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DERIVES DE L ACETYLENE S I D A

Overview
  • Total Patents
    17
About

DERIVES DE L ACETYLENE S I D A has a total of 17 patent applications. Its first patent ever was published in 1932. It filed its patents most often in Canada, United Kingdom and Belgium. Its main competitors in its focus markets organic fine chemistry are LEI ZONGDA, SHENYANG CHEMICAL ENGINEERING and CHIMICA BULCIAGO SRL.

Patent filings in countries

World map showing DERIVES DE L ACETYLENE S I D As patent filings in countries
# Country Total Patents
#1 Canada 6
#2 United Kingdom 6
#3 Belgium 2
#4 Switzerland 2
#5 France 1

Patent filings per year

Chart showing DERIVES DE L ACETYLENE S I D As patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Borrel Marcel 3
#2 Lichtenberger Robert 2
#3 Villemey Lucien 2
#4 Besson Paul 2
#5 Marcel Borrel 2
#6 Chatelin Bernard 1
#7 Thirion Pierre 1
#8 Robert Lichtenberger 1
#9 Galvin Andre 1
#10 Brun Pierre 1

Latest patents

Publication Filing date Title
GB799755A Improvements in and relating to the manufacture of acrylic nitrile
GB781230A Manufacture of amines
GB768430A Purification of acrylonitrile
GB794344A Production of mesityl oxide and like ª‡-ethylenically unsaturated ketones
GB746312A Method for the purification of acrylonitrile
GB733650A Isophorone and its homologues
CA564391A Method for the purification of acrylonitrile
CA555442A Method for preparing polyols and saturated ketones
CA544636A Purification of acrylonitrile
CA592391A Manufacture of methylethylketone
CA542828A Manufacture of mesityl oxide and its homologues
CA607405A Manufacture of acrylic nitrile