Adhesive composition
    9.
    发明授权

    公开(公告)号:US2259490A

    公开(公告)日:1941-10-21

    申请号:US15305337

    申请日:1937-07-10

    Inventor: ROBINSON JOHN E

    CPC classification number: C09J131/04 C08L5/00 C08L2666/02 C08L2666/26

    Abstract: 510,826. Synthetic resin adhesives. AMERICAN CAN CO. May 17, 1938, No. 14662. Convention date, July 10, 1937. [Class 2 (iii)] A thermoplastic adhesive comprises a minor proportion of Dammar gum and a major proportion of polyvinyl acetate which have been mixed together at a temperature of from 250‹ to 400‹F. in the absence of solvents. The ingredients are preferably mixed in a kneading machine at a temperature of from 250‹ to 350‹F. The adhesive may be used in the manufacture of fibre containers such as are described in Specifications 470,098 and 470,174, [both in Group XVII]. Specification 410,506 also is referred to. According to the Specification as open to inspection under Sect. 91, the adhesive comprises a mixture of any natural resin with any synthetic resin. This subject-matter does not appear in the Specification as accepted.

Patent Agency Ranking