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GRIEHL VOLKER

Overview
  • Total Patents
    19
About

GRIEHL VOLKER has a total of 19 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Czechoslovakia and German Democratic Republic. Its main competitors in its focus markets macromolecular chemistry and polymers are KOGAN L M, CENTRALE VEREENIGING TOT BEHEE and BRITISH RUBBER PROD RES.

Patent filings in countries

World map showing GRIEHL VOLKERs patent filings in countries
# Country Total Patents
#1 Czechoslovakia 17
#2 German Democratic Republic 2

Patent filings per year

Chart showing GRIEHL VOLKERs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Griehl Volker 17
#2 Antonova Elisabeth 11
#3 Scholz Peter 4
#4 Stubenrauch Dieter 4
#5 Anton Elisabeth 4
#6 Froehlich Hans-Otto 3
#7 Stoye Hartmut 3
#8 Keiser Stephan 2
#9 Steinert Sigrid 2
#10 Schulz Hans-Peter 2

Latest patents

Publication Filing date Title
CS827883A1 1,3 butadiene selective polymerization method from c4 fractions
CS827683A1 1,3-butadiene selective polymerization method from c4 fractions
DD158780A1 Process for the production of endstanding functional polymers
DD160189A1 Process for selective butadial polymerization from c low 4 fractions