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CHARLES E FROSST & COMPANY

Overview
  • Total Patents
    11
About

CHARLES E FROSST & COMPANY has a total of 11 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United Kingdom, United States and Spain. Its main competitors in its focus markets organic fine chemistry are CHENGDU QIE SI TE TECHNOLOGY CO LTD, CHENGDU QIE SI TE TECH CO LTD and CHENGDU QIANYE LONGHUA PETROLEUM ENGINEERING TECH CONSULTATION CO LTD.

Patent filings in countries

World map showing CHARLES E FROSST & COMPANYs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 United States 2
#3 Spain 1

Patent filings per year

Chart showing CHARLES E FROSST & COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Organic fine chemistry

Top inventors

# Name Total Patents
#1 Yates Claire Hilliard 4
#2 Thompson Lloyd Matthew 3
#3 Parker John Mulvin 2
#4 Gleason Clarence H 1
#5 Wasson Burton Kendal 1
#6 Irving Levi 1
#7 Thompson Lloyd 1
#8 Wasson Burton Kendall 1

Latest patents

Publication Filing date Title
GB1025572A New 3-substituted 4-hydroxycoumarins
GB1005028A Novel 1:4-benzodioxan derivatives
GB921322A Substituted hydrazide compounds
GB921323A Substituted hydrazide compounds
GB921321A Substituted hydrazide compounds
GB861938A Tetrahydrofuran carbamates
US2951876A Process for preparing alpha-halogen-beta-hydroxy alcohols
US3032469A Long acting steroid compounds
GB822797A Improvements relating to the manufacturing of dl--a-bromo--ß hydroxy-butyric acid