Inventor · disambiguated record
Heinz U. Blank
Also filed as: BLANK HEINZ · BLANK HEINZ U · BLANK HEINZ-ULRICH
96 granted patents·549 citations·filing 1975–1997
99Inventor score
Top patents by PatentIndex Score
96 records- 0195US4873026AProcess for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acidBAYER AG·Filed 1988·Granted Oct 10, 1989·57 cites·7 claims
- 0291US4496736AProcess for the preparation of carboxylic acids and N-tert.-alkylaminesBAYER AG·Filed 1982·Granted Jan 29, 1985·26 cites·19 claims
- 0387US4622429AProcess for the preparation of substituted benzaldehydesBAYER AG·Filed 1984·Granted Nov 11, 1986·23 cites·11 claims
- 0487US4495369AProcess for the preparation of neopentylamineBAYER AG·Filed 1981·Granted Jan 22, 1985·26 cites·11 claims
- 0585US4582849AFungicidal N-substituted maleic acid imidesBAYER AG·Filed 1983·Granted Apr 15, 1986·18 cites·10 claims
- 0684US5032687AProcess for the preparation of cyclopropylamineKERNFORSCHUNGSANLAGE JUELICH·Filed 1989·Granted Jul 16, 1991·19 cites·6 claims
- 0782US5030747AProcess for the preparation of μ-amino-acrylic acid estersBAYER AG·Filed 1990·Granted Jul 9, 1991·28 cites·20 claims
- 0881US5235087AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1991·Granted Aug 10, 1993·21 cites·20 claims
- 0978US4567004AProcess for the preparation of monomethyl-substituted methylene compoundsBAYER AG·Filed 1984·Granted Jan 28, 1986·13 cites·23 claims
- 1075US5648565AProcess for the adiabatic preparation of mononitrotoluenesBAYER AG·Filed 1996·Granted Jul 15, 1997·16 cites·20 claims
- 1173US4447368AProcess for the preparation of aminoarylsulphonic acids in sulfolene solventSIEMENS ALLIS INC·Filed 1982·Granted May 8, 1984·11 cites·19 claims
- 1272US4973758AProcess for the preparation of 1,5-dihydroxynaphthalene and 1,5-diaminonaphthaleneBAYER AG·Filed 1989·Granted Nov 27, 1990·11 cites·6 claims
- 1372US4880576AAcid halides, a process for their preparationBAYER AG·Filed 1986·Granted Nov 14, 1989·14 cites·12 claims
- 1471US4315094APreparation of 4-amino-6-tert.-butyl-3-alkylthio-1,2,4-triazin-5(4H)-oneBAYER AG·Filed 1981·Granted Feb 9, 1982·10 cites·24 claims
- 1570US4328340APreparation of 4-amino-6-tert.-butyl-3-alkylthio-1,2,4-triazin-5-(4H)-onesBAYER AG·Filed 1981·Granted May 4, 1982·7 cites·20 claims
- 1669US4026944AProcess for manufacturing diaminonaphthaleneBAYER AG·Filed 1975·Granted May 31, 1977·8 cites·16 claims
- 1767US5081288AProcess for the preparation of substituted 3,5-dichloro-2,4-difluoro-benzenesBAYER AG·Filed 1990·Granted Jan 14, 1992·10 cites·10 claims
- 1866US4435336AProcess for the preparation of aromatic aminosulphonic acidsBAYER AG·Filed 1982·Granted Mar 6, 1984·8 cites·17 claims
- 1964US4668788A5,5-dichloro-4,5-dihydro-6-hydroxy-2-trichloromethylpyrimidin-4-oneBAYER AG·Filed 1985·Granted May 26, 1987·6 cites·1 claims
- 2064US4105692AProcess for the preparation of benzenesulphonyl chlorideBAYER AG·Filed 1977·Granted Aug 8, 1978·5 cites·18 claims
- 2163US5082976AProcess for the preparation of benzaldehydesBAYER AG·Filed 1990·Granted Jan 21, 1992·8 cites·17 claims
- 2262US5714647AProcess for the adiabatic preparation of mononitrohalogenobenzenesBAYER AG·Filed 1997·Granted Feb 3, 1998·8 cites·20 claims
- 2362US5545754AProcess for the preparation of p-amino-phenolsBAYER AG·Filed 1991·Granted Aug 13, 1996·7 cites·1 claims
- 2462US4769454AProcess for the preparation of N-methylol-caprolactamBAYER AG·Filed 1988·Granted Sep 6, 1988·5 cites·20 claims
- 2562US4534905AProcess for the preparation of nitronaphthalene-sulphonic acidsBAYER AG·Filed 1981·Granted Aug 13, 1985·7 cites·9 claims
- 2661US4382039AProcess for the preparation of 4-nitrotoluene-2-sulphonic acidBAYER AG·Filed 1982·Granted May 3, 1983·7 cites·11 claims
- 2758US5288894AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1992·Granted Feb 22, 1994·6 cites·18 claims
- 2858US5072053A1,3-di-arylmethoxy-4,6-dinitro-benzenes, process for their preparation and process for the preparation of 4,6-diaminoresorcinolBAYER AG·Filed 1990·Granted Dec 10, 1991·6 cites·3 claims
- 2957US5446192AProcess for the preparation of β- aminoacrylic acid estersBAYER AG·Filed 1993·Granted Aug 29, 1995·6 cites·18 claims
- 3056US4910345AProcess for the purification of nitrobenzaldenhydeBAYER AG·Filed 1988·Granted Mar 20, 1990·5 cites·19 claims
- 3156US4349471AProcess for the preparation of aromatic sulphonic acid halidesBAYER AG·Filed 1981·Granted Sep 14, 1982·5 cites·19 claims
- 3255US5304680AProcess for the preparation of aromatic amines which are substituted by C1 -C4 -alkoxy in the p-positionBAYER AG·Filed 1991·Granted Apr 19, 1994·5 cites·14 claims
- 3355US5302742AProcess for the preparation of N-acylated p-amino-phenolsBAYER AG·Filed 1993·Granted Apr 12, 1994·5 cites·20 claims
- 3454US5068428AProcess for the preparation of cyclopropanecarboxamideBAYER AG·Filed 1990·Granted Nov 26, 1991·5 cites·6 claims
- 3554US4345100APreparation of α-ketocarboxylic acid N-tert.-butylamidesBAYER AG·Filed 1981·Granted Aug 17, 1982·3 cites·10 claims
- 3653US4835243AThermotropic aromatic polymers with high elongation at break, processes for their preparation and their use for the production of moulded articles, filaments, fibres and filmsECKHARDT VOLKER·Filed 1988·Granted May 30, 1989·10 cites·7 claims
- 3753US4609756AProcess for the preparation of optionally substituted cinnamic acid in the presence of a catalystBAYER AG·Filed 1985·Granted Sep 2, 1986·5 cites·11 claims
- 3853US4215071AProcess for the preparation of sulphonic acid chloridesBAYER AG·Filed 1978·Granted Jul 29, 1980·3 cites·5 claims
- 3952US5231213AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1992·Granted Jul 27, 1993·10 cites·17 claims
- 4052US4795596A1-Aminomethylnaphthalene-6-sulphonic acid, its preparation and its useBAYER AG·Filed 1987·Granted Jan 3, 1989·3 cites·1 claims
- 4152US4348336AProcess for the isolation of 1-naphthylamine-4,6- and 1-naphthylamine-4,7-disulphonic acidBAYER AG·Filed 1981·Granted Sep 7, 1982·4 cites·4 claims
- 4252US4246279ANovel dichloromaleic acid diamide derivatives and their use as fungicidesBAYER AG·Filed 1979·Granted Jan 20, 1981·2 cites·8 claims
- 4352US4166070AProcess for the preparation of sulfonic acid chloridesBAYER AG·Filed 1977·Granted Aug 28, 1979·3 cites·23 claims
- 4451US4594427APreparation of novel 5-acyloxy-4-(5H)-oxazolonium salts suited for use as intermediates for triazinone herbicidesBAYER AG·Filed 1982·Granted Jun 10, 1986·2 cites·4 claims
- 4550US4739104AProcess for the preparation of pivaloylpyruvic acid estersBAYER AG·Filed 1983·Granted Apr 19, 1988·3 cites·6 claims
- 4649US4868347AProcess for obtaining substituted fluorobenzenesBAYER AG·Filed 1987·Granted Sep 19, 1989·3 cites·16 claims
- 4749US4370498APreparation of α-ketocarboxylic acid N-acylamidesBAYER AG·Filed 1981·Granted Jan 25, 1983·2 cites·15 claims
- 4849US4369143AProcess for the preparation of naphthalene-1,3,5-trisulphonic acidBAYER AG·Filed 1981·Granted Jan 18, 1983·3 cites·9 claims
- 4948US4968835AProcess for the preparation of aminoaryl-sulphonic acidsBAYER AG·Filed 1989·Granted Nov 6, 1990·3 cites·14 claims
- 5048US4359426AProcess for the production of aromatic isocyanates containing aromatically bound sulfochloride groupsBAYER AG·Filed 1981·Granted Nov 16, 1982·3 cites·5 claims
Showing the top 50 of 96 patent records by PatentIndex Score.
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