The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 21, 2015
Filed:
Mar. 29, 2012
Robert Quintana, Mons, BE;
Olivier Persenaire, Mons, BE;
Leila Bonnaud, Mons, BE;
Philippe Dubois, Mons, BE;
Yahia Lemmouchi, London, GB;
Robert Quintana, Mons, BE;
Olivier Persenaire, Mons, BE;
Leila Bonnaud, Mons, BE;
Philippe Dubois, Mons, BE;
Yahia Lemmouchi, London, GB;
British American Tobacco (Investments) Limited, London, GB;
Abstract
The present invention relates to water-dispersive biodegradable compositions which may be formed into films and fibers. The present invention also relates to polymer blends comprising polylactide and water-soluble polymers. More particularly, the present invention relates to the use of grafted copolymers (PLA-grafted water-soluble polymers) for the compatibilization of PLA and water-soluble polymers. Such reactive compatibilization of immiscible polymer blends is achieved in such a way that main blend components are covalently bonded. In addition, such reactive compatibilization can be carried out by reactive extrusion.