Learn more

PETROW HENRY G

Overview
  • Total Patents
    11
About

PETROW HENRY G has a total of 11 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Belgium and Canada. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and macromolecular chemistry and polymers are BABIC BRANKO R, PAPERTEC CO LTD E and SUM ART.

Patent filings in countries

World map showing PETROW HENRY Gs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Belgium 1
#3 Canada 1
#4 Germany 1
#5 Japan 1
#6 Sweden 1
#7 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing PETROW HENRY Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Petrow Henry G 9
#2 Allen Robert H 2
#3 Allen Robert J 2
#4 Robaato Jiei Aren 1
#5 Weissman Mark L 1
#6 Henrii Jii Petsutorou 1

Latest patents

Publication Filing date Title
US4841997A Method for setting hair or fur
US4659566A Compositions and methods for permanently waving or straightening hair
US4295985A Method of removal of chlorine retained by human skin and hair after exposure to chlorinated water, and soap and shampoo compositions adapted to effect said removal
US3960989A Colloidal sol antimony pentaoxide flameproofing compositions
US3860523A Antimony oxide colloidal sol, formulation and method of preparing the same