U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Tearable composite strip of materials

Patent 4245630 Issued on January 20, 1981. Estimated Expiration Date: Icon_subject March 2, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2703083

2734503

3085024

3143208

Inventors

Assignee

Application

No. 06/017062 filed on 03/02/1979

US Classes:

604/358, Absorbent pad for external or internal application and supports therefor (e.g., catamenial devices, diapers, etc.)428/167, Parallel ribs and/or grooves428/172, Composite web or sheet428/189, Laterally noncoextensive components428/317.7, Composition of adhesive or bonding component specified428/319.9, Hydrocarbon polymer428/43, SHEET, WEB, OR LAYER WEAKENED TO PERMIT SEPARATION THROUGH THICKNESS602/42, Skin laceration or wound cover602/43Wound contact surface

Examiners

Primary: Thibodeau, Paul J.

Attorney, Agent or Firm

International Classes

A61F 13/02 (20060101)
A61L 15/16 (20060101)
A61L 15/58 (20060101)

Foreign Application Priority Data

1976-10-08 GB

Abstract

A composite strip material comprising at least a backing layer, an adhesive layer on a surface thereof, and a removable protective layer over and contacting and peelably adherent to at least part of the adhesive layer; wherein each layer is finger-tearable and wherein at least one layer is cleanly finger-tearable from any point along its length in a predetermined transverse direction, thereby to influence and facilitate transverse tear of any other layers present in a like cleanly finger-tearable manner to provide clearly defined separate units of any desired size.

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