PVA-containing compositions

Details PVA-containing compositions PVA-containing compositions

2007-10-09

2007-10-09

Lipman, Bernard (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C264S211000, C524S383000, C524S388000, C524S389000, C524S399000, C524S400000, C524S425000, C524S503000

Reexamination Certificate

active

10990062

ABSTRACT:
An extrudable PVA-containing composition is disclosed, which enables PVA articles to be manufactured on conventional extrusion apparatus. The compositions includes a lubricant, such as a fatty acid amide, most preferably octodecanamide and is most preferably formed into pellets by cold pressing.,The compositions are suitable for manufacturing a variety of products.

REFERENCES:
patent: 4571315 (1986-02-01), Gerontopoulos
patent: 4724121 (1988-02-01), Weyand
patent: 5552461 (1996-09-01), Redd
patent: 5852114 (1998-12-01), Loomis
patent: 5948848 (1999-09-01), Giltsoff
patent: 970280 (1997-09-01), None
patent: WO98/26911 (1998-06-01), None

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