Learn more

SPENCER CHEMICAL INTERNATIONAL

Overview
  • Total Patents
    29
About

SPENCER CHEMICAL INTERNATIONAL has a total of 29 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Austria, United Kingdom and Switzerland. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and machines are APPRYL SNC, OKHTINSKOE N PROIZV OB PLASTPO and CUMBERLAND CHEMICAL CORP.

Patent filings in countries

World map showing SPENCER CHEMICAL INTERNATIONALs patent filings in countries
# Country Total Patents
#1 Austria 7
#2 United Kingdom 7
#3 Switzerland 6
#4 Germany 2
#5 Greece 2
#6 Norway 2
#7 Belgium 1
#8 Denmark 1
#9 Sweden 1

Patent filings per year

Chart showing SPENCER CHEMICAL INTERNATIONALs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Arthur F Helin 3
#2 Stryker H 2
#3 Helin A 2
#4 Arthur Francis Helin 2
#5 Gerald J Mantell 2
#6 Helin Arthur F 2
#7 Harry K Stryker 2
#8 Stryker Harry K 2
#9 Mantell G 1
#10 William H Gonzales 1

Latest patents

Publication Filing date Title
GB966254A Improvements in or relating to the treatment of fibrous materials
GB964026A Stable polyethylene latices