Hydrophilic biodegradable adhesives
US8652293B2 · kind B2 · utility
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61References
10Claims
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Key dates
| Filing date | Apr 5, 2012 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | Jul 9, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J175/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A moisture-curable and biodegradable adhesive that includes the reaction product of: (a) an isocyanate component having an average functionality of at least 2; (b) an active hydrogen component having an average functionality greater than 2.1; and (c) an ionic salt component having an average hydroxyl or amino functionality, or combination thereof, of at least 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.