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. 19, 1993
Filed:
Sep. 14, 1990
Applicant:
Inventors:
Tadao Ishibashi, Ichihara, JP;
Kazuhiro Yamada, Ichihara, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428213 ; 428516 ; 428910 ;
Abstract
An opaque and pearlescent, laminated and stretched product comprises a layer (A) and a layer (B) overlaid on and laminated by melt-adhesion to at least one side of the layer (A). The layer (A) forms a uniform layer comprising 97 to 70% by weight of a crystalline polypropylene and 3 to 30% by weight of a cyclopentadiene type petroleum resin having a softening point of 160.degree. C. or higher and stretched in at least one direction. The layer (B) comprising a crystalline polypropylene whose crystalline melting point is higher or lower than that of the crystalline polypropylene forming the layer (A) by less than 10.degree. C.