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WIEDERHOLD FA HERMANN

Overview
  • Total Patents
    74
About

WIEDERHOLD FA HERMANN has a total of 74 patent applications. Its first patent ever was published in 1940. It filed its patents most often in Germany, France and Austria. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and surface technology and coating are SIGMAKALON B V, VIANOVA RESINS S P A and KANSAI PAINT CO LTD.

Patent filings in countries

World map showing WIEDERHOLD FA HERMANNs patent filings in countries
# Country Total Patents
#1 Germany 46
#2 France 13
#3 Austria 6
#4 Switzerland 6
#5 Finland 1
#6 United Kingdom 1
#7 United States 1

Patent filings per year

Chart showing WIEDERHOLD FA HERMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ludwig Baulmann Wilhelm 12
#2 Neuhaus Hermann Friedrich 6
#3 Henning Annemarie 4
#4 Friedrich Neuhaus Hermann 3
#5 Falkenburg Hans Dr 3
#6 Arnold Heinrich 3
#7 Boeker Ernst Dr 3
#8 Wiederhold Dr Ellen 2
#9 Blau Hans 2
#10 Baulmann Wilhelm 2

Latest patents

Publication Filing date Title
DE2320723A1 HEAT EXCHANGERS, IN PARTICULAR EVAPORATORS
FR2182815A2 Photohardenable unsatd polyester coating compsn - - contg styrene and benzoin ether
DE2204514A1 Photohardenable unsatd polyester coating compsn - - contg styrene and benzoin ether
FR2121528A1 Veneer edging strip - is supported on rigid substrate whilst varnishing and then removed
DE2160782A1 Alkyd resin prodn - by reacting benzenetricarboxylic acid triol, and natural oil/fatty acids
FR2124036A5 Polyester resin lacquer - contg cetyl alcohol or cetyl palmitate material derived from whales
DE2159434A1 Retarding reaction of lacquer components - by storing under pressure from a liquefiable gas
DE2145988A1 HIGH FREQUENCY DRYERS
DE2040888A1 Drying transparent polyester varnishes - of unsatd type with phosphor-coated mercury vapour low pressure lamp
DE2038883A1 Unsaturated polyester resins
DE1957868A1 Lacquers for coarse-pored wood
DE1906304A1 Etching of printed circuits with aqueous - copper (ii) chloride solutions
DE1902252A1 Unsaturated polyester coatings for wood
DE1814174A1 Process for the production of polymers, in particular of lacquer coatings
DE1809117A1 Method of painting wood, metal and plastic or the like.
DE1808383A1 Cigarette mouthpiece gelation paper with a cork imitation print and process for its production
DE1802904A1 Process and device for the photochemical polymerization of unsaturated polyester
DE1801183A1 Lacquer for small containers
DE1769988A1 Process for the production of polymers
CH499611A Polyamide resin dopes containing phenol for- - aldehyde urea or melamine resins