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:
Jan. 17, 1978
Filed:
Nov. 07, 1975
Applicant:
Inventors:
Werner Gey, Offenbach (Main), DT;
Wolfgang Langhauser, Bergen-Enkheim, DT;
Helmut Heinze, Frankfurt am Main, DT;
Hans-Joachim Rothe, Bischofsheim, DT;
Peter Freund, Bad Vilbel, DT;
Assignee:
Zimmer Aktiengesellschaft, Frankfurt, DT;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
260 / ; 260 / ;
Abstract
A separating or anticaking agent consisting of spherical glass particles having a diameter of 3 to 30.mu. is added to polyester resin granulates to prevent agglomeration during solid state polycondensation in a plug-flow reactor. Thin-walled articles formed from the end product are characterized by high strength, high transparency, crystal clear color, good gas impermeability and a smooth surface.