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:
Jun. 28, 1994
Filed:
Mar. 22, 1993
Applicant:
Inventor:
Siegfried Hopperdietzel, Selb, DE;
Assignee:
Rehau AG & Co., Rehau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524269 ; 524505 ; 524524 ; 524529 ; 524536 ; 525105 ;
Abstract
The present invention provides a copolymer comprising polybutadiene and other olefinic saturated or unsaturated thermoplastics. The mixing ratio between the polybutadiene and the thermoplastics is 30:70 to 95:5 weight percent. Surface improving additives, such as polysiloxane, may be added in quantities from 0.5 to 6 weight percent. The copolymer may be used to produce medical and food compatible semi-finished or finished products.