Inventor · disambiguated record
Hans-Samuel Bien
Also filed as: BIEN HANS-SAMUEL · EHRIG VOLKER · THELEN BERND
26 granted patents·129 citations·filing 1971–1980
95Inventor score
Files withBAYER AG26
Top patents by PatentIndex Score
26 records- 0195US4115378AWater soluble reactive axodyestuffs containing a fluorotriazinyl group attached via a nitrogen bridge to the dyestuff moleculeBAYER AG·Filed 1971·Granted Sep 19, 1978·29 cites·24 claims
- 0294US4007164AAzo dyestuffs containing 6-fluoro-pyrimidinyl 4-reactive groupBAYER AG·Filed 1971·Granted Feb 8, 1977·26 cites·10 claims
- 0387US4206306AReactive phthalocyanine dyestuffs containing a fluorotriazinyl group attached via a nitrogen bridge to the dyestuff moleculeBAYER AG·Filed 1978·Granted Jun 3, 1980·14 cites·1 claims
- 0484US4065446AReactive dyestuffs containing urea alkylene linkage between chromophore and reactive radicalBAYER AG·Filed 1972·Granted Dec 27, 1977·12 cites·14 claims
- 0578US4024144APolycyclic dyestuffsBAYER AG·Filed 1975·Granted May 17, 1977·9 cites·10 claims
- 0664US4036862A1-Amino-2-(bromophenoxy-alkoxy)-4-hydroxy anthraquinone dyestuffsBAYER AG·Filed 1975·Granted Jul 19, 1977·6 cites·4 claims
- 0761US3980677AAnthraquinone dyestuffs containing sulphonic acid groupsBAYER AG·Filed 1975·Granted Sep 14, 1976·5 cites·2 claims
- 0858US3932419AQuinophthalone dyestuffsBAYER AG·Filed 1973·Granted Jan 13, 1976·4 cites·3 claims
- 0955US4102924AProcess for the preparation of diaryl compoundsBAYER AG·Filed 1975·Granted Jul 25, 1978·3 cites·8 claims
- 1054US4101551AQuinophthalone dyestuffsBAYER AG·Filed 1976·Granted Jul 18, 1978·4 cites·9 claims
- 1150US4045457AAnthraquinone dyestuffsBAYER AG·Filed 1975·Granted Aug 30, 1977·3 cites·7 claims
- 1250US4041053AProcess for the preparation of anthraquinone compoundsBAYER AG·Filed 1976·Granted Aug 9, 1977·3 cites·5 claims
- 1346US4006171AProcess for the preparation of halogenoanthraquinonesBAYER AG·Filed 1975·Granted Feb 1, 1977·3 cites·13 claims
- 1445US3989450ANitroanthraquinonesBAYER AG·Filed 1974·Granted Nov 2, 1976·2 cites·14 claims
- 1540US4220779AProcess for the preparation of quinoline derivativesBAYER AG·Filed 1978·Granted Sep 2, 1980·1 cites·3 claims
- 1638US3971812AAnthraquinone dyestuffsBAYER AG·Filed 1972·Granted Jul 27, 1976·1 cites·5 claims
- 1733US4299966AProcess for the preparation of 4,4',7,7'-tetrachlorthioindigo in pigment formBAYER AG·Filed 1980·Granted Nov 10, 1981·1 cites·4 claims
- 1831US4104284ANitroanthraquinonesBAYER AG·Filed 1976·Granted Aug 1, 1978·0 cites·3 claims
- 1931US4056544AAnthraquinone compoundsBAYER AG·Filed 1974·Granted Nov 1, 1977·0 cites·5 claims
- 2030US4000167ANitroanthraquinonesBAYER AG·Filed 1974·Granted Dec 28, 1976·1 cites·5 claims
- 2129US3979413APolycyclic dyestuffsBAYER AG·Filed 1974·Granted Sep 7, 1976·0 cites·8 claims
- 2228US4162946AProcess for concentrating halogenoanthraquinonesBAYER AG·Filed 1977·Granted Jul 31, 1979·2 cites·20 claims
- 2327US3932473AProcess for the manufacture of 1-nitro-anthraquinoneBAYER AG·Filed 1973·Granted Jan 13, 1976·0 cites·4 claims
- 2426US4105662AAntraquinone dyestuffsBAYER AG·Filed 1977·Granted Aug 8, 1978·0 cites·4 claims
- 2524US4179450AProcess for the preparation of 1-acylamino-5(8)-chloroanthraquinonesBAYER AG·Filed 1977·Granted Dec 18, 1979·0 cites·10 claims
- 2623US4076736APreparation of aminoanthraquinones from nitroanthraquinonesBAYER AG·Filed 1976·Granted Feb 28, 1978·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Hans-Samuel Bien files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →