Inventor · disambiguated record
Walter Dursch
Also filed as: DUERSCH WALTER · DURSCH WALTER · KLEINER HANS-JERG · LINKE FRITZ
24 granted patents·251 citations·filing 1975–1986
96Inventor score
Top patents by PatentIndex Score
24 records- 0193US4069245APreparation of phosphonic and/or phosphinic acidsHOECHST AG·Filed 1975·Granted Jan 17, 1978·32 cites·14 claims
- 0283US4388252AProcess for the manufacture of vinyl phosphonic acid derivativesHOECHST AG·Filed 1981·Granted Jun 14, 1983·14 cites·4 claims
- 0383US4267125AProcess for the manufacture of phosphinic and phosphonic acid anhydridesHOECHST AG·Filed 1980·Granted May 12, 1981·15 cites·1 claims
- 0482US4749758AProcess for the preparation of copolymers of vinylphosphonic acid and (meth) acrylic acid in aqueous solutionHOECHST AG·Filed 1986·Granted Jun 7, 1988·34 cites·7 claims
- 0578US4195035AAlkane-bisalkyl-phosphinic anhydrides and process for the manufacture of alkane-phosphonic anhydrides and alkane-bis alkyl-phosphinic anhydridesHOECHST AG·Filed 1979·Granted Mar 25, 1980·10 cites·3 claims
- 0674US4244893APolyphosphorus compounds obtained by reacting an alcohol, phosphorus anhydride and an oxalkylating agentHOECHST AG·Filed 1978·Granted Jan 13, 1981·9 cites·3 claims
- 0773US4743666AWater-soluble copolymers with pendant phosphonic, sulphonic and amide groupsCASSELLA FARBWERKE MAINKUR AG·Filed 1986·Granted May 10, 1988·17 cites·3 claims
- 0872US4493803AProcess for the preparation of vinylphosphonic acid diesters and vinylphosphonic acidHOECHST AG·Filed 1983·Granted Jan 15, 1985·8 cites·4 claims
- 0969US4696987AProcess for the preparation of polymers of vinylphosphonic acid in protic solventsHOECHST AG·Filed 1983·Granted Sep 29, 1987·15 cites·6 claims
- 1067US4284410AProcess for the pretreatment of cellulose fibers to be printed according to the thermotransfer printing methodHOECHST AG·Filed 1979·Granted Aug 18, 1981·7 cites·2 claims
- 1166US4250124AOrganic phosphorus compounds possessing 3-hydroxyalkylphosphinic acid ester groupsHOECHST AG·Filed 1979·Granted Feb 10, 1981·6 cites·2 claims
- 1264US4314052APolyester which is soluble or dispersible in water, a process for its preparation and its use as a levelling auxiliary, levelling auxiliaries and processes for uniform dyeingCASSELLA FARBWERKE MAINKUR AG·Filed 1980·Granted Feb 2, 1982·11 cites·15 claims
- 1354US4548762AProcess for the preparation of vinylphosphonic acid dichloride and 2-chloroethanephosphonic acid dichlorideHOECHST AG·Filed 1983·Granted Oct 22, 1985·3 cites·5 claims
- 1453US4426336AProcess for the preparation of vinylphosphonic acid derivatives and the use thereofHOECHST AG·Filed 1981·Granted Jan 17, 1984·3 cites·8 claims
- 1553US4016222AUnsaturated phosphorus compoundsHOECHST AG·Filed 1975·Granted Apr 5, 1977·7 cites·3 claims
- 1651US4096208APolyphosphinites and a process for their preparationHOECHST AG·Filed 1976·Granted Jun 20, 1978·8 cites·4 claims
- 1750US4401471AInorganic cellular material and process for the manufacture thereofHOECHST AG·Filed 1981·Granted Aug 30, 1983·11 cites·23 claims
- 1849US4585845APhosphonic acid cross-linked hydrophilic copolymersCASSELLA FARBWERKE MAINKUR AG·Filed 1984·Granted Apr 29, 1986·25 cites·7 claims
- 1948US4072776AProcess for the flameproofing of textile materialsHOECHST AG·Filed 1975·Granted Feb 7, 1978·9 cites·6 claims
- 2043US4196141ABisphosphinic acid anhydrides and process for their preparationHOECHST AG·Filed 1979·Granted Apr 1, 1980·1 cites·4 claims
- 2140US4220610AOrganic phosphorus compounds with 2-hydroxyalkyl-phosphonic acid groupsHOECHST AG·Filed 1979·Granted Sep 2, 1980·4 cites·3 claims
- 2235US4709086AProcess for the preparation of 4-benzyl aspartateHOECHST AG·Filed 1986·Granted Nov 24, 1987·1 cites·8 claims
- 2331US4163034APolyphosphinites and a process for their preparationHOECHST AG·Filed 1978·Granted Jul 31, 1979·1 cites·3 claims
- 2430US4173601ACarbamoyl-oxyalkyl-phosphinic acid derivativesHOECHST AG·Filed 1978·Granted Nov 6, 1979·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →