1
Philippe Corsi, Sylvianne Traversier: Anti-blocking composite polyester films. Rhone Poulenc Films, May 24, 1991: FR2654674-A1 (33 worldwide citation)

The subject of the invention is anti-blocking composite polyester films constituted by a support film made of semicrystalline oriented polyester carrying, on at least one of its faces, a coating constituted by a mixture of a fluoropolymer and a copolyester with sulphonyloxy groups, which is optional ...


2
Abel Buisine, Philippe Corsi, Marcel Eyraud: Polyester films, their use for obtaining composite films and resultant composite films. Rhone Poulenc Films, Burns Doane Swecker & Mathis, September 7, 1993: US05242757 (26 worldwide citation)

Orientated semi-crystalline polyester films characterized in that they have a planar orientation coefficient .DELTA.p of greater than or equal to 165.times.10.sup.-3 and a degree of transverse shrinkage of less than or equal to 2.7% at 200.degree. C.


3
Corsi Philippe, Eyraud Marcel: Composite polyester films.. Rhone Poulenc Films, March 27, 1985: EP0135451-A1 (26 worldwide citation)

L'invention concerne des films minces polyesters multicouches biétirés, utilisables comme support de bandes magnétiques. Les films selon l'invention sont caractérisés en ce qu'au moins une couche externe possède une rugosité originale reportée et caractérisée par la présence d'au moins 5 dômes/mm, l ...


4
Pierre Grosjean: Thick composite polyester films. Rhone Poulenc Films, Burns Doane Swecker & Mathis, November 28, 1989: US04883706 (22 worldwide citation)

Thick, composite polyester films, well adapted as base films, e.g., for the graphic arts, are comprised of a crystalline or semicrystalline polyester film substrate (A) having a thickness of at least 40 micrometers, said film substrate (A) having a coating, e.g., a coextrudate, of a sulfonated copol ...


5
Dominique Charmot, Pierre Grosjean: Novel oriented polyester film composites. Rhone Poulenc Films, Burns Doane Swecker & Mathis, November 14, 1989: US04880700 (22 worldwide citation)

Oriented polyester film composites comprise, on at least one face surface of the polyester base, a primer coating adapted to enhance the adhesion of topcoats thereto, said adhesive primer coating comprising a modified copolymer produced by aqueous phase radical polymerization of at least one acrylic ...


6
Philippe Corsi, Marcel Eyraud: Biaxially drawn, composite polyester film substrates. Rhone Poulenc Films, Burns Doane Swecker & Mathis, October 7, 1986: US04615939 (22 worldwide citation)

Biaxially drawn, advantageously filled multilayer polyester film substrates, well adapted for the manufacture of magnetic recording tapes, are comprised of a composite of at least two adjacent layers of biaxially stretched thermoplastic polyester film, at least one of the face surfaces thereof havin ...


7
Buisine Abel, Corsi Philippe, Eyraud Marcel: Polyester films, their use in the preparation of composite films and these composite films.. Rhone Poulenc Films, July 25, 1990: EP0378955-A1 (21 worldwide citation)

Procédé d'obtention de films composites constitués par un film polyester support comportant sur au moins une de ses faces une couche de polymère oléfinique, consistant à déposer par extrusion-couchage un film dudit polymère oléfinique sur au moins une face d'un film polyester support présentant un c ...


8
Jacques Barbey, Marie Oldile Jacquier: Biaxially drawn, filled polyester film substrates. Rhone Poulenc Films, Burns Doane Swecker & Mathis, March 31, 1987: US04654249 (20 worldwide citation)

Biaxially drawn, filled polyester film substrates, well adapted for the manufacture of magnetic recording tapes, are comprised of a biaxially stretched thermoplastic film matrix including a particulate filler material distributed therethrough, said filler material comprising (a) from about 0.01% to ...


9
Marcel Eyraud: Stretched, composite polyester films usable particularly for graphic arts. Rhone Poulenc Films, Burns Doane Swecker & Mathis, June 20, 1989: US04840836 (14 worldwide citation)

A thick composite polyester film of between 40 and 300 microns in thickness being crystalline or semicrystalline comprising drawn unfilled layer (A) of thickness e, covered on at least one surface thereof with a thin drawn filled layer (B) of thickness e.sub.2, having an overall roughness greater th ...


10
Grosjean Pierre: Method of making thick composite polyester films with improved adhesion, and films obtained.. Rhone Poulenc Films, July 27, 1988: EP0275801-A1 (12 worldwide citation)

L'invention concerne un procédé pour améliorer l'adhérence des films polyester d'épaisseur supérieure à 40 micromètres à leurs revêtements finals d'application qui consiste à mettre en place sur ces films, par coextrusion, une couche primaire d'adhérence constituée par un copolyester sulfoné comport ...



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