Learn more

AMERICAN COLOR & CHEM

Overview
  • Total Patents
    144
About

AMERICAN COLOR & CHEM has a total of 144 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets basic materials chemistry, textiles and paper and machines are HOECHST MITSUBISHI KASEI, DYSTAR JAPAN LTD and CIBA COMPANY INC.

Patent filings per year

Chart showing AMERICAN COLOR & CHEMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Botros Raouf 40
#2 Renfrew Edgar E 9
#3 Desai Kishor A 7
#4 Marchesi Primo 6
#5 Huffman Allan M 6
#6 Raufu Botoroosu 4
#7 Botros Raouf Dr 4
#8 Zanella Dominic A 3
#9 Raofu Botorosu 3
#10 Michalowicz William A 3

Latest patents

Publication Filing date Title
US5453202A Method for treatment of impounded sludges, soils and other contaminated solid materials
US5656178A Method for treatment of contaminated materials with superheated steam thermal desorption and recycle
US4581144A Method for treatment of impounded material (sludges) from the chemical treatment of spent sulfuric acid with lime
US4292248A Preparation of hydroxyanthraquinones
US4235806A Cationic α-cyano-p-(N-benzyl-N-ethylamino)cinnamoyl dyes
US4355012A Mixed anthraquinonedisulfonic acids
US4248777A Process for preparing Acid Red 151
US4204994A Azoanilino-toluene sulfonamidoalkyleneamine cationic disazo dyes for paper
US4211697A Azoanilino-toluene sulfonamidoalkyleneamine cationic dyes for paper
US4194973A Method of lowering the color of effluent which contains aryl azo- or aryl nitro-containing compounds
US4227879A Concentrated direct dye solution
KR820001153B1 Method of lowering the color of effluent which contains aryl azoor aryl nitro-containing compounds
AU3427078A A method of lowering the coloring of effluent which contain aryl, azo, or aryl nitro-containing compounds
JPS5338780A Polyester dyed by orthoo nitrophenylazoo22naphthol dyestuff
GB1576770A Azo dyes containing a benzthiazolyl group
US4141892A Process for preparing p-[[p-(phenylazo)phenyl]azo]phenol
GB1572194A Acyldihydroxybenzene derivatives their use as chromophoric compounds and materials dyed therewith
DE2714664A1 Monoazo dispersion dyes from acyl dihydroxy benzene cpds., - for use on metal-modified polyolefin fibres
US4097231A Metal-containing polypropylene dyed with monoazo 1-aryl-3-alkyl-5-pyrazolones
US4083683A Metal-containing polypropylene dyed with 1,4-bis-(2'-methyl-6'-ethylanilino)anthraquinone