World Intellectual Property Organization publishes Kekapar Administracao e Participacoes patent for phtalate-free primary plasticizer composition, method of production thereof

Andrew Rogers

GENEVA , January 4, 2013 (U.S. Fed News) – Publication No. WO/2012/174620 was published on Dec. 27, 2012.

Title of the invention: "PHTHALATE-FREE PRIMARY-PLASTICIZER COMPOSITION, METHOD FOR PRODUCING SAME AND USES THEREOF."

Applicants: KEKAPAR ADMINISTRACAO E PARTICIPACOES S/A. (BR) and HOCIKO Massayochi Mario (BR).

Inventors: Massayochi Mario Hociko (BR).

According to the abstract posted by the World Intellectual Property Organization: "The present invention aims to provide phthalate-free plasticizer compositions containing plant oil monoacetate as the main component, which can be used for processing halogen-containing polymers, preferably polyvinyl chloride, to improve the processability of same. A first embodiment of the invention relates to a plasticizer composition comprising plant oil derivatives, said derivatives being products of the esterification of epoxidized plant oils, mainly epoxidized plant oil monoacetates. A second embodiment of the invention relates to a method for producing a plasticizer containing epoxidized plant oil monoacetate as the main component, said method comprising the reaction between epoxidized plant oil, or a mixture of epoxidized plant oils, and glycerin triacetate, which are present in the reaction mass in a molar ratio ranging from about 2:1 to 4:1. In a third embodiment, the invention relates to the use of the phthalate-free plasticizer composition for preparing strands, cables or footwear."

The patent was filed on June 11, 2012 under Application No. PCT/BR2012/000176.

For further information please visit: http://www.wipo.int/patentscope/search/en/detail.jsf?docId=WO2012174620

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