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Reiner Hess
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Wiesbaden, DE
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last 30 patents
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Patent Grant
Wholly aromatic polyamide from alkylsulfonyl aromatic diamine
Patent number
5,128,440
Issue date
Jul 7, 1992
Hoechst Aktiengesellschaft
Gunter Keil
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for the preparation of alkyl nitrobenzoates
Patent number
5,087,725
Issue date
Feb 11, 1992
Hoechst Aktiengesellschaft
Theodor Papenfuhs
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermoplastically processible aromatic polyetheramide from 2,2-bis(...
Patent number
5,039,779
Issue date
Aug 13, 1991
Hoechst Aktiengesellschaft
Harald Cherdron
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Aromatic copolyether amide which can be processed as a thermoplasti...
Patent number
4,966,955
Issue date
Oct 30, 1990
Hoechst Aktiengesellschaft
Harald Cherdron
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...