Inventor · disambiguated record
Hasso Hertel
Also filed as: CURTIUS HORST · FREY PETER · HERTEL HASSO
19 granted patents·42 citations·filing 1973–1988
92Inventor score
Top patents by PatentIndex Score
19 records- 0154US3961884AProcess for dyeing textile material of polyester fiber/cellulose blendsHOECHST AG·Filed 1974·Granted Jun 8, 1976·7 cites·8 claims
- 0249US4082503AProcess for the production of water-insoluble azo dyestuffs on the fiberHOECHST AG·Filed 1976·Granted Apr 4, 1978·3 cites·1 claims
- 0347US3961886AProcess for the dyeing and printing of cellulose-containing textile materialsHOECHST AG·Filed 1974·Granted Jun 8, 1976·5 cites·1 claims
- 0445US4035144ADyeing preparations containing boric acid for preparing water-insoluble azo dyestuffs on fiberHOECHST AG·Filed 1975·Granted Jul 12, 1977·2 cites·4 claims
- 0543US4368054ACompositions of nitro-anilines for producing azo dyes on fibersHOECHST AG·Filed 1982·Granted Jan 11, 1983·2 cites·8 claims
- 0640US4078887AConcentrated stable solutions of coupling components for the ice color dyeing, their preparation and useHOECHST AG·Filed 1976·Granted Mar 14, 1978·2 cites·14 claims
- 0739US4306876AAqueous dispersions of primary aromatic amines, their use for the production of water-insoluble azo dyes on the fiber and the use of an anionic surfactant for the manufacture of said dispersionsHOECHST AG·Filed 1980·Granted Dec 22, 1981·3 cites·12 claims
- 0839US4094637AProcess for the printing with developing dyesHOECHST AG·Filed 1975·Granted Jun 13, 1978·6 cites·10 claims
- 0938US4599450AProcess for the preparation of acid nitro dyestuffsHOECHST AG·Filed 1984·Granted Jul 8, 1986·1 cites·20 claims
- 1035US3990985AStable and storable aqueous dispersions of primary aromatic amines, their preparation and useHOECHST AG·Filed 1974·Granted Nov 9, 1976·1 cites·7 claims
- 1134US4331443AConcentrated solutions of water-insoluble coupling componentsHOECHST AG·Filed 1980·Granted May 25, 1982·3 cites·8 claims
- 1234US4224027AProcess for the production of water-insoluble azo dyestuffs on the fiber with polyphosphateHOECHST AG·Filed 1979·Granted Sep 23, 1980·2 cites·2 claims
- 1334US4195973AProcess for printing with developing dyes which employs having ether substituents derived from glycols, polyglycols, or alkoxy derivatives thereofHOECHST AG·Filed 1978·Granted Apr 1, 1980·1 cites·5 claims
- 1432US3961887AProcess for the printing of cellulose containing textile materialHOECHST AG·Filed 1973·Granted Jun 8, 1976·3 cites·4 claims
- 1531US4591359AProcess for preparing acid nitro dyestuffs for leatherHOECHST AG·Filed 1984·Granted May 27, 1986·0 cites·18 claims
- 1630US4987221ABisdiazonium salts of 4,4'-diamino-3,3'-dialkoxybiphenyls and a process for their preparationHOECHST AG·Filed 1986·Granted Jan 22, 1991·0 cites·5 claims
- 1730US4696675AProcess for preparing water-insoluble blue azo dyes on the fiber: hydroxynaphthoic amide and diazotized di-alkoxy-benzidineHOECHST AG·Filed 1986·Granted Sep 29, 1987·1 cites·22 claims
- 1830US4183727AProcess for the production of water-insoluble azo dyestuffs on the fiberHOECHST AG·Filed 1978·Granted Jan 15, 1980·0 cites·2 claims
- 1923US4906250AProcess for the preparation of water-insoluble azo dyes on the fiber: impregnating with coupling component and treating with diazonium salt of 4-chloro-2,5-dialkoxy anilineHERTEL HASSO·Filed 1988·Granted Mar 6, 1990·0 cites·9 claims
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