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CHAPMAN CHEM CO

Overview
  • Total Patents
    72
About

CHAPMAN CHEM CO has a total of 72 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets basic materials chemistry, machine tools and chemical engineering are KOP COAT INC, YASHIMA SANGYO KK and MATTERSMITHS TECHNOLOGIES LTD.

Patent filings per year

Chart showing CHAPMAN CHEM COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 West Michael H 16
#2 Stutz Robert E 9
#3 Nagel Fritz John 7
#4 West Michael Howard 7
#5 Behr Eldon A 6
#6 Nagel Fritz J 6
#7 Nagel F 5
#8 Ring Robert G 5
#9 Dale Chapman Alfred 3
#10 Branch Robert E 3

Latest patents

Publication Filing date Title
PT99417A Process for the preparation of a composition in paste form containing a mixture of copper naphthenate with a borate for the preservation of wood
AU8682891A Wood preservation composition and method
NZ240379A Paste composition for preserving wood comprising a mixture of copper naphthenate and a borate compound
FI915097A0 Composition of foerfarande foer konservering av traed
NZ239522A Pesticidal compositions containing an amine salt of a phosphonic or orthophosphoric acid
US5009937A Sapstain control composition and method
US5084280A Wood preservation composition and method
US4937143A Compositions and processing for preserving and/or coloring wood
US4906660A Wood preservative composition and method
US4766113A Antimicrobial compositions and methods of using same
US4602011A Antimicrobial compositions and methods of using same
CA1158157A Antimicrobial compositions
US4255593A Salts of polychlorinated phenols
GR65588B Germicidal producing and method for the preparation thereof
US3727889A Mixing method and apparatus
US3630763A Control of transit stain on wood products
US3305298A Protecting treatment for wood
US3376144A Wood preservative grease composition
US3343519A Lumber spray machine
US3369921A Method and composition for treating wood to reduce staining