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:
Feb. 06, 2001
Filed:
Dec. 09, 1998
Applicant:
Inventors:
Kazuhiro Yamazaki, Niihama, JP;
Hiroyuki Tanimura, Sodegaura, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 ;
U.S. Cl.
CPC ...
B32B 5/16 ;
Abstract
A fine particle for modifying polyolefine is provide. The fine particle comprises (i) a core layer having a refractive index which differs from that of the polyolefine by 0.05 or less and (ii) a shell layer having a solubility parameter which differs from that of the polyolefine by 3 MPa,or less, wherein the core layer is coated with the shell layer. The fine particle is excellent in affinity with polyolefine, and can modify polyolefine without accompanying damage on the transparency of the polyolefine.