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LUDWIG HEUMANN & CO CHEM PHARM

Overview
  • Total Patents
    15
About

LUDWIG HEUMANN & CO CHEM PHARM has a total of 15 patent applications. Its first patent ever was published in 1934. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets organic fine chemistry and pharmaceuticals are NGUYEN MARK QUANG, RECH S ET PROPAGANDE SCIENT and NANJING HAIAOSI BIOMEDICINE TECH CO LTD.

Patent filings in countries

World map showing LUDWIG HEUMANN & CO CHEM PHARMs patent filings in countries
# Country Total Patents
#1 Germany 10
#2 Austria 2
#3 Switzerland 2
#4 Finland 1

Patent filings per year

Chart showing LUDWIG HEUMANN & CO CHEM PHARMs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Bauereis Dr Rudolf 3
#2 Bausch Dr-Ing Sigfrid 1
#3 Bauereis Rudolf Dr Rer Nat Dr Med 1
#4 Graf Dr Erich 1
#5 Rudolf Bauereis 1
#6 Med Bauereis Rudolf Dr Rer Nat 1
#7 Eubel Josef 1
#8 Haenel Margret Dr 1
#9 Bausch Dr-Ing Sigfried 1
#10 Haenel Ludwig Dr 1

Latest patents

Publication Filing date Title
DE1280849B Process for the production of curcumin from vanillin and acetylacetone
DE1021853B Process for the preparation of N-substituted 2, 4-diamino-1, 3, 5-triazines
DE1023757B Process for the preparation of monosubstituted, aliphatic biguanide salts
DE1008303B Process for the preparation of N-substituted 2, 4-diamino-1, 3, 5-triazines
DE801396C Process for the preparation of 1,4-substituted butadiene- (1,3) -2, 3-dicarboxylic acids and their anhydrides
DE727113C Process for the production of durable ferrocarbonate preparations
DE728593C Process for the production of durable ferrocarbonate preparations
DE657259C Pellets for pharmaceutical purposes
DE668053C Process for regulating the dispensability of ethereal oils from porous carriers to the stomach
DE662948C Process for the conversion of powdery ferrous compounds into permanent form