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CHARLES WEIZMANN

Overview
  • Total Patents
    95
About

CHARLES WEIZMANN has a total of 95 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets organic fine chemistry, biotechnology and basic materials chemistry are RZBC BOYUAN BIOCHEMICAL CO LTD, WEIZMANN CHARLES and WUXI JINGHAI AMINO ACID CO LTD.

Patent filings in countries

World map showing CHARLES WEIZMANNs patent filings in countries
# Country Total Patents
#1 United Kingdom 67
#2 United States 20
#3 France 8

Patent filings per year

Chart showing CHARLES WEIZMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Charles Weizmann 18
#2 Weizmann Charles 8
#3 Claude Jessup Alfred 2
#4 Joseph Blumenfeld 1
#5 Alliston Legg David 1
#6 Anthony Hamlyn George 1
#7 Herbert Steiner 1

Latest patents

Publication Filing date Title
GB596034A Improvements relating to the production of unsaturated carboxylic acids
GB594182A Improvements in or relating to the manufacture of condensation products from substances containing reactive methylene or methine groups
GB587545A Production of mono- and di-ª‡-substituted ª‡-alkoxy-acetic acids and of ª‡,ª‰-unsaturated esters therefrom
GB577364A Process for the dehydration of 3-methyl-butenol
GB582191A Improved process for carrying out condensation reactions of substances containing reactive methylene or methine groups
US2367078A Process for the production of saturated ketones
US2354163A Lining for hydrocarbon treating apparatus
GB578082A Process for the preparation of alkoxy-isobutyric acids
GB584607A Process for the preparation of methacrylic acid and its esters
US2381148A Dehydration of unsaturated alcohols
GB574058A Improvements in and relating to the separation of butadiene from gaseous mixtures
GB573216A Improvements in and relating to the production of acetone and butyl alcohol by fermentation processes
GB572997A Improvements in and relating to the separation of diolefines from gaseous mixtures
US2388101A Process for the production of ketones
GB564090A Improvements in and relating to the preparation and isolation of ethylene chlorohydrin
GB575770A Improvements in and relating to the aromatisation of hydrocarbonaceous materials
US2377197A Process for the production of acetone and butyl alcohol by fermentation
US2386374A Fermentation processes
GB572821A Improvements in and relating to the conversion of olefines into diolefines
US2397715A Production of aromatic bodies