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:
Jan. 12, 2010
Filed:
Dec. 19, 2005
Kenichi Takase, Kanuma, JP;
Takashi Kawada, Kanuma, JP;
Akira Iwamoto, Kanuma, JP;
JSP Corporation, , JP;
Abstract
A foamed sheet of a base resin containing 50 to 100% by weight of a polylactic acid resin and having an apparent density of 63 to 630 kg/m, a thickness of 0.5 to 7 mm and endothermic and exothermic calorific values of ΔHand ΔH, respectively, as measured by heat flux differential scanning calorimetry at a heating rate of 2° C./min. The endothermic calorific value ΔHis at least 10 J/g and the difference (ΔH−ΔH) between the endothermic calorific value ΔHand the exothermic calorific value ΔHis less than 40 J/g. A foam molding such as a receptacle is prepared by thermoforming the foamed sheet.