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:
Dec. 11, 1990
Filed:
Aug. 22, 1989
Applicant:
Inventors:
Neil F Mitchell, Santa Barbara, CA (US);
Lie K Djiauw, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
428220 ; 525 93 ; 524505 ;
Abstract
The properties of polymer films which contain thermoplastic block copolymer compositions and ethylene/vinyl acetate copolymers are improved by the addition of small amounts of polystyrene. Specific improvements have been made in elastically and tensile strength as well as in reduced die build-up during processing.
Mitchell, Neil. (1990). Thermoplastic block copolymer films (U.S. Patent No. 4977014). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4977014
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile