WIPO publishes K-C Worldwide patent for 'biodegradable and flushable multi-layered film' that can be used as backsheet of an absorbent article

GENEVA , January 5, 2014 () – Publication No. WO/2014/001923 was published on Jan. 3.

Title of the invention: "BIODEGRADABLE AND FLUSHABLE MULTI-LAYERED FILM."

Applicants: KIMBERLY-CLARK WORLDWIDE INC. (US).

Inventors: James Hongxue Wang (US) and Gregory James Wideman (US).

According to the abstract* posted by the World Intellectual Property Organization: "A biodegradable and flushable film is generally provided. The film can be a multi-layer film including a water-dispersible core layer that comprises a water- soluble polymer; and a water-barrier skin layer positioned adjacent to the water- dispersible core layer. The water-dispersible core layer constitutes from about 50 wt.% to about 99 wt.% of the film, while the water-barrier skin layer constitutes from about 1 wt.% to about 50 wt.% of the film. The biodegradable polymers of the water-barrier skin layer can constitute from about 80 wt.% to 100 wt.% of the polymer content in the water-barrier skin layer, with from about 10 wt.% to about 90 wt.% of the biodegradable polymers being polyalkylene carbonate and from about 10 wt.% to about 90 wt.% of the biodegradable polymers being biodegradable polyesters. The film may be used as a packaging film or as a backsheet of an absorbent article."

The patent was filed on May 22, 2013 under Application No. PCT/IB2013/054249.

*For further information, including images, charts and tables, please visit: http://www.wipo.int/patentscope/search/en/detail.jsf?docId=WO2014001923

For any query with respect to this article or any other content requirement, please contact Editor at htsyndication@hindustantimes.com

(c) 2014 US Fed News (HT Syndication)

* All content is copyrighted by Industry Intelligence, or the original respective author or source. You may not recirculate, redistrubte or publish the analysis and presentation included in the service without Industry Intelligence's prior written consent. Please review our terms of use.