Water-absorbent film construction

US6808776B2 · kind B2 · utility

Assignee

• Avery Dennison Corporation · US

Inventors

• Bernard S. Mientus · Painesville, US
• Dana M. Boyd · Rushville, US
• Ramin Heydarpour · Beverly Hills, US
• Sriram Vankatasanthanam · Chino Hills, US
• Prakash Mallya · Sierra Madre, US
• Norman Yamamoto · Yorba Linda, US
• Frank Y. Shih · Arcadia, US
• Chitto R. Sarkar · Brea, US
• Christine Hibberd · Irvine, US
• Zhisong Huang · Fremont, US
• Arthur G. Castillo · Chino Hills, US

Key dates

• Filing date: Mar 11, 2002
• Grant date: Oct 26, 2004
• Expiry date: Dec 27, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2839
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

This invention relates to a water-absorbent film construction, comprising: a water-absorbent film layer overlying a base layer, the water-absorbent film layer being comprised of at least about 40% by weight of at least one 2-oxazoline polymer.