Inventor

Erik Lindgren

Inventor

Bohus, SE

Overview

21→

Patents

1978–2009

Patent span

Textiles

Primary field (CPC D)

Patents· 21 as inventor

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

D21Hprimary

D21HPulp compositions54%

A61LMethods or apparatus for sterilising materials or objects in general6%

C01BNon-metallic elements6%

C07CAcyclic or carbocyclic compounds6%

G08BSignalling systems, e.g. personal calling systems6%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%

C02FTreatment of water, waste water, sewage, or sludge3%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture3%

D04HMaking textile fabrics, e.g. from fibres or filamentary material3%

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials3%

PatentTitleYear

7,488,402'Process for production of paper'2009 7,318,881'Process for sizing paper'2008 6,918,995'Process for the production of paper'2005 6,846,384'Process for sizing paper'2005 6,818,100'Process for sizing paper'2004 6,485,555'Sizing composition'2002 6,306,255'Sizing of paper'2001 6,165,259'Aqueous dispersions of hydrophobic material'2000 6,103,064'Process for the production of paper'2000 6,093,217'Sizing of paper'2000 6,083,347'Absorbent material and production thereof'2000 6,074,529'Method for reducing the content of organic solvent in cellulose-reactive hydrophobing agents'2000 5,969,011'Sizing of paper'1999 5,938,894'Absorbent cellulosic material and production thereof'1999 5,776,347'Method for reducing the content of organic solvent in cellulose-reactive hydrophobing agents'1998 5,607,552'Aqueous suspensions of colloidal particles, preparation and use of the suspensions'1997 5,603,805'Silica sols and use of the sols'1997 5,603,997'Packaging material process for producing same and use thereof'1997 5,374,335'Sized paper, process for producing same and use thereof'1994 4,156,816'Optical fire-detector'1979 4,119,949'Fire detector utilizing two bandwidths of radiation'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1979Patents assigned to ERICSSON TELEFON AB L M (2)· patent assignee history

1978–1979Based in Stockholm, SE· patent location history

1994–2000Patents assigned to EKA NOBEL AB (5)· patent assignee history

1994–2009Based in Bohus, SE· patent location history

1997Patents assigned to NOBEL AB (1)· patent assignee history

1999–2009Patents assigned to AKZO NOBEL NV (10)· patent assignee history

1999–2000Patents assigned to EKA CHEMICALS AB (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AKZO NOBEL NV	10	1999–2009
EKA NOBEL AB	5	1994–2000
EKA CHEMICALS AB	3	1999–2000
ERICSSON TELEFON AB L M	2	1978–1979
NOBEL AB	1	1997

Locations

Location	Patents	Span
Bohus, SE	19	1994–2009
Stockholm, SE	2	1978–1979