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.

Date of Patent:
Mar. 30, 2021

Filed:

May. 31, 2017
Applicant:

Ptt Public Company Limited, Bangkok, TH;

Inventors:

Jirawut Junkasem, Bangkok, TH;

Narin Kaabbuathong, Bangkok, TH;

Vivan Thammongkol, Bangkok, TH;

Janjira Paiboolsuk, Bangkok, TH;

Supattra Hemmood, Bangkok, TH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 67/02 (2006.01); C08J 3/22 (2006.01); C08K 5/02 (2006.01); C08K 9/00 (2006.01); C08K 11/00 (2006.01); C08L 67/04 (2006.01);
U.S. Cl.
CPC ...
C08L 67/02 (2013.01); C08J 3/22 (2013.01); C08K 5/02 (2013.01); C08K 9/00 (2013.01); C08K 11/005 (2013.01); C08L 67/04 (2013.01); C08K 2201/018 (2013.01);
Abstract

This invention discloses a bioplastic composition comprising biomass as a component comprising a plastic compound resin comprising polybutylene succinate (PBS), polylactic acid (PLA), and additives selected from biomass from the coffee roasting processes, i.e. silver skin of coffee (SSC); and/or at least one fluoropolymer or fluoropolymer derivative as a friction reducing agent. This invention also relates to a process of pretreating the silver skin coffee for using as an additive for bioplastic resin to produce various products or using as a natural color masterbatch together with other plastics via extrusion, injection molding, compression and thermoforming processes in the industrial level.


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