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DYNAPOL CORP

Overview
  • Total Patents
    230
About

DYNAPOL CORP has a total of 230 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, Australia and France. Its main competitors in its focus markets foods and drinks, organic fine chemistry and basic materials chemistry are QINGDAO ZHONGREN ZHIYE BIOTECHNOLOGY CO LTD, XI AN YINGPU BIOTECHNOLOGY CO LTD and UENO SEIYAKU OYO KENKYUJO KK.

Patent filings per year

Chart showing DYNAPOL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dawson Daniel J 32
#2 Weinshenker Ned M 22
#3 Crosby Guy A 22
#4 Dubois Grant E 18
#5 Bunes Leonard A 16
#6 Wang Patricia C 16
#7 Wingard Jr Robert E 14
#8 Wingard Robert E 13
#9 Dale James A 11
#10 Otteson Kenneth M 11

Latest patents

Publication Filing date Title
US4532128A Quaternary ammonium group-containing polymers having antimicrobial activity
US4489197A Polymeric active methylene compounds
US4526933A Polymeric active methylene compounds, their preparation and their use in azo polymers
US4482680A Quaternary ammonium group-containing polymers having antimicrobial activity
US4381402A Steviol compounds
US4393174A Base hydrolysis of pendant amide polymers
US4490557A Ethylidene bisformamide, its preparation and use in preparing poly(vinylamine) and salts thereof
US4397997A Ultraturbulent coupling of polymeric diazonium salts
US4386206A Tertiary amides as solvents in anthrapyridone syntheses
US4382800A Free amine-containing polymeric dyes
US4393175A Process for the continuous diazotization of water-soluble polymeric amines
US4403072A Alkoxyethanols as solvents for coupling sulfonyl halides to polymeric amines
US4402990A Steviolmonoside analogs
US4404367A Glucosubstituented diterpenoid sweeteners
US4454290A Stevioside analogs
US4353889A Rebaudioside analogs
US4375357A Water-soluble fast polymeric black colorant, its preparation and use in dyes and inks
US4381185A Water-fast printing with water-soluble dyes
CA1142921A Red colors
AU7109781A Isoquinoline derivatives