Graft-modified polymers based on novel propylene ethylene...

Details Graft-modified polymers based on novel propylene ethylene... Graft-modified polymers based on novel propylene ethylene...

2005-04-26

2005-04-26

Seidleck, James J. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S207000, C525S221000, C525S240000, C525S069000, C526S351000

Reexamination Certificate

active

06884850

ABSTRACT:
Propylene ethylene copolymers with an ethylene content between 8 and 32 mole % have been grafted with maleic anhydride and a peroxide. The functionality level is higher than what is reported with polypropylene.

REFERENCES:
patent: 5047462 (1991-09-01), Kehr et al.
patent: 5367022 (1994-11-01), Kiang et al.
patent: 6002064 (1999-12-01), Kobylivker et al.
patent: 6288171 (2001-09-01), Finerman et al.

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