Inventor

David Ian Richards

Inventor

North Humberside, GB

Overview

3→

Patents

1997–1998

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.

C08Bprimary

C08BPolysaccharides43%

C08HDerivatives of natural macromolecular compounds43%

B27NManufacture by dry processes of articles, with or without organic binding agents, made from particles or fibres consisting of wood or other lignocellulosic or like organic material14%

PatentTitleYear

5,821,359'Acetylation of lignocellulosic fibres'1998 5,777,101'Acetylation of lignocellulosic materials'1998 5,608,051'Acetylation of lignocellulosic materials'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to BP CHEM INT LTD (1)· patent assignee history

1997–1998Based in North Humberside, GB· patent location history

1998Patents assigned to A CELL ACETYL CELLULOSICS (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
A CELL ACETYL CELLULOSICS	2	1998
BP CHEM INT LTD	1	1997

Locations

Location	Patents	Span
North Humberside, GB	3	1997–1998