Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2007-03-20
2007-03-20
Choi, Ling-Sui (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S348100, C526S160000, C526S943000
Reexamination Certificate
active
10512389
ABSTRACT:
The present invention is concerned with single layer articles produced by rotomoulding and consisting essentially of metallocene-produced syndiotactic polypropylene or isotactic random copolymer of propylene.
REFERENCES:
patent: 5457159 (1995-10-01), Fassina et al.
patent: 5888636 (1999-03-01), Asanuma et al.
patent: 6124400 (2000-09-01), Chien
patent: 6770714 (2004-08-01), Ommundsen et al.
patent: 0 780 431 (1997-06-01), None
Maziers Eric
Smits Valérie
Choi Ling-Sui
Jackson William D.
Krueger Tenley R.
Total Petrochemicals Research Feluy
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