Inventor

David J. Hardman

Inventor

Kent, GB

Overview

7→

Patents

1995–2007

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.

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture14%

D21HPulp compositions14%

C12NMicroorganisms or enzymes10%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms10%

B01LChemical or physical laboratory apparatus for general use7%

G01NInvestigating or analysing materials by determining their chemical or physical properties7%

A24CMachines for making cigars or cigarettes3%

PatentTitleYear

7,303,923'Biochemical and immunochemical assay device'2007 6,573,108'Biochemical and immunochemical assay device'2003 5,972,691'Dehalogenation of polyamine, neutral curing wet strength resins'1999 5,871,616'Dehalogenation of organohalogen-containing compounds'1999 5,857,561'Tobacco conveyor belt'1999 5,843,763'Dehalogenation of organohalogen-containing compounds'1998 5,470,742'Dehalogenation of organohalogen-containing compounds'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1999Patents assigned to HERCULES INC (4)· patent assignee history

1995–2003Based in Kent, GB· patent location history

1999Patents assigned to SCAPA GROUP PLC (1)· patent assignee history

1999Based in Canterbury, GB· patent location history

1999Based in Bury, GB· patent location history

2003–2007Patents assigned to DIAMATRIX LTD (2)· patent assignee history

2007Based in Herne Bay, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HERCULES INC	4	1995–1999
DIAMATRIX LTD	2	2003–2007
SCAPA GROUP PLC	1	1999

Locations

Location	Patents	Span
Kent, GB	4	1995–2003
Herne Bay, GB	1	2007
Canterbury, GB	1	1999
Bury, GB	1	1999