Inventor

Hirotsugu Miyauchi

Inventor

Tokyo, JP

Overview

1978–1986

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

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

C08Jprimary

C08JWorking-up34%

C07CAcyclic or carbocyclic compounds16%

C07DHeterocyclic compounds16%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds16%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals14%

B01DSeparation2%

Y10TTechnical subjects covered by former us classification2%

PatentTitleYear

4,613,467'Fluorosulfonylperfluoroalkyl compounds'1986 4,597,913'Intermediates for fluorinated cation exchange membrane'1986 4,555,369'Fluorinated ether acyl fluorides having alkylthio or alkylsulfone groups'1985 4,536,352'Perfluoro vinyl ethers'1985 4,511,518'Perfluorinated fluorosulfonylalkyleneoxy-2-propanoyl fluoride and hexafluoroepoxide addition compounds'1985 4,510,328'Fluorinated vinyl ether compounds and process for producing the same'1985 4,414,338'Cation exchange membrane'1983 4,382,123'Fluorinated cation exchange membrane and process for preparing the same'1983 4,332,665'Fluorinated cation exchange membrane'1982 4,329,435'Novel fluorinated copolymer with tridihydro fluorosulfonyl fluoride pendant groups and preparation thereof'1982 4,329,434'Novel fluorinated cation exchange membrane and process for producing the same'1982 4,246,353'Melt processing of fluorinated polymers'1981 4,209,367'Electrolysis of aqueous alkali metal halide solution'1980 4,151,053'Cation exchange membrane preparation and use thereof'1979 4,126,589'Method for preparation of cation exchange membranes'1978 4,123,336'Process for electrolysis of aqueous alkali metal halide solution'1978 4,093,568'Process for production of perfluorocarbon type cation exchange membrane'1978 4,072,793'Reinforced ion-exchange membrane'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1986Patents assigned to ASAHI CHEMICAL IND (18)· patent assignee history

1978–1980Based in Kawasaki, JP· patent location history

1979–1985Based in Kanagawa, JP· patent location history

1981–1986Based in Tokyo, JP· patent location history

1982Based in Ota, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI CHEMICAL IND	18	1978–1986

Locations

Location	Patents	Span
Tokyo, JP	10	1981–1986
Kawasaki, JP	5	1978–1980
Kanagawa, JP	2	1979–1985
Ota, JP	1	1982