| US 7,572,843 B2 | ||
| Poly(vinylalcohol)-co-poly(vinylamine)polymers comprising functional moieties | ||
| Walter L. Renz, Brookfield, Conn. (US); Ramanathan Ravichandran, Suffern, N.Y. (US); Andrew J. Naisby, Yorktown Heights, N.Y. (US); Joseph Suhadolnik, Yorktown Heights, N.Y. (US); Mervin Gale Wood, Mobile, Ala. (US); and Rong Xiong, Dobbs Ferry, N.Y. (US) | ||
| Assigned to Ciba Specialty Chemicals Corporation, Tarrytown, N.Y. (US) | ||
| Appl. No. 10/499,855 PCT Filed Dec. 16, 2002, PCT No. PCT/EP02/14321 § 371(c)(1), (2), (4) Date Jun. 21, 2004, PCT Pub. No. WO03/054030, PCT Pub. Date Jul. 03, 2003. |
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| Claims priority of provisional application 60/420439, filed on Oct. 22, 2002. | ||
| Claims priority of provisional application 60/342324, filed on Dec. 21, 2001. | ||
| Prior Publication US 2005/0020729 A1, Jan. 27, 2005 | ||
| Int. Cl. B32B 5/16 (2006.01) | ||
| U.S. Cl. 523—160 [428/334; 428/328; 428/32.34] | 19 Claims |
1. A functional moiety-containing PVOH/PVAm copolymer represented as
 t is greater than or equal to 1,
s+t=z,
z is between about 3 and about 50 mole percent,
m is the remainder of the mole percent and where
FUNCTIONAL MOIETY is at least one functional moiety-containing compound, which compounds contain at least one functional moiety
selected from the group consisting of hydroxyphenylbenzotriazole and hydroxphenyltriazine moieties.
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