Inventor

Charles A. Midgley

Inventor

Sarnia, CA

Overview

3→

Patents

1985–1989

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 as inventor

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

C09Jprimary

C09JAdhesives50%

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 material25%

Y10TTechnical subjects covered by former us classification25%

PatentTitleYear

4,803,240'Styrene grafted isoprene psa\'s'1989 4,540,739'Adhesive polymer latex'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 (1)· patent assignee history

1985Patents assigned to POLYSAR LTD (1)· patent assignee history

1985Based in Sarnia, CA· patent location history

1989Patents assigned to BASF CORP (1)· patent assignee history

1989Based in Hixson, TN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF CORP	1	1989
POLYSAR INT SA	1	1985
POLYSAR LTD	1	1985

Locations

Location	Patents	Span
Sarnia, CA	2	1985
Hixson, TN, US	1	1989