Inventor

Yutaka Kayane

Inventor

Ibaraki, JP

Overview

1982–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 39 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Bprimary

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments57%

D06PDyeing or printing textiles13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

C07DHeterocyclic compounds12%

C07CAcyclic or carbocyclic compounds3%

C09DCoating compositions, e.g. paints, varnishes or lacquers1%

C09KMaterials for miscellaneous applications, not provided for elsewhere1%

PatentTitleYear

6,277,966'Azo-compounds and dye polarizing films containing them'2001 6,136,970'Asymmetric dioxazine compounds and method for dyeing or printing fiber materials using the same'2000 5,606,092'Monoazo compounds and method for dyeing or printing fiber materials using the same'1997 5,488,101'Trisazo compounds, method for dyeing fiber materials, paper or leather using the same and inks containing the same'1996 5,488,098'Monoazo compounds having vinylsulfone type fiber reactive group and method for dyeing or printing fiber materials using the same'1996 5,486,607'Dioxazine blue dye compound having vinylsulfone type fiber reactive groups'1996 5,478,936'Asymmetric dioxazine compounds and method for dyeing or printing fiber materials using the same'1995 5,359,040'Monoazo compounds having naphthylazonaphtylamino group and use therefor for dyeing or printing fiber materials'1994 5,308,362'Fiber reactive yellow dye composition'1994 5,286,881'Process for producing benzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials'1994 5,266,696'1-aminoanthraquinone dye compound having fiber reactive group through sulfur or oxygen atom at 4-position and imparting red color'1993 5,259,850'Granular type reactive dye compositions and methods for dyeing and printing cellulose fibers using the same'1993 5,235,046'Triazine compounds and method for dyeing or printing fiber materials using the same'1993 5,223,616'Heterocyclic disperse dye compound, their production and their use for dyeing or printing of hydrophobic fibers'1993 5,131,917'Fiber reactive red dye composition'1992 5,116,956'Polyazo dye compounds having vinylsulfone type and pyridinium type fiber reactive groups'1992 5,112,971'Anthraquinone dye compounds having fibers reactive group'1992 5,112,959'Polyazo dye compounds having plural vinylsulfone type fiber reactive groups in one molecule'1992 5,037,965'Monoazo red dye compound having vinylsulfone type fiber reactive groups'1991 4,977,261'Anthraquinone compound'1990 4,975,094'Anthrapyridone compounds having vinylsulfone type fiber reactive group through triazinyl bridging group'1990 4,937,326'Reactive scarlet dyes having both monochlorotriazinyl and vinylsulfone type reactive groups linked via N-alkylated amino'1990 4,934,009'Stabilized aqueous liquid composition of fiber-reactive azo dye: mixture with vinyl-sulphonyl and beta-sulphato ethyl-sulphonyl substituents for low temperature stability'1990 4,843,149'Fiber reactive yellow dye of acetoacetonilide having vinyl sulfone-type reactive group'1989 4,842,614'Demineralization of aqueous liquid dye composition'1989 4,841,027'Process for preparing phenyl- and naphthylazo-aminonaphthol sulphonic acids'1989 4,841,031'Reactive dye having both monochlorotriazinyl and vinylsulfone type reactive groups'1989 4,832,698'Aqueous liquid composition of vinylsulfone type reactive dyes in lithium salt form and buffer'1989 4,751,300'Production of dioxazine compound'1988 4,701,524'Pyridone monoazo compound having vinylsulfone type fiber-reactive group'1987 4,698,421'Fiber-reactive disazo brown dye having vinylsulfone-type reactive group'1987 4,631,341'Anthraquinone compound having both monohalogenotriazinyl and vinylsulfone type fiber reactive groups'1986 4,626,589'Organic dye compound having both pyridiniotriazinyl and vinylsulfone type fiber-reactive groups'1986 4,618,671'4-methyl-pyridone monoazo compound having both monochlorotriazinyl and vinylsulfone type fiber-reactive groups'1986 4,548,612'Halo-triazine and vinylsulfone reactive dye composition with buffer for storage stability'1985 4,540,418'Reactive dye composition'1985 4,511,507'Monoazo compound having both monochlorotriazinyl and vinylsulfone type reactive groups'1985 4,378,313'Reactive yellow dye having both monochlorotriazinyl and vinylsulfone type reactive groups'1983 4,341,699'Reactive red dye having both monochlorotriazinyl- and vinylsulfone-type reactive groups'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2000Patents assigned to SUMITOMO CHEMICAL CO (38)· patent assignee history

1982–1989Based in Moriguchi, JP· patent location history

1985–1996Based in Ibaraki, JP· patent location history

1989–1990Based in Sakai, JP· patent location history

1992–2001Based in Ikoma, JP· patent location history

1993–1994Based in Nara, JP· patent location history

2001Patents assigned to SUMITOMOCHEMICAL COMPANY LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	38	1982–2000
SUMITOMOCHEMICAL COMPANY LTD	1	2001

Locations

Location	Patents	Span
Ibaraki, JP	17	1985–1996
Ikoma, JP	13	1992–2001
Moriguchi, JP	4	1982–1989
Nara, JP	2	1993–1994
Sakai, JP	2	1989–1990