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:
Oct. 19, 2004
Filed:
May. 06, 2003
Applicant:
Inventor:
Chieh-Jen Wu, Kao-Hsiung, TW;
Assignee:
Cheng Loong Corporation, Taipei Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/02 ; B28B 3/20 ;
U.S. Cl.
CPC ...
B32B 7/02 ; B28B 3/20 ;
Abstract
A waterproof heat-preservative film is formed by providing a melt of a waterproof material, mixing phase-change microcapsules with the melt to form a mixture, solidifying the mixture and pulverizing the solidified mixture to form particles containing phase-change microcapsules, and forming a film with the particles by means of extruding or blowing.