Polyvinyl acetal resins based on hydroxyaldehydes and use of the resins in laminar structures
US5332774A · kind A · utility
16Cited by
12References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1992 |
| Grant date | Jul 26, 1994 |
| Priority date | — |
| Expiry date | Oct 16, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31645
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Plasticized polyvinyl acetal resins based on 4-hydroxybutanal are disclosed. Laminar structures that include the resins, a process for making the resins, and a process for making an internally plasticized polyvinyl acetal resin by esterification, are also revealed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.