White biaxially oriented film made from a crystallizable...

Details White biaxially oriented film made from a crystallizable... White biaxially oriented film made from a crystallizable...

2005-02-01

2005-02-01

Dye, Rena (Department: 1774)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C428S213000, C428S144000, C428S035700, C428S034700, C428S480000, C428S701000, C428S702000

Reexamination Certificate

active

06849325

ABSTRACT:
The invention relates to a white film with a thickness of from 10 to 500 μm whose principal constituent is a crystallizable thermoplastic. It also has to comprise at least one titanium dioxide of the rutile type as white pigment and at least one optical brightener. The optical brightener and/or the titanium dioxide are fed as a masterbatch during film production. A white film of this type is particularly suitable for interior decoration, for constructing exhibition stands, for exhibition requisites, for displays, for placards, for labels, in the fitting out of shops or of stores, as a promotional requisite or as a laminating material or for applications associated with food or drink.

REFERENCES:
patent: 4145480 (1979-03-01), Kusama et al.
patent: 4384040 (1983-05-01), von Meer
patent: 5660931 (1997-08-01), Kim et al.
patent: 5900294 (1999-05-01), Murschall et al.
patent: 5935903 (1999-08-01), Goss et al.
patent: 6107390 (2000-08-01), Maeda et al.
patent: 0 857 749 (1998-08-01), None
Merriam-Webster's Collegiate Dictionary, Tenth Edition, pp. 1303 and 1323.

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