Inventor
John B. Cooper
Inventor
Lasne, BE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Mprimary
B41MPrinting, duplicating, marking, or copying processes45%
B01FMixing, e.g. dissolving, emulsifying or dispersing9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C07CAcyclic or carbocyclic compounds9%
D21HPulp compositions9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
9,975,094Reactive flow static mixer with cross-flow obstructions20186,509,295'Record material for pressure-sensitive copying systems'20035,130,289'Pressure sensitive record material'19924,970,192'Pressure-sensitive copying paper'19904,962,072'Pressure sensitive record material'19904,851,384'Record material'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1992Patents assigned to WIGGINS TEAPE GROUP LTD (4)· patent assignee history
1989Based in High Wycombe, GB· patent location history
1990–1992Based in Lasne, BE· patent location history
1990Based in Stokenchurch, GB· patent location history
2003Patents assigned to ARJO WIGGINS LTD (1)· patent assignee history
2003Based in Hampshire, GB· patent location history
2018Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (1)· patent assignee history
2018Based in West Columbia, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WIGGINS TEAPE GROUP LTD | 4 | 1989–1992 |
| ARJO WIGGINS LTD | 1 | 2003 |
| DOW GLOBAL TECHNOLOGIES LLC | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lasne, BE | 2 | 1990–1992 |
| West Columbia, Texas, US | 1 | 2018 |
| Hampshire, GB | 1 | 2003 |
| Stokenchurch, GB | 1 | 1990 |
| High Wycombe, GB | 1 | 1989 |