Patents by Inventor Franco Ranalli

Franco Ranalli has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Process for preparing gas-, vapor- and odor-proof coupled and coextruded multilayer articles of thermoplastic material and closed-surface bodies comprising the same

Patent number: 4244914

Abstract: There is disclosed a new process for preparing coupled and coextruded multilayer articles (consisting of two or more layers) made of thermoplastic materials, and closed-surface bodies comprising the same.

Type: Grant

Filed: June 5, 1978

Date of Patent: January 13, 1981

Assignees: Montedison S.p.A., Leone Ortolani

Inventors: Franco Ranalli, Leone Ortolani, Quinto Tisi

Process for preparing gas-, vapor- and odor-proof coupled and coextruded multilayer articles of thermoplastic material and closed-surface bodies comprising the same