- Issue date May 15, 1990
- Hoechst Celanese Corp.
- Werner H. Mueller
- C07 - ORGANIC CHEMISTRY