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RUHRCHEMIE AG

Overview
  • Total Patents
    4,431
About

RUHRCHEMIE AG has a total of 4,431 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets organic fine chemistry, chemical engineering and macromolecular chemistry and polymers are PETRO TEX CHEM CORP, DISTILLERS CO YEAST LTD and ERDOELCHEMIE GMBH.

Patent filings per year

Chart showing RUHRCHEMIE AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cornils Boy 190
#2 Rottig Dr Walter 130
#3 Wiebus Ernst 123
#4 Rottig Walter 99
#5 Bahrmann Helmut 92
#6 Konkol Werner 88
#7 Springer Helmut 78
#8 Meis Josef 77
#9 Bach Hanswilhelm 76
#10 Rottig Walter Dr 72

Latest patents

Publication Filing date Title
DE3811038A1 METHOD FOR PRODUCING CATALYST COMPOSITIONS CONTAINING NICKEL, ALUMINUM OXIDE AND ZIRCONDIOXIDE
DE3744212A1 PROCESS FOR THE PREPARATION OF 2-METHYLBUTANAL
DE3744213A1 METHOD FOR RECOVERING RHODIUM FROM AQUEOUS SOLUTIONS CONTAINING RHODIUM COMPLEX COMPOUNDS
DE3744214A1 Ethylene-vinyl acetate composition
DE3741726A1 METHOD FOR PRODUCING TERTIAL N, N-DIMETHYLAMINES
IE873115L Preparation of aldehydes.
DE3732995A1 Process for preparing carbon acid methyl esters
DE3732722A1 Process for the preparation of ethylene vinyl acetate copolymers
DE3732721A1 COPOLYMERISATES FROM ETHYLENE AND METHOXY ACETIC ACID VINYL ESTER AND THEIR USE AS ADDITIVES FOR MINERAL OIL DISTILLATES
DE3728981A1 Process for preparing ethanol in a mixture with propanol and butanol
DE3726128A1 METHOD FOR PRODUCING ALDEHYDES
DE3721539A1 METHOD FOR PRODUCING METHYLAMINE
DE3721538A1 METHOD FOR PRODUCING 2,2'-OXYBIS N, N-DIMETHYL ETHANAMINE
IE871158L Preparation of aldehydes
DE3712835A1 METHOD FOR PRODUCING CARBONIC ACID METHYL ESTERS
US4731485A Process for hydroformylation with rhodium catalysts and the separation of rhodium therefrom
DE3644675A1 METHOD FOR PRODUCING 2,2-DIMETHYLPROPANDIOL- (1,3)
DE3644521A1 METHOD FOR EXTRUDING ULTRA HIGH MOLECULAR POLYETHYLENE
DE3640615A1 METHOD FOR PRODUCING ALDEHYDES
DE3640614A1 METHOD FOR PRODUCING ALDEHYDES