Plastics pipes of polyolefins

Details Plastics pipes of polyolefins Plastics pipes of polyolefins

2006-10-19

2009-02-03

Rábago, Roberto (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S130000, C526S352000, C526S348000, C264S464000, C264S472000, C264S476000, C264S477000, C264S563000

Reexamination Certificate

active

07485685

ABSTRACT:
Plastics pipes comprise polyolefins which can be prepared by means of a fluorine-modified chromium catalyst and are used for transporting gases and liquids.

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