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:
Sep. 18, 1990
Filed:
Oct. 28, 1988
Applicant:
Inventors:
Masayasu Kamada, Kusatsu, JP;
Toshihisa Maeda, Uji, JP;
Tadashi Kobayashi, Kyoto, JP;
Goro Shimizu, Ootsu, JP;
Assignee:
Matsui Shikiso Chemical Co., Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ;
U.S. Cl.
CPC ...
523201 ; 523205 ; 523206 ; 523207 ; 523351 ; 524277 ; 524487 ; 524488 ;
Abstract
Disclosed is a thermochromic color masterbatch for use in a thermoplastic resin comprising a wax having substantially homogeneously dispersed therein a thermochromic granular material which is coated with a hydrophilic high-molecular weight substance, said thermochromic granular material being a mixture of a thermochromic composition comprising an electron-donating chromogen, an electron acceptor and a solvent with a thermosetting resin.