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HELENA CHEMICAL COMPANY

Overview
  • Total Patents
    12
About

HELENA CHEMICAL COMPANY has a total of 12 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets basic materials chemistry, chemical engineering and machines are VNII SELSKOKHOZYAISTVENNOI BIO, STRATACOR INC and NEUDORFF W GMBH KG.

Patent filings in countries

World map showing HELENA CHEMICAL COMPANYs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Australia 1
#3 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing HELENA CHEMICAL COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roberts Johnnie R 11
#2 Volgas Greg 4
#3 Thomas James 3
#4 Volgas Gregory C 3
#5 Mack Robert 1
#6 Roberts Johnnie 1

Latest patents

Publication Filing date Title
US6541424B2 Manufacture and use of a herbicide formulation
US6232272B1 Manufacture and use of herbicide chlorinated phenoxy formulation
USRE37313E Homogeneous, essentially nonaqueous adjuvant compositions with buffering capability
US5877112A Agricultural formulation
US5906961A Alkanolamide spreader-sticker surfactant combination
US5580567A Homogeneous, essentially nonaqueous adjuvant compositions with buffering capability
US5393791A Homogeneous, essentially nonaqueous adjuvant compositions with buffering capability
US5234919A Water soluble, highly active dimethoate formulations in an alcohol/ester solvent system
US5178795A Homogeneous, essentially nonaqueous adjuvant compositions with buffering capability