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SYNVAR ASS

Overview
  • Total Patents
    44
About

SYNVAR ASS has a total of 44 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets measurement, organic fine chemistry and machines are GEIGY CHEM CORP, CHUO YUKA and MERCK ANLAGEN GMBH.

Patent filings in countries

World map showing SYNVAR ASSs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 9
#3 Germany 8
#4 France 7
#5 Italy 2
#6 Switzerland 1
#7 Israel 1

Patent filings per year

Chart showing SYNVAR ASSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ullman Edwin F 15
#2 Mcconnell Harden M 8
#3 Boocock David G B 6
#4 O'Dorchai Raphael 4
#5 Ogawa Seiji 3
#6 Leute Richard K 3
#7 Ullman E 3
#8 Gamble Fred R 2
#9 Osiecki J 2
#10 Gamble F 2

Latest patents

Publication Filing date Title
US3873564A 2-Imidazolinyl-3-oxide-1-oxypropionic acid
FR2151103A1 Sun-tanning compsns - contg heterocyclic aromatic cpds absorbing erythemagenic uv radiation
US3927019A 1-Oxylimidazolinyl compounds used as stable free radical pH indicators
FR2108219A1 Limiting erythema of epidermis - by application of sunscreen cpd precursor
US3749644A Enzyme assay by metering changes of stable free radicals
US3706537A Free radical ph indicators
US3769210A Chalcogenides intercalated with ammonium and non-heavy metal inorganic salts and hydroxides
US3766064A Chalcogenides intercalated with ammonia hydrazine and organic nitrogen compounds
US3688109A X-ray diffraction grating crystals
US3689391A Method for chemically initiating photochemical reactions
US3668214A Oxazolidine-3-oxyl derivatives
US3673207A Oxazolidine-3-oxyl derivatives
US3740412A Imidazoline-3-oxide-1-oxyl derivatives
US3697535A 4,5-dihydroimidazoline-3-oxide-1-oxyl
US3697538A 2,4,5-substituted n-oxy and hydroxyimidazoles
US3507876A Pyrrolidine and piperidine nitroxide spin labelling compounds
US3489522A Electron spin resonance labeling of biomolecules
CA839266A Attaching groups for nitroxide spin labels
CA848449A 4,5-substituted n-oxy and hydroxy hydroimidazoles
CA865026A Metal-organic alloy composition and process of making same