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DONLAR CORP

Overview
  • Total Patents
    205
About

DONLAR CORP has a total of 205 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and environmental technology are BIOKRONE S A DE C V, ADVANCED BIOLOGICAL MARKETING INC and BIOPHARMA RES S A.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Koskan Larry P 70
#2 Ross Robert J 56
#3 Meah Abdul Rehman Y 41
#4 Low Kim C 39
#5 Sanders J Larry 34
#6 Mazo Jacob 24
#7 Batzel Daniel A 23
#8 Harms David J 19
#9 Kneller James F 17
#10 Mazo Grigory Ya 17

Latest patents

Publication Filing date Title
WO9963819A1 Plants grown utilizing poly (organic acid) as a nutrient absorption enhancer
US6447717B1 Composition and method for inhibition of metal corrosion
US5998492A Super-absorbing polymeric networks
US6277302B1 Inhibition of metal corrosion
EP0915987A2 POLY-($g(a)-L-ASPARTIC ACID), POLY-($g(a)-L-GLUTAMIC ACID) AND COPOLYMERS OF L-ASP AND L-GLU, METHOD FOR THEIR PRODUCTION AND THEIR USE
US5998491A Super-absorbing polymeric networks
US5939517A Production of succinimide copolymers in cyclic carbonate solvent
US5935909A Treatment of tree seedlings to enhance survival rate
US5939522A Production of polysuccinimide and polyaspartate in thioether solvents
US5756595A Production of polysuccinimide in cyclic carbonate solvent
US5827512A Method for the treatment of bronchial asthma and like hypersensitivity diseases by administration of anionic polymers
US5783523A Method and composition for enhanced hydroponic plant productivity with polyamino acids
US5814582A Method for enhanced plant productivity
US5861356A Method and composition for enhanced plant productivity comprising fertilizer and cross-linked polyamino acid
US5854177A Method for enhanced hydroponic plant productivity with polymeric acids
US6005069A Production of polysuccinimide and derivatives thereof in a sulfur-containing solvent
US5872285A Production of D,L-aspartic acid
US5635447A Polyorganic acids and their analogues to enhance herbicide effectiveness
US5646133A Polyaspartic acid and its analogues in combination with insecticides
CA2199466A1 Superabsorbing polymeric networks