Decorative laminates

• US 3,049,458 A
• Filed: 07/03/1959
• Issued: 08/14/1962
• Est. Priority Date: 07/03/1959
• Status: Expired due to Term

• Current Assignee: Paul E. Willard
• Original Assignee: Paul E. Willard
• Inventors: Willard, Paul E.
• Application Number:
  US03/824,766
• Time in Patent Office: 1,138 Days
• US Class Current: 156/281
• CPC Class Codes: B32B 27/00 Layered products comprising a layer of synthetic resin fibrous or filamentary layer made of a synthetic resin B32B5/02; particulate layer made of a synthetic resin B32B5/16; foamed layer made of a synthetic resin B32B5/18
• CPC Class Codes: C08F 18/08 Vinyl acetate
• CPC Class Codes: D21H 17/36 Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
• CPC Class Codes: D21H 27/26 characterised by the overlay sheet or the top layers of the structures decorative panels B44C5/04; wood grain effects B44F9/02
• CPC Class Codes: D21J 1/16 Special fibreboard
• CPC Class Codes: F22G 7/065 for locomotive boilers

Claims

3. DRY, FLEXIBLE LAMINATING STOCK WHICH COMPRISES CELLULOSE DECORATIVE PAPER OF ABOUT 4-6 MILS THICKNESS IMPREGNATED WITH 64-68% BY WEIGHT OF DIALLY PHTHALATE, 9098% OF SAID DIALLYL PHTHALATE BEING THERRMOPLASTIC POLYMER HAVING A MOLECULAR WEIGHT IN THE RANGE OF 2,50025,000 AND THE REMAINING 2-10% BEING MONOMER;

A CATALYTIC AMOUNT OF AN ORGANIC PEROXIDE AND AN EFFECTIVE AMOUNT OF A RELEASE AGENT;

SAID DECORATIVE PAPER CONTAINING A RESIDUAL VOLATILE CONTENT LESS THAN ABOUT 8%, BY WEIGHT OF PAPER, MEASURED AS MATERIAL VOLATILE AFTER HEATING THE DRIED PAPER FOR 10 MINUTES AT 320*F.