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PURDUE FREDERICK CO

Overview
  • Total Patents
    69
About

PURDUE FREDERICK CO has a total of 69 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United States, Canada and Finland. Its main competitors in its focus markets pharmaceuticals, organic fine chemistry and macromolecular chemistry and polymers are BIOTA SCIENT MANAGEMENT PTY LTD, SS PHARMACEUTICAL CO and CHONG KUN DANG PHARM CORP.

Patent filings in countries

World map showing PURDUE FREDERICK COs patent filings in countries
# Country Total Patents
#1 United States 35
#2 Canada 20
#3 Finland 3
#4 Israel 3
#5 Argentina 2
#6 France 2
#7 Norway 2
#8 Denmark 1
#9 United Kingdom 1

Patent filings per year

Chart showing PURDUE FREDERICK COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sasmor Ernest J 14
#2 Shetty Bola V 8
#3 Cohen Sasson 8
#4 Fisher Abraham 7
#5 Halpern Alfred 7
#6 Hofer Peter 6
#7 Negrevergne G 5
#8 Mcfadden Arthur 5
#9 Pick Ernest W 3
#10 Sasson Cohen 2

Latest patents

Publication Filing date Title
US4731457A 1-substituted, 2,3-diphenyl-3-hydroxymethyl pyrrolidines, where the 2- and/or 3-phenyl can be substituted
US4639529A Analgesic and anti-inflammatory compounds
US4476311A Analgesic 4-carboxy-pyrrolidin-2-one compound
US4445626A Metering device for dispensing selected amounts of viscous material
US4392492A Apparatus for storing and dispensing liquid douche
US4443616A Production of 3-pyrrolin-2-ones
US4395552A Antimicrobial bis-imidazolo-pyridine compound
CA1112576A Aminosalicylate ester in sunscreen compositions
US4420487A Diuretic and antihypertensive benzimidazoles
US4364929A Germicidal colloidal lubricating gels and method of producing the same
US4281138A Antimicrobial bis-benzimidazale compounds
CA1126280A Benzimidazole and benzimidazolidine derivatives with diuretic and antihypertensive activity
US4214059A Method for the production of iodophor powders
US4170300A Dressing change kits
US4183938A 1,8-Ethano-5-oxo-octa- and -decahydroquinolines and mydriatic compositions thereof
US4167186A Syringe, such as a vaginal douche, and cannula thereof
US4113857A Process for the preparation of iodophor compounds and methods for stabilizing iodophor pharmaceutical compositions containing the same
US4119544A Settling container
CA1113486A Ultra-violet filtration with certain aminosalicylic acid esters
IL51296D0 Antiarrhythmic composition comprising a quinuclidine-3-carboxylic acid anilide and novel method for the preparation of such anilides