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:
Jul. 30, 1996
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Corrado Brichta, Milan, IT;
Francesco Mascia, Como, IT;
Amodio Di Somma, Milan, IT;
Gabriele Torregiani, Varese, IT;
Antonio Addeo, Novara, IT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525313 ; 525208 ; 525221 ; 525232 ; 525240 ; 525244 ; 525286 ; 525298 ; 525322 ; 525914 ;
Abstract
Crystalline propylene (co)polymers modified by grafting with a vinylpolybutadiene having 1,2-structure content of at least l0%. The (co)polymers are reacted with a liquid vinylpolybutadiene in the presence of a non-peroxidic radical initiator at a temperature in the range 200.degree. to 350.degree. C., the liquid vinylpolybutadiene having a 1,2-structure content of at least 10% and being generally used in amounts within the range 0.5 to 20% by weight.