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. 07, 1982
Filed:
Mar. 11, 1981
Applicant:
Inventor:
Chi F Tung, Mahtomedi, Washington County, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
428144 ; 524520 ; 525199 ; 523172 ; 428463 ; 428483 ; 428500 ; 428433 ;
Abstract
Compositions comprising copolymers of methyl methacrylate and ethyl acrylate and of vinylidene fluoride and hexafluoropropylene may be blended to form transparent compositions of low refractive index, making them useful in retroreflective products as a layer in which glass microspheres are embedded.
Tung, Chi. (1982). Ultra-high-index glass microspheres and products made therefrom with a (U.S. Patent No. 4348312). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4348312
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile