Hans-Samuel Bien

Person

Burscheid, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 4,4',7,7'-tetrachlorthioindigo in pi...
- Patent number 4,299,966
- Issue date Nov 10, 1981
- Bayer Aktiengesellschaft
- Hans-Samuel Bien
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of quinoline derivatives
- Patent number 4,220,779
- Issue date Sep 2, 1980
- Bayer Aktiengesellschaft
- Volker Ehrig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reactive phthalocyanine dyestuffs containing a fluorotriazinyl grou...
- Patent number 4,206,306
- Issue date Jun 3, 1980
- Bayer Aktiengesellschaft
- Hans-Samuel Bien
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of 1-acylamino-5(8)-chloroanthraquinones
- Patent number 4,179,450
- Issue date Dec 18, 1979
- Bayer Aktiengesellschaft
- Detlef-Ingo Schutze
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water soluble reactive axodyestuffs containing a fluorotriazinyl gr...
- Patent number 4,115,378
- Issue date Sep 19, 1978
- Bayer Aktiengesellschaft
- Hans-Samuel Bien
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Antraquinone dyestuffs
- Patent number 4,105,662
- Issue date Aug 8, 1978
- Bayer Aktiengesellschaft
- Klaus von Oertzen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Nitroanthraquinones
- Patent number 4,104,284
- Issue date Aug 1, 1978
- Bayer Aktiengesellschaft
- Walter Hohmann
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the preparation of diaryl compounds
- Patent number 4,102,924
- Issue date Jul 25, 1978
- Bayer Aktiengesellschaft
- Walter Kalk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinophthalone dyestuffs
- Patent number 4,101,551
- Issue date Jul 18, 1978
- Bayer Aktiengesellschaft
- Manfred Groll
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Hans-Samuel Bien

Person

Patents Grantslast 30 patents

Process for the preparation of 4,4',7,7'-tetrachlorthioindigo in pi...

Process for the preparation of quinoline derivatives

Reactive phthalocyanine dyestuffs containing a fluorotriazinyl grou...

Process for the preparation of 1-acylamino-5(8)-chloroanthraquinones

Water soluble reactive axodyestuffs containing a fluorotriazinyl gr...

Antraquinone dyestuffs

Nitroanthraquinones

Process for the preparation of diaryl compounds

Quinophthalone dyestuffs