Polyester adhesive
Patent 4340526 Issued on July 20, 1982. Estimated Expiration Date: 
December 29, 2000. 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.
December 29, 2000. 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 Re27279 3725343 Partially crystalline copolyesters useful as adhesives Copolyester melt adhesive having improved flow characteristics containing di- and tri-benzoate modifier Patent #: 4172824 InventorsApplicationNo. 06/220407 filed on 12/29/1980US Classes:524/292, Carbonyl of a carboxylic acid or ester group directly attached to an aryl group, e.g., dipropylene glycol dibenzoate, etc.524/293, Carboxylic acid or ester groups each directly attached to separate aryl groups through the carbonyl of the carboxylic acid or ester group524/297Dioctyl or dibutyl ester, e.g., di-(2-ethylhexyl) phthalate, etc.ExaminersPrimary: Schofer, Joseph L.Assistant: Sarofim, N. Attorney, Agent or FirmInternational ClassesC08K 5/00 (20060101)C09J 167/02 (20060101) C09J 167/00 (20060101) C08K 5/103 (20060101) C08G 63/00 (20060101) C08G 63/199 (20060101) AbstractPolyesters comprising residues of terephthalic acid, 1,4-butanediol and 1,6-hexanediol or polyesters comprising residues of cyclohexanedicarboxylic acid, dimer acid and 1,4-cyclohexanedimethanol used as hot melt adhesives are found to have good adhesion, low melt viscosity and good viscosity stability when blended with certain monomeric ester plasticizers. | |
