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ROTH CHRISTOPH

Overview
  • Total Patents
    23
About

ROTH CHRISTOPH has a total of 23 patent applications. Its first patent ever was published in 1975. It filed its patents most often in German Democratic Republic, Czechoslovakia and United States. Its main competitors in its focus markets optics are LUMIERE SOC, KONISHIROKU PHOTO IND and ANICET ANSTALT.

Patent filings in countries

World map showing ROTH CHRISTOPHs patent filings in countries

Patent filings per year

Chart showing ROTH CHRISTOPHs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

Top inventors

# Name Total Patents
#1 Roth Christoph 22
#2 Urban Otto 11
#3 Anton Elisabeth 10
#4 Plaschnick Dieter 8
#5 Setzkorn Georg 6
#6 Griehl Volker 6
#7 Hesse Brigitte 4
#8 Kroha Walter 3
#9 Boettcher Horst 3
#10 Schirge Harald 2

Latest patents

Publication Filing date Title
DD158063A1 Photopolymerizable composition
DD155361A1 Photopolymerizable composition
DD153003A1 Photographic material with a light shielding layer
DD147730A1 Photographic material with a light shielding layer
DD147009A1 Method of dispersing hydrophobic photographic additives
DD144129A1 Process for introducing organic additives in hydrophilic colloidal layers
DD138711A1 Method for mattering photographic materials
DD137284A1 Photographic, gelatine-containing 5s material with synthetic binder
DD141368A1 Photographic material with a light shielding layer
DD151065A1 Method for polymerizing services with bifunctional lithium initiators
DD150469A1 Method for producing multifunctional polymerization initiators
DD143913A1 Process for preparing praepolymers with amidend groups
DD143914A1 Method for producing brominating oligomer of alpha methylstyrol
CS229006B1 Method of crosslinking polydienes containing hydroxyl groups by means of polyisocyanates
DD138908A1 Method of networking hydroxyl-containing polydienes
DD138871A3 Process for preparing homo and copolymerizes of conjugated serves and vinylaromatic compounds with chloro-format-end groups
DD139337A3 Method for the production of homo- and copolymerises of conjugated serves and vinylaromatic compounds combined with blocked isocyanates