Water-dispersible pressure-sensitive adhesive and tape made therewith
Patent 4413080 Issued on November 1, 1983. Estimated Expiration Date: 
June 21, 2002. 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.
June 21, 2002. 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 2838421 3441430 3661874 3865770 InventorAssigneeApplicationNo. 06/390638 filed on 06/21/1982US Classes:524/187, Contains rosin or derivative DNRM428/355AC, Including addition polymer from alpha-beta unsaturated carboxylic acid (e.g., acrylic acid, methacrylic acid, etc.) or derivative thereof428/356, Including metal or compound thereof or natural rubber524/272Solid polymer derived from at least one ethylenic compound containing a carboxylic acid or derivativeExaminersPrimary: Kight, III, JohnAssistant: Moore, M. L. Attorney, Agent or FirmInternational ClassesC09J 133/08 (20060101)C09J 193/00 (20060101) C09J 193/04 (20060101) C09J 7/04 (20060101) C09J 133/06 (20060101) C08L 71/00 (20060101) C08L 71/02 (20060101) AbstractWater-dispersible pressure-sensitive adhesive useful for splicing carbonless paper without deactivating its color-generating system. Certain acrylate:acrylic acid copolymers are blended with acidic rosin or rosin derivative, partially neutralized with KOH in combination with NaOH and/or LiOH, and plasticized with an oily water-soluble polyoxyethylene compound. Repulpable splicing tapes can be made with the adhesive. | |
