Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2007-09-18
2007-09-18
Nutter, Nathan M. (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...
C525S208000, C525S222000, C525S225000, C525S240000
Reexamination Certificate
active
10914541
ABSTRACT:
The present invention relates to a masterbatch composition which contains a polyolefin base resin, polymethylmethacrylate (PMMA) pearls and a further polymeric compound obtained at least from olefinic monomers, olefinic monomers containing an ester functionality and olefinic monomers containing an ether functionality, as well as to the masterbatches obtained from this composition. The present invention is further directed to monolayer as well as multilayer films which are made using the inventive masterbatches, their methods of production and the use of said films for packaging purposes.
REFERENCES:
patent: 5124407 (1992-06-01), Fontana et al.
patent: 6476111 (2002-11-01), Beauchemin et al.
patent: 6670035 (2003-12-01), Pittman et al.
“Atofina launches new epoxy-containing terpolymer additive,” May 14, 2003, □□http://www.specialchem4polymers.com/resources/latest/displaynews.aspx?id=1256&or=s215420—102—&q=lotader+.
Daponte Tony
Janssens Marcel
A. Schulman Plastics N.V.
Nutter Nathan M.
Sutherland & Asbill & Brennan LLP
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