Inventor

Toru Seita

Inventor

Shinnanyo, JP

Overview

37→

Patents

1977–1993

Patent span

Chemistry

Primary field (CPC C)

Patents· 37 as inventor

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

C08Jprimary

C08JWorking-up28%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds18%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals12%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%

B01DSeparation9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

C08LCompositions of macromolecular compounds3%

C07CAcyclic or carbocyclic compounds1%

C07DHeterocyclic compounds1%

PatentTitleYear

5,229,229'Pellicle having reflection-preventing function'1993 5,212,043'Photoresist composition comprising a non-aromatic resin having no aromatic structures derived from units of an aliphatic cyclic hydrocarbon and units of maleic anhydride and/or maleimide and a photosensitive agent'1993 5,204,425'Polyalicyclic polyacrylic acid ester derivatives'1993 5,202,217'Solubilization-inhibitor and positive resist composition'1993 5,171,785'Film for pellicle'1992 5,132,059'Process for producing a polyvinyl formal ultrafiltration membrane'1992 4,983,495'Positive resist patterns'1991 4,900,420'Process for preparing a highly selective fluorinated anion exchange membrane'1990 4,822,721'A method of image-wise exposing and developing halogen-containing polyacrylate derivatives'1989 4,765,905'Method for recovering acids from an aqueous solution of the acids and metal salts by means of a fluorinated anion exchange membrane'1988 4,752,635'Halogen-containing polyacrylate derivatives'1988 4,693,796'Method for manufacturing cation exchange membrane'1987 4,659,744'Fluorocarbon anion exchangers and processes for their preparation'1987 4,622,112'Process for preparing chlorinated polyvinyl aromatic compounds'1986 4,567,206'Fluorocarbon polymers and processes for their preparation'1986 4,537,910'Method of producing cation-exchange membrane having roughed surface'1985 4,431,504'Cation-exchange membrane for electrolyzing alkali metal halide'1984 4,367,147'Method of recovering characteristics of deteriorated cation exchange membrane'1983 4,316,781'Method for electrolyzing alkali metal halide'1982 4,295,944'Electrolysis of aqueous solution of alkali metal chloride'1981 4,205,134'Carrier for liquid chromatography'1980 4,200,538'Process for preparing cation-exchange membrane'1980 4,189,540'Process for producing cation exchange membrane by impregnating a diene monomer having carboxylic acid groups into a fluorinated membrane having cation exchange groups and polymerizing'1980 4,189,361'Electrolysis of sodium chloride'1980 4,174,426'Method of improving characteristic of cation-exchange membrane by swelling in water miscible organic solvent and treating further with hydrochloric acid'1979 4,154,909'Process for producing cation exchange membrane by treatment of fluorinated polymer containing sulfonyl halide groups with amine and vinyl monomer'1979 4,148,979'Method of improving characteristics of cation-exchange membrane by swelling in water miscible organic solvent'1979 4,136,237'Process for preparing cation-exchange membrane by polymerizing lactone ring containing unsaturated monomer in the presence of fluorinated polymer'1979 4,132,682'Process for preparing cation-exchange membrane'1979 4,128,706'Carrier for liquid chromatography'1978 4,119,590'Process for producing a polyion complex having a nucleic acid base'1978 4,108,804'Process for preparation of chromatography solid supports comprising a nucleic acid base-epoxy group containing porous gel'1978 4,107,097'Process for preparing polycation-polyanion electrolyte complexes having carboxylic acid and alkenyl radical substituents and films thereof'1978 4,066,827'Process for producing a polyion complex having a nucleic acid base'1978 4,065,414'Polyion complex and polyion complex film'1977 4,056,666'Process for producing polyion complex having nucleic acid bases'1977 4,035,558'Process for producing organic-inorganic polyion complex'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1989Patents assigned to TOYO SODA MFG CO LTD (28)· patent assignee history

1977–1990Based in Shinnanyo, JP· patent location history

1978Patents assigned to HASHIMOTO TSUTOMU (1)· patent assignee history

1978Patents assigned to KATO YOSHIO (1)· patent assignee history

1986–1987Patents assigned to SAGAMI CHEM RES (2)· patent assignee history

1986Based in Yamaguchi, JP· patent location history

1988–1993Based in Atsugi, JP· patent location history

1990–1993Patents assigned to TOSOH CORP (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYO SODA MFG CO LTD	28	1977–1989
TOSOH CORP	8	1990–1993
SAGAMI CHEM RES	2	1986–1987
HASHIMOTO TSUTOMU	1	1978
KATO YOSHIO	1	1978

Locations

Location	Patents	Span
Shinnanyo, JP	27	1977–1990
Atsugi, JP	9	1988–1993
Yamaguchi, JP	1	1986