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RHEINPREUSSEN AG

Overview
  • Total Patents
    575
About

RHEINPREUSSEN AG has a total of 575 patent applications. Its first patent ever was published in 1938. It filed its patents most often in Germany, United Kingdom and Switzerland. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and chemical engineering are GULF RESEARCH & DEV CY, DISTILLERS CO YEAST LTD and MELLE BEZONS.

Patent filings in countries

World map showing RHEINPREUSSEN AGs patent filings in countries
# Country Total Patents
#1 Germany 207
#2 United Kingdom 82
#3 Switzerland 68
#4 Canada 59
#5 France 52
#6 United States 28
#7 Denmark 26
#8 Austria 22
#9 Spain 17
#10 Belgium 12
#11 Italy 1
#12 Sweden 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Chemie Rheinpreussen Aktienges 41
#2 Grimme Dipl-Chem Dr Walter 31
#3 Woellner Dipl-Chem Dr Johannes 26
#4 Kolbel Herbert 19
#5 Koelbel Dipl-Chem Dr Herbert 17
#6 Wollner Johannes 16
#7 Engelhardt Dipl-Chem Dr Friedr 16
#8 Grimme Walter 15
#9 Langheim Robert 15
#10 Engelhardt Friedrich 13

Latest patents

Publication Filing date Title
ES382571A1 Procedure for the preparation of synthetic materials and resins for varnishes from basic and nitrogenic hydrogenic compounds and dicharboxylic acid anhydrics. (Machine-translation by Google Translate, not legally binding)
FR2102473A5 Varnish base from n-contg glycidyl bases - and carboxylic acid anhydrides
BE748470A Acrylic acid copolymers
FR2082438A5 Acrylic acid copolymers
DE1962356B1 Process for the manufacture of a thermosetting powdery binder for casting molds
DE1954836A1 Control unit for a planing system
DE1947177A1 Process for the production of higher alcohols
FR2020525A1 Removal of halogen hydracids from hydrocarbons eg - alkanes cycloalkanes aromatic hydrocarbons and
DE1922015A1 Process for the production of core sand binders
DE1917200A1 Method and device for the prevention of mining damage to buildings
DE1912026A1 Process for the ethylolation of hydantoins
DE1903066A1 Process for the hydrolysis of aluminum alcoholates
DE1902735A1 Acrylic acid copolymers
DE1902509A1 Process for the production of acylated alcoholates of polyvalent metals, preferably aluminum, and the use of the acylation products for the surface treatment of (glass) fiber materials and the like.
GB1214173A Process and means for the production of hydantoins
DE1642870A1 Process for operating reactors filled with acidic or basic ion exchange resins as reaction catalysts
DE1695646A1 Process and device for the continuous production of hydantoins, in particular 5,5-dimethylhydrantoin
DE1291729B Process for the hydration of lower olefins to alcohols and ethers
DE1296127B Device for closing reaction tubes
DE1695619A1 Process for the cyanaethylation of 5,5-dimethylhydantoin