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Inventor

Per Wolff

Inventor
Birkerod, DK

Overview

13→
Patents
1977–2010
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
C08JWorking-up8%
C08LCompositions of macromolecular compounds8%
G02BOptical elements, systems or apparatus8%
Y10TTechnical subjects covered by former us classification8%
A61BDiagnosis6%
A61FFilters implantable into blood vessels6%
A61LMethods or apparatus for sterilising materials or objects in general6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
A47CChairs3%
PatentTitleYear
7,816,460'Low polydispersity poly-HEMA compositions'20107,256,246'Low polydispersity poly-hema compositions'20076,846,892'Low polydispersity poly-HEMA compositions'20055,756,144'Medical instrument with a hydrophilic, low-friction coating and method of preparation'19985,416,131'Article with a coating having friction-reducing properties in wet condition as well as a method for the production of such a coated article'19955,226,935'Air humidification apparatus'19935,114,240'Method and a device for preparing a mixture of a solid and a liquid component'19925,108,690'Mat for supporting a person in an upright position and process for obtaining a resilient article having a static module which is stable over a long period'19924,376,867'Chemical process'19834,291,088'Foam products from furfuryl alcohol-amino-formaldehyde'19814,273,887'Process for preparation of foams by condensation reactions'19814,258,705'Magnetic system for use in sealing body openings'19814,016,111'Non-burning, class 1 rating, foams and a method of producing same'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to LEER KONINKLIJKE EMBALLAGE (3)· patent assignee history
1977Based in Birkeroed, DK· patent location history
1981Patents assigned to COLOPLAST AS (1)· patent assignee history
1981–2010Based in Birkerod, DK· patent location history
1983Patents assigned to JANSEN GERT (1)· patent assignee history
1983Based in DK-3460 Birkeroed, DK· patent location history
1992Patents assigned to CELLASTIC AS (1)· patent assignee history
2005–2010Patents assigned to JOHNSON & JOHNSON VISION CARE (3)· patent assignee history
2005–2007Based in Birkerød, DK· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNSON & JOHNSON VISION CARE32005–2010
LEER KONINKLIJKE EMBALLAGE31977–1981
CELLASTIC AS11992
COLOPLAST AS11981
JANSEN GERT11983
Locations
LocationPatentsSpan
Birkerod, DK91981–2010
Birkerød, DK22005–2007
DK-3460 Birkeroed, DK11983
Birkeroed, DK11977