Inventor · disambiguated record
Konrad Opitz
Also filed as: OPITZ KONRAD
21 granted patents·200 citations·filing 1975–1991
95Inventor score
Top patents by PatentIndex Score
21 records- 0192US4072463ALiquid preparations of reactive dyestuffsHOECHST AG·Filed 1975·Granted Feb 7, 1978·25 cites·7 claims
- 0291US4149850ALiquid preparations of reactive dyestuffsHOECHST AG·Filed 1978·Granted Apr 17, 1979·21 cites·4 claims
- 0389US4589885ALiquid reactive dyestuff formulations and their useHOECHST AG·Filed 1984·Granted May 20, 1986·20 cites·4 claims
- 0482US4118184AStable liquid aqueous composition of a water-soluble fiber-reactive azo dyestuff, containing a buffer substance, the dyestuff having been prepared by diazotization with a nitrite and coupling in the absence of acidHOECHST AG·Filed 1977·Granted Oct 3, 1978·12 cites·5 claims
- 0579US4078884ALiquid preparations of reactive dyestuffsHOECHST AG·Filed 1975·Granted Mar 14, 1978·10 cites·2 claims
- 0678US4443224ALiquid reactive dyestuff preparations and their useHOECHST AG·Filed 1982·Granted Apr 17, 1984·12 cites·8 claims
- 0778US4078885AStable liquid water-containing dyeing compositions containing disperse and reactive dyestuffs and their use for dyeing or printing mixed fibre materialsHOECHST AG·Filed 1976·Granted Mar 14, 1978·16 cites·2 claims
- 0876US4319880AMonoazo dyestuff being stable under dyeing conditions; its manufacture and its useHOECHST AG·Filed 1980·Granted Mar 16, 1982·11 cites·1 claims
- 0970US4286960ADyestuff compositions containing acylated alkoxylates of polyhydric aliphatic alcoholsHOECHST AG·Filed 1980·Granted Sep 1, 1981·13 cites·13 claims
- 1068US4581036AProcess for preparing liquid low-salt aqueous reactive dyestuff compositionsHOECHST AG·Filed 1985·Granted Apr 8, 1986·13 cites·13 claims
- 1168US4113429APreparation of a disperse dyestuff containing a phosphoric acid ester, having improved safety properties and higher dyestuff yield when dyed on synthetic materialsHOECHST AG·Filed 1976·Granted Sep 12, 1978·7 cites·1 claims
- 1260US5011917AProcess for preparing a stabilized composition of a lithium azo compoundHOECHST AG·Filed 1989·Granted Apr 30, 1991·5 cites·8 claims
- 1353US4336025AComposition containing colorants and esterified oxalkylates of aromatic hydroxy compoundsHOECHST AG·Filed 1981·Granted Jun 22, 1982·4 cites·9 claims
- 1451US4585459AProcess for preparing liquid low-salt aqueous reactive dyestuff compositionsHOECHST AG·Filed 1985·Granted Apr 29, 1986·4 cites·11 claims
- 1550US4145182AProcess for the preparation of disperse dyes having good printing properties for transfer printingHOECHST AG·Filed 1978·Granted Mar 20, 1979·4 cites·10 claims
- 1649US4389213AUse of esterified oxalkylates as formulation agents for dyestuffs and corresponding dyestuff preparationsHOECHST AG·Filed 1982·Granted Jun 21, 1983·10 cites·10 claims
- 1747US5366512ALow-dust or dust-free dye preparationsHOECHST AG·Filed 1991·Granted Nov 22, 1994·4 cites·12 claims
- 1840US4333732ADyestuff preparations containing oxalkylates of modified natural rosin acidsHOECHST AG·Filed 1979·Granted Jun 8, 1982·5 cites·15 claims
- 1939US4420310AUse of oxyalkylated novolaks as preparation agents for disperse dyestuffs and preparations made with said agentsHOECHST AG·Filed 1980·Granted Dec 13, 1983·4 cites·13 claims
- 2032US5037962Aβ-modification of 1-(2,4-dinitro-6-chloro-phenylazo)-2-propionylamino-4-N-ethylamino-5-(2-methoxy-ethoxy)benzene, its preparation and its useCASSELLA AG·Filed 1989·Granted Aug 6, 1991·0 cites·1 claims
- 2132US4939242AProcess for the preparation of the lithium salt of a fiber-reactive azo dyestuffHOECHST AG·Filed 1988·Granted Jul 3, 1990·0 cites·11 claims
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