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:
Nov. 23, 1976
Filed:
Aug. 06, 1975
Applicant:
Inventors:
Robert A VAN Brederode, Baytown, TX (US);
Joseph C Floyd, Baytown, TX (US);
Assignee:
Exxon Research and Engineering Company, Linden, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
2608 / ; 264-8 ; 264 12 ; 264 13 ; 528498 ; 528501 ;
Abstract
Finely powdered high density polymer may be obtained by spraying a solution of a critical maximum amount of a polymer, such as 3 weight % polypropylene in heptane, into a drying atmosphere in which said solvent has a vapor pressure of 50 to 400 mm of Hg.