Inventor
BLOCK HANS-DIETER
63 patents
⚠️ This page may combine multiple inventors who share the name “BLOCK HANS-DIETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
42 patentsUS4415719ANov 15, 1983
Thermoplastic, branched aromatic polyphosphonates, and a process for their production
BAYER AG66 citations96
US4344855AAug 17, 1982
Process for the production of polyisocyanates which contain carbodiimide groups and which are stable in storage
BAYER AG80 citations96
US4331614AMay 25, 1982
Aromatic polyphosphonates and a process for their production
BAYER AG76 citations96
US4294719AOct 13, 1981
Polyisocyanates which contain carbodiimide groups and which are stable in storage
BAYER AG81 citations96
US5216113AJun 1, 1993
Highly branched polyphosphonates
BAYER AG66 citations94
US5424474AJun 13, 1995
Fluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids containing hydroxyl and/or mercapto groups, a method for their preparation, and their use
BAYER AG26 citations92
US5414102AMay 9, 1995
Fluorinated carboxylic acid esters of phosphono- and phosphinocarboxylic acids containing acrylate and/or methacrylate groups
BAYER AG27 citations92
US5127999AJul 7, 1992
Process for the preparation of alkali metal dichromates and chromic acid by electrolysis
BAYER AG22 citations92
US5964693AOct 12, 1999
Continuous preparation of silica sols which contain large particles
BAYER AG48 citations91
US4988748AJan 29, 1991
Flame-resistant thermoplastic polycarbonate molding compounds
BAYER AG33 citations91
US4377537AMar 22, 1983
Preparation of alkane phosphonic and phosphinic acid aryl esters
BAYER AG38 citations87
US5128000AJul 7, 1992
Dimensionally stable anodes and their use in the preparation of alkali metal dichromates and chromic acid
BAYER AG19 citations82
US4067820AJan 10, 1978
High molecular weight, insoluble carbodiimidization catalysts
BAYER AG22 citations82
US5258067ANov 2, 1993
Liquid for conditioning tooth or bone substance
BAYER AG9 citations74
US4257987AMar 24, 1981
Lower alkyl di propargyl phosphates
BAYER AG11 citations74
US4252857AFeb 24, 1981
Flameproofing substrate
BAYER AG9 citations74
US4102949AJul 25, 1978
Production of 3,4-dihydroxy phospholane oxides
BAYER AG9 citations74
US4080377AMar 21, 1978
Production of cyclic five-membered ring unsaturated phosphine dichlorides
BAYER AG7 citations74
US5682593AOct 28, 1997
Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate
BAYER AG10 citations73
US5181994AJan 26, 1993
Process for the preparation of chromic acid
BAYER AG11 citations73
US4028434AJun 7, 1977
Graft polymers of vinyl phosphonic acid esters
BAYER AG10 citations73
US4022757AMay 10, 1977
Dicarbamic acid diesters containing phosphorus
BAYER AG8 citations73
US5710307AJan 20, 1998
Process for the production of trialkyl phosphites
BAYER AG10 citations72
US5565615AOct 15, 1996
Method of preparing dimethylamine-borane
BAYER AG6 citations72
US5458812AOct 17, 1995
Process for the production and concentration of silica sols
BAYER AG19 citations72
US5273735ADec 28, 1993
Process for the preparation of sodium dichromate
BAYER AG9 citations72
US4246103AJan 20, 1981
Propane-1,3-diphosphonic acids for conditioning water
BAYER AG17 citations72
US5342986AAug 30, 1994
Fluorinated carboxylic acid esters of phosphonocarboxylic acids and phosphinocarboxylic acids and use thereof
BAYER AG17 citations71
US4827022AMay 2, 1989
Process for the preparation of dimethylmaleate
BAYER AG12 citations71
US5885485AMar 23, 1999
Process for producing low-salt silica sol dispersions in low-boiling alcohols
BAYER AG8 citations70
US5250274AOct 5, 1993
Process for the production of sodium dichromate
BAYER AG14 citations70
US4931586AJun 5, 1990
Process for the continuous production of 2-phosphone-butane-1,2,4-tricarboxylic acid and alkali metal salts thereof
BAYER AG10 citations65
US5411726AMay 2, 1995
Process for purifying hydrogen fluoride
BAYER AG6 citations63
US4491656AJan 1, 1985
Polyphosphates and process of preparation
BAYER AG3 citations63
US4080385AMar 21, 1978
Preparation of alkoxy phospholane oxides and sulphides
BAYER AG3 citations63
US4052484AOct 4, 1977
Substituted cyclic phosphine oxides
BAYER AG5 citations63
US5096548AMar 17, 1992
Process for the preparation of chromic acid
BAYER AG4 citations62
US5094729AMar 10, 1992
Processes for the preparation of alkali metal dichromates and chromic acid
BAYER AG2 citations62
US5051155ASep 24, 1991
Processes for the preparation of alkali metal dichromates and chromic acid
BAYER AG2 citations62
US4981573AJan 1, 1991
Process for the production of alkali dichromates and chromic acid employing an anode of valve metal activated by electrodepositing noble metals from melts
BAYER AG4 citations62
US4482693ANov 13, 1984
Polyphosphates and the production thereof
BAYER AG3 citations62
US5068015ANov 26, 1991
Electrochemical process for the production of chromic acid
BAYER AG5 citations61
SOLARWORLD AG
7 patentsUS6905576B1Jun 14, 2005
Method and system for producing silane
SOLARWORLD AG42 citations92
US6852301B2Feb 8, 2005
Method for producing silane
SOLARWORLD AG27 citations92
US6942844B2Sep 13, 2005
Method and facility for producing silane
SOLARWORLD AG27 citations90
US6887448B2May 3, 2005
Method for production of high purity silicon
SOLARWORLD AG44 citations90
US6843972B2Jan 18, 2005
Method for purifying trichlorosilane
SOLARWORLD AG10 citations71
US6951637B2Oct 4, 2005
Method and device for producing globular grains of high-puroty silicon having a diameter of between 50 μm and 300 μm and use of the same
SOLARWORLD AG8 citations70
US7323155B2Jan 29, 2008
Method for producing silanes
SOLARWORLD AG4 citations60
AGFA GEVAERT AG
1 patentShowing the top 50 of 63 patents by PatentIndex Score.