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:
Oct. 20, 1981
Filed:
Feb. 07, 1979
Applicant:
Inventor:
Wilford D Harris, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264 455 ; 264 53 ; 264 54 ; 26432816 ; 26432817 ; 264D / ; 264D / ;
Abstract
Injection moldings have excellent surface gloss and freedom from sink marks are obtained using a pressurized mold and molding composition containing a volatile fluid foaming agent, a thermally decomposable foaming agent and a finely divided nucleating agent.
Harris, Wilford. (1981). Method of injection molding thermoplastic resinous products (U.S. Patent No. 4296055). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4296055
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile