Surface-modified methyl methacrylate polymer based...

Details Surface-modified methyl methacrylate polymer based... Surface-modified methyl methacrylate polymer based...

2007-05-01

2007-05-01

Nakarani, D. S. (Department: 1773)

Coating processes

Restoring or repairing

C427S163100, C427S255390, C427S490000

Reexamination Certificate

active

10483570

ABSTRACT:
A transparent, monolithic or laminated sheet material based on a methyl methacrylate homopolymer or copolymer, the laminated material having at least one of its two outer layers made of the methyl methacrylate homopolymer or copolymer, characterized in that the monolithic sheet of methyl methacrylate homopolymer or copolymer or at least one outer layer of methyl methacrylate homopolymer or copolymer of the laminated sheet has, in the region of the surface, over a depth of at least 50 nanometers from the surface, an increase in its average density of 0.1 to 1 g/cm3, the average density being determined by X-ray reflectometry.

REFERENCES:
patent: 5310571 (1994-05-01), Meadows
patent: 295 02 546 (1995-05-01), None
patent: 61-162008 (1986-07-01), None
PTO 2006-3349, Translation of the German Document 295 02 546; Publication Date May 18, 1995.
PTO 2006-3322, Translation of Japanese Document JP 61-162008; Publication Date Jul. 22, 1986.

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