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:
Feb. 02, 1993
Filed:
Feb. 27, 1990
Applicant:
Inventors:
Gaetano Guerra, Salerno, IT;
Vincenzo M Vitagliano, Napoli, IT;
Paolo Corradini, Napoli, IT;
Enrico Albizzati, Arona, IT;
Assignee:
Himont Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
525132 ; 525151 ; 526346 ; 5263472 ; 528481 ; 528502 ; 428402 ;
Abstract
Articles of syndiotactic styrene polymer where the polymer is present predominantly in a new crystalline form characterized by an X-ray spectrum which presents reflections of maximum intensity at 2 .theta.of 12.2.degree. and 20.0.degree., where in the 2 .theta. range from 15.degree. to 18.degree. no reflections of appreciable intensity appear.