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FIRST CHEMICAL CORP

Overview
  • Total Patents
    81
About

FIRST CHEMICAL CORP has a total of 81 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and optics are HUBEI GURUN TECH CO, YAMAGUCHI SHUHEI and SHANGHAI BNCSCITECH CO LTD.

Patent filings per year

Chart showing FIRST CHEMICAL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Muller August John 15
#2 Hoyle Charles E 15
#3 Bayer Arthur C 14
#4 Barker Robert Bridges 13
#5 Bowers Joseph Stanton Jr 13
#6 Adams Earl George 13
#7 Eubanks John Robert Ira 12
#8 Nagarajan Rajamani 12
#9 Adams Earl G 12
#10 Miller Christopher W 10

Latest patents

Publication Filing date Title
US6018078A Stabilized N-nitrosohydroxylamines
BR9908044A Light-curing compositions including maleimides and processes for using them
WO9850437A1 Biradical photoinitiators
WO9833764A1 Aminobenzophenones and photopolymerizable compositions including same
US5939581A Processes for preparing hydrocinnamic acid
BR9709761A Photoactive compounds for use with ultraviolet (uv) curing systems of narrow ona length range.
US6025408A Liquid thioxanthone photoinitiators
WO9735916A1 Methods of curing unsaturated polymers using tertiary aromatic amine cure promoters
US5712401A Processes for preparing thioxanthone and derivatives thereof
DE4427678A1 Process for transesterifying a carboxylic acid
US5128059A Ring-alkylated m-phenylene diamine blends for use in curing epoxy resins
US5075379A Rubber/diamine blends for use in curing epoxy resins
ES2019827A6 Process for the co-production of an aromatic monoamine and an aromatic diamine
US4986920A Selective recovery of a nitrophenolic by-product from nitration waste water by precipitation
US4986917A Selective recovery of a nitrophenolic by-product from nitration waste water by extraction
US5030759A Selective N-alkylation of aniline in the presence of zeolite catalysts
US5081302A Selective c-alkylation of aniline in the presence of zeolite catalysts to para-aniline
US5081303A Co-production of an aromatic monoamine and an aromatic diamine directly from benzene or a benzene derivative through controlled nitration and reduction
US5049639A Ring-alkylated m-phenylene diamine blends for use in curing epoxy resins
US4925565A Process for extracting and disposing of nitrophenolic by-products