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DIAMOND ALKALI CO

Overview
  • Total Patents
    1,336
About

DIAMOND ALKALI CO has a total of 1,336 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and macromolecular chemistry and polymers are SCHOLVEN CHEMIE AG, KYOWA YUKA KK and OCCIDENTAL CHEM CO.

Patent filings in countries

World map showing DIAMOND ALKALI COs patent filings in countries
# Country Total Patents
#1 United States 470
#2 United Kingdom 244
#3 France 230
#4 Canada 212
#5 Germany 101
#6 Belgium 27
#7 Switzerland 16
#8 Spain 14
#9 Austria 6
#10 Denmark 6
#11 Netherlands 3
#12 Greece 2
#13 Israel 2
#14 Brazil 1
#15 Cyprus 1
#16 Ireland 1

Patent filings per year

Chart showing DIAMOND ALKALI COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perrin Tom S 36
#2 Henry Bluestone 33
#3 Irving Rosen 30
#4 Wotiz John H 29
#5 Rosen Irving 25
#6 Banner Robert G 22
#7 Dereich John E 20
#8 Skeeters Maxwell J 19
#9 Slezak Frank B 18
#10 Pyne William J 17

Latest patents

Publication Filing date Title
US3655619A Alkoxylated mannich base urethane prepolymer composition and method of preparation
US3480379A Tanning of leather employing synthetic anionic tanning agents
GB1157916A Improvements in or relating to Vinyl Chloride Copolymer Compositions
ES346750A1 Improvements in methods for manufacturing a container of thin walls, hermetic to liquids. (Machine-translation by Google Translate, not legally binding)
GB1178284A Improvements in or relating to the Preparation of 0-Chloro-1-Fluoro-Ethane
GB1137029A Improvements in or relating to chemical reactions involving gaseous materials
GB1131839A Improvements in or relating to cement and soil stabilization composition
GB1160073A Improvements in or relating to Liquid Polymers
GB1130779A Improvements in or relating to the preparation of acetylene
ES330322A3 Method of preparation of an anionic change resin. (Machine-translation by Google Translate, not legally binding)
US3580854A Sequestering agents for metal ion contamination in side-chain halogenation of alkyl-aromatic hydrocarbons comprising phosphorous halide and organic phosphate
ES327242A1 Method for preparing a composition for self-curing and rapid cured molds for the metals foundation. (Machine-translation by Google Translate, not legally binding)
US3350467A Method for side-chain chlorination of xylene
GB1107977A Improvements in or relating to halophenoxyalkane-carboxylic acids
US3318786A Chromium plating
GB1113340A Improvements in or relating to valveless blow-moulding machines
GB1070127A Improvements in or relating to free-flowing alkaline compositions
US3462237A Composition of matter
US3442864A Formals of norbornane-2,7-diols and copolymers thereof with trioxane
US3336106A Process for producing sodium carbonate from sodium bicarbonate obtained by the ammonia-soda process