IP Library › Granted Patent US 7,160,960
Granted Patent B2
US 7,160,960 · App. 11/061,661 · Granted Jan 9, 2007

Pressure sensitive adhesive composition and sheet, and adhered article

Assignee: Toyo Ink Manufacturing Co., Ltd.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,160,960
App. No.
11/061,661
Granted
Jan 9, 2007
Kind
B2
Abstract

An acryl-based solvent-type pressure sensitive adhesive composition comprising a base component containing a solvent soluble acryl-based polymer, a cross-linking agent, and acetyl acetone, is disclosed.

Claims (5)

1. An acryl-based solvent-type pressure sensitive adhesive composition comprising a base component containing a solvent soluble acryl-based polymer, a cross-linking agent, and acetyl acetone.

2. The pressure sensitive adhesive composition according to claim 1 , wherein acetyl acetone is contained in an amount of 0.01 to 2 parts by weight with respect to 100 parts by weight of the base component.

3. A pressure sensitive adhesive sheet comprising a substrate carrying on at least one major surface thereof a layer of the pressure sensitive adhesive composition according to claim 1 .

4. The pressure sensitive adhesive sheet according to claim 3 , wherein formaldehyde is released in an amount of not more than 0.05 μg/g, when heated in water at 90° C. for 2 hours.

5. An article wherein at least a portion thereof is adhered by the pressure sensitive adhesive composition according to claim 1 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 18, 2005
From: IIDA, HIROYUKI; TAKAMA, EIICHI
To: TOYO INK MANUFACTURING CO., LTD.
Reel/Frame 016318/0805 →
Continuity (1)
Related Publication 20050165146A1 · Jul 28, 2005