Use of hydroxycarboxylic acid oligomers as adhesives, manufacturing method and hydroxycarboxylic acid oligomers obtained
US9040638B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Oct 27, 2010 |
| Grant date | May 26, 2015 |
| Priority date | — |
| Expiry date | Jul 25, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2230/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a method of using at least one functionalized hydroxycarboxylic acid oligomer as an adhesive for bonding materials. Also described is a process for manufacturing functionalized hydroxycarboxylic acid oligomers including at least one stage for polycondenzation of a hydroxycarboxylic acid and a functional agent, as well as functionalized hydroxycarboxylic acid oligomers that can be obtained and the adhesive compositions that include them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.