Inventor · disambiguated record
Hans-Dieter Block
Also filed as: BLOCK HANS-DIETER
63 granted patents·5 pending applications·1,043 citations·filing 1975–2003
99Inventor score
Top patents by PatentIndex Score
68 records- 0198US4294719APolyisocyanates which contain carbodiimide groups and which are stable in storageBAYER AG·Filed 1977·Granted Oct 13, 1981·81 cites·19 claims
- 0296US4344855AProcess for the production of polyisocyanates which contain carbodiimide groups and which are stable in storageBAYER AG·Filed 1976·Granted Aug 17, 1982·80 cites·10 claims
- 0396US4331614AAromatic polyphosphonates and a process for their productionBAYER AG·Filed 1980·Granted May 25, 1982·76 cites·2 claims
- 0495US4415719AThermoplastic, branched aromatic polyphosphonates, and a process for their productionBAYER AG·Filed 1981·Granted Nov 15, 1983·66 cites·9 claims
- 0592US4377537APreparation of alkane phosphonic and phosphinic acid aryl estersBAYER AG·Filed 1981·Granted Mar 22, 1983·38 cites·2 claims
- 0691US5216113AHighly branched polyphosphonatesBAYER AG·Filed 1990·Granted Jun 1, 1993·66 cites·5 claims
- 0784US6887448B2Method for production of high purity siliconSOLARWORLD AG·Filed 2001·Granted May 3, 2005·44 cites·23 claims
- 0884US5964693AContinuous preparation of silica sols which contain large particlesBAYER AG·Filed 1993·Granted Oct 12, 1999·48 cites·1 claims
- 0984US5414102AFluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids containing acrylate and/or methacrylate groupsBAYER AG·Filed 1993·Granted May 9, 1995·27 cites·6 claims
- 1083US6852301B2Method for producing silaneSOLARWORLD AG·Filed 2001·Granted Feb 8, 2005·27 cites·11 claims
- 1181US6942844B2Method and facility for producing silaneSOLARWORLD AG·Filed 2001·Granted Sep 13, 2005·27 cites·19 claims
- 1281US4988748AFlame-resistant thermoplastic polycarbonate molding compoundsBAYER AG·Filed 1989·Granted Jan 29, 1991·33 cites·10 claims
- 1380US4257987ALower alkyl di propargyl phosphatesBAYER AG·Filed 1979·Granted Mar 24, 1981·11 cites·7 claims
- 1477US4067820AHigh molecular weight, insoluble carbodiimidization catalystsBAYER AG·Filed 1976·Granted Jan 10, 1978·22 cites·5 claims
- 1576US4246103APropane-1,3-diphosphonic acids for conditioning waterBAYER AG·Filed 1979·Granted Jan 20, 1981·17 cites·3 claims
- 1676US4102949AProduction of 3,4-dihydroxy phospholane oxidesBAYER AG·Filed 1977·Granted Jul 25, 1978·9 cites·2 claims
- 1773US4827022AProcess for the preparation of dimethylmaleateBAYER AG·Filed 1988·Granted May 2, 1989·12 cites·4 claims
- 1872US4080377AProduction of cyclic five-membered ring unsaturated phosphine dichloridesBAYER AG·Filed 1977·Granted Mar 21, 1978·7 cites·7 claims
- 1971US5127999AProcess for the preparation of alkali metal dichromates and chromic acid by electrolysisBAYER AG·Filed 1991·Granted Jul 7, 1992·22 cites·3 claims
- 2070US6905576B1Method and system for producing silaneSOLARWORLD AG·Filed 1999·Granted Jun 14, 2005·42 cites·12 claims
- 2170US5128000ADimensionally stable anodes and their use in the preparation of alkali metal dichromates and chromic acidBAYER AG·Filed 1991·Granted Jul 7, 1992·19 cites·7 claims
- 2268US6843972B2Method for purifying trichlorosilaneSOLARWORLD AG·Filed 2001·Granted Jan 18, 2005·10 cites·13 claims
- 2367US5424474AFluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids containing hydroxyl and/or mercapto groups, a method for their preparation, and their useBAYER AG·Filed 1993·Granted Jun 13, 1995·26 cites·20 claims
- 2467US4118435ACatalyzed production of phosphorous and phosphonous acid ester chloridesBAYER AG·Filed 1977·Granted Oct 3, 1978·6 cites·5 claims
- 2565US4052484ASubstituted cyclic phosphine oxidesBAYER AG·Filed 1976·Granted Oct 4, 1977·5 cites·2 claims
- 2664US5342986AFluorinated carboxylic acid esters of phosphonocarboxylic acids and phosphinocarboxylic acids and use thereofBAYER AG·Filed 1993·Granted Aug 30, 1994·17 cites·6 claims
- 2763US5710307AProcess for the production of trialkyl phosphitesBAYER AG·Filed 1997·Granted Jan 20, 1998·10 cites·16 claims
- 2863US5458812AProcess for the production and concentration of silica solsBAYER AG·Filed 1993·Granted Oct 17, 1995·19 cites·9 claims
- 2963US4931586AProcess for the continuous production of 2-phosphone-butane-1,2,4-tricarboxylic acid and alkali metal salts thereofBAYER AG·Filed 1989·Granted Jun 5, 1990·10 cites·8 claims
- 3063US4028434AGraft polymers of vinyl phosphonic acid estersBAYER AG·Filed 1975·Granted Jun 7, 1977·10 cites·6 claims
- 3161US4391761AProcess for the production of aryl phosphonyl compoundsBAYER AG·Filed 1981·Granted Jul 5, 1983·6 cites·4 claims
- 3259US5250274AProcess for the production of sodium dichromateBAYER AG·Filed 1992·Granted Oct 5, 1993·14 cites·3 claims
- 3357US7323155B2Method for producing silanesSOLARWORLD AG·Filed 2001·Granted Jan 29, 2008·4 cites·10 claims
- 3457US5181994AProcess for the preparation of chromic acidBAYER AG·Filed 1990·Granted Jan 26, 1993·11 cites·6 claims
- 3557US4022757ADicarbamic acid diesters containing phosphorusBAYER AG·Filed 1975·Granted May 10, 1977·8 cites·3 claims
- 3655US4080385APreparation of alkoxy phospholane oxides and sulphidesBAYER AG·Filed 1976·Granted Mar 21, 1978·3 cites·5 claims
- 3754US5565615AMethod of preparing dimethylamine-boraneBAYER AG·Filed 1995·Granted Oct 15, 1996·6 cites·13 claims
- 3852US6951637B2Method and device for producing globular grains of high-puroty silicon having a diameter of between 50 μm and 300 μm and use of the sameSOLARWORLD AG·Filed 2001·Granted Oct 4, 2005·8 cites·33 claims
- 3952US5682593AExtraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonateBAYER AG·Filed 1995·Granted Oct 28, 1997·10 cites·11 claims
- 4051US5273735AProcess for the preparation of sodium dichromateBAYER AG·Filed 1992·Granted Dec 28, 1993·9 cites·7 claims
- 4150US4252857AFlameproofing substrateBAYER AG·Filed 1979·Granted Feb 24, 1981·9 cites·6 claims
- 4245US5639909AProduction of 2-phosphonobutane-1,2,4-tricarboxylic acid and the alkali metal salts thereofBAYER AG·Filed 1996·Granted Jun 17, 1997·4 cites·4 claims
- 4345US4229521AMethod of processing photographic materialsAGFA GEVAERT AG·Filed 1978·Granted Oct 21, 1980·3 cites·6 claims
- 4444US5258067ALiquid for conditioning tooth or bone substanceBAYER AG·Filed 1992·Granted Nov 2, 1993·9 cites·4 claims
- 4543US5068015AElectrochemical process for the production of chromic acidBAYER AG·Filed 1989·Granted Nov 26, 1991·5 cites·10 claims
- 4643US4981573AProcess for the production of alkali dichromates and chromic acid employing an anode of valve metal activated by electrodepositing noble metals from meltsBAYER AG·Filed 1989·Granted Jan 1, 1991·4 cites·2 claims
- 4742US5411726AProcess for purifying hydrogen fluorideBAYER AG·Filed 1994·Granted May 2, 1995·6 cites·13 claims
- 4842US5159074AAminomethanephosphonic acid aryl esters, a process for their production and their useBAYER AG·Filed 1990·Granted Oct 27, 1992·5 cites·10 claims
- 4942US5091562AProcess for eliminating 1-carboxy-1-phosphonocyclopentan-3-one from, or reducing its content in, technical 2-phosphonobutane-1,2,4-tricarboxylic acid using bleaching liquorBAYER AG·Filed 1991·Granted Feb 25, 1992·3 cites·5 claims
- 5042US2004101463A1Method for producing trichlorosilaneFiled 2001·Application pending·0 cites
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