Poly(lactic acid)-containing compositions for use in imparting oil, grease, or water resistance to paper
US8137818B2 · kind B2 · utility
1Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2009 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Aug 26, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Herein disclosed is a composition containing from about 5 weight parts to about 50 weight parts of a branched polylactic acid; from about 50 weight parts to about 95 weight parts of water; and from about 0.1 weight parts to about 1 weight part of a first surfactant. The composition can be coated onto a substrate containing paper or paperboard and having a first surface and a second surface, to form a paper product having oil, grease, and moisture resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.