Invention Grant
- Patent Title: Hydrogels based on aliphatic NCO prepolymers
- Patent Title (中): 基于脂肪族NCO预聚物的水凝胶
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Application No.: US11977278Application Date: 2007-10-24
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Publication No.: US08133509B2Publication Date: 2012-03-13
- Inventor: Burkhard Kohler , Michael Mager , Stefanie Eiden , Johan Kijlstra
- Applicant: Burkhard Kohler , Michael Mager , Stefanie Eiden , Johan Kijlstra
- Applicant Address: DE Leverkusen
- Assignee: Bayer MaterialScience AG
- Current Assignee: Bayer MaterialScience AG
- Current Assignee Address: DE Leverkusen
- Agency: Connolly Bove Lodge & Hutz LLP
- Priority: DE102006050793 20061027
- Main IPC: A01N59/06
- IPC: A01N59/06 ; A61K33/12 ; A61K9/00 ; A61K33/30 ; A61K33/34 ; A61K33/38 ; A61K6/083 ; A61K8/72 ; A61F13/00 ; A61P17/02 ; A61P31/04
Abstract:
The invention concerns novel hydrogels, a process for the preparation of these hydrogels and would contact materials comprising these hydrogels. These polyurethane hydrogels are obtained by the reaction of aliphatic isocyanate prepolymers with polyols comprising tertiary nitrogen in water.
Public/Granted literature
- US20080102126A1 Novel hydrogels based on aliphatic NCO prepolymers Public/Granted day:2008-05-01
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