Inventor · disambiguated record
Rudolf Fass
Also filed as: FASS RUDOLF
6 granted patents·117 citations·filing 1978–1988
85Inventor score
Technology areasC09B
Files withHOECHST AG6
Top patents by PatentIndex Score
6 records- 0194US4485041AWater-soluble metal free or copper triazino-bis-[hydroxy-naphthylamino]-disazo dyestuffs containing fiber reactive groups, and a process for dyeing or printing cellulose fibersHOECHST AG·Filed 1981·Granted Nov 27, 1984·33 cites·13 claims
- 0291US4323497AWater-soluble disazo dyestuffsHOECHST AG·Filed 1978·Granted Apr 6, 1982·22 cites·16 claims
- 0389US4622390AWater-soluble disazo compounds containing an amino naphthol-disulfonic acid moiety as a coupling component and fibre-reactive groupsHOECHST AG·Filed 1985·Granted Nov 11, 1986·30 cites·13 claims
- 0480US4378312AWater-soluble azo dyestuffsHOECHST AG·Filed 1980·Granted Mar 29, 1983·14 cites·16 claims
- 0578US4730038AWater-soluble disazo compounds of 1-amino-8-naphthal-3,6- or 4,6-disulfonic acid as bivalent coupling component, containing fiber-reactive groups suitable as dyestuffsHOECHST AG·Filed 1985·Granted Mar 8, 1988·14 cites·9 claims
- 0651US4916215AWater-soluble disazo compounds containing substituted triazinyl radical, pyrazole-type groups, and a plurality of fiber-reactive sulfone-containing groups, suitable as dyestuffsHOECHST AG·Filed 1988·Granted Apr 10, 1990·4 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Rudolf Fass 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 →