Inventor

Katsuji Ueno

Inventor

Hirakata, JP

Overview

1976–1989

Patent span

Chemistry

Primary field (CPC C)

Patents· 23 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds32%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

C08LCompositions of macromolecular compounds17%

Y10TTechnical subjects covered by former us classification7%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials5%

B29BPreparation or pretreatment of the material to be shaped2%

B29CShaping or joining of plastics2%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%

C08JWorking-up2%

PatentTitleYear

4,824,905'Thermoplastic resin composition comprising polyamide, aromatic vinyl/unsaturated nitrile/rubbery polymer graft copolymer and aromatic vinyl/unsaturated nitrile/.alpha.-unsaturated carboxylic acid copolymer'1989 4,778,245'Optical communication cable'1988 4,758,242'Method for treating polyester fibers having melt anistrophy'1988 4,721,772'Process for producing aromatic polyamide with polar solvent containing sulfolane'1988 4,639,344'Process for producing formed articles of aromatic polyamide-imide resin'1987 4,606,930'Method for treating fibers'1986 4,560,740'Method for producing aromatic polyesters'1985 4,542,203'Method for producing branched aromatic polyesters'1985 4,503,005'Process for producing an aromatic polyester fiber'1985 4,454,284'Resin compositions containing polyphenylene oxide and olefin-glycidyl (meth)acrylate copolymer'1984 4,448,957'Process for producing aromatic polyamide-imide'1984 4,414,230'Plastic container improved in barrier properties against gases and water vapor'1983 4,385,168'Process for producing polyphenylene oxide'1983 4,338,410'Process for producing graft copolymers'1982 4,338,421'Resin composition'1982 4,315,086'Resin compositions'1982 4,313,870'Process for producing polycondensates'1982 4,311,823'Process for producing aromatic polyesters'1982 4,309,513'Novel resin compositions based on polyphenylene ether'1982 4,283,511'Method for producing modified polyphenylene oxides'1981 4,166,899'Isolation of aromatic polyester copolymers'1979 4,075,173'Process for the production of aromatic polyesters from hydroxybenzoic acid and products thereof'1978 3,939,117'Process for producing a polyarylene ester'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to SUMITOMO CHEMICAL CO (22)· patent assignee history

1976–1988Based in Hirakata, JP· patent location history

1988Patents assigned to JAPAN EXLAN CO LTD (1)· patent assignee history

1989Patents assigned to SUMITOMO NAUGATUCK (1)· patent assignee history

1989Based in Niihama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO CHEMICAL CO	22	1976–1988
JAPAN EXLAN CO LTD	1	1988
SUMITOMO NAUGATUCK	1	1989

Locations

Location	Patents	Span
Hirakata, JP	22	1976–1988
Niihama, JP	1	1989