Patents Assigned to Societe de Conditionnement et Industrie Societe Anonyme Ceisa
  • Heat-shrinkable polyethylene film of high clarity which is easy to open for the wrapping of groups of products
    Patent number: 6268044
    Abstract: The film according to the invention comprises a central layer, representing at least 30% of the total thickness of the film, composed of a mixture comprising at least 50% by weight of radical polyethylene and of ionomeric plastic, the remainder being conventional linear polyethylene, sandwiched between two outer layers composed of a mixture comprising more than 50% by weight of linear polyethylene, the remainder being radical polyethylene. Application: in the wrapping of groups of products.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: July 31, 2001
    Assignee: Societe de Conditionnement et Industrie Societe Anonyme Ceisa
    Inventor: Michel Grangette
  • Heat-shrinkable polyethylene film of high clarity for the wrapping of groups of products
    Patent number: 6187397
    Abstract: The film comprises a central layer, composed of a mixture of radical low density polyethylene and of conventional linear polyethylene, sandwiched between two outer layers comprising at least 50% by weight of conventional linear polyethylene, with a relative density of 0.918-0.930, which are devoid of metallocene linear polyethylene, each of the outer layers having a thickness representing 5 to 25% of the total thickness of the film.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: February 13, 2001
    Assignee: Societe de Conditionnement et Industrie Societe Anonyme Ceisa
    Inventor: Michel Grangette