Inventor

Michel Longuet

Inventor

Strasbourg, FR

Overview

7→

Patents

1985–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 7 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds23%

C08JWorking-up15%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients15%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%

D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material8%

D21HPulp compositions8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

6,268,407'Compositions and articles of manufacture'2001 4,916,180'Butyl rubber/polypropylene elastoplastic'1990 4,877,832'Thermoset resin compositions'1989 4,855,337'Heterogeneous polymers'1989 4,837,252'Polymer-asphalt mixing process'1989 4,537,915'Char resistant foams'1985 4,500,591'Foam rubber backings for composite materials having glass fiber substrates coated with PVC'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to POLYSAR INT SA (2)· patent assignee history

1985Based in Haguenau, FR· patent location history

1989–1990Patents assigned to POLYSAR LTD (3)· patent assignee history

1989Patents assigned to POLYSAR FINANCIAL SERVICES SA (1)· patent assignee history

1989–1990Based in Strasbourg, FR· patent location history

1989Based in Sarnia, CA· patent location history

2001Patents assigned to CABOT CORP (1)· patent assignee history

2001Based in Neuily, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
POLYSAR LTD	3	1989–1990
POLYSAR INT SA	2	1985
CABOT CORP	1	2001
POLYSAR FINANCIAL SERVICES SA	1	1989

Locations

Location	Patents	Span
Strasbourg, FR	3	1989–1990
Haguenau, FR	2	1985
Neuily, FR	1	2001
Sarnia, CA	1	1989