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| Number | Title | Issue Date |
| 5783643 | Polymer compositions comprising electroactive amphiphilic organic compounds and electroconductive shaped articles produced therefrom Polymeric compositions well suited for conversion into electroconductive shaped articles, e.g., films, comprise at least one convertible polymer (Pm) and at least one amphiphilic organic compound (B) which comprises a charge transfer complex or a radical ... | 07/21/1998 |
| 5739261 | Preparation of oxysulfonylated polyesters Oxysulfonylated polyesters, well suited for conversion into oriented composite polyester films, are prepared by polycondensing a lower alkyl diester of at least one aliphatic dicarboxylic acid and a lower alkyl diester of at least one aromatic dicarboxyli... | 04/14/1998 |
| 5476707 | Composite polyester films suitable in particular as supports for magnetic recording materials, and magnetic recording materials thus produced The invention relates to composite films consisting of a semicrystalline polyester substrate film, free from filler and with a roughness Ra lower than or equal to 0.01 μm, carrying on at least one of its faces a coating based on a modified polymer obtain... | 12/19/1995 |
| 5409657 | Process for making oriented semicrystalline polyester films Disclosed are semicrystalline polyester oriented films having the properties of MD F5ࣙ18 daN/mm2, TD F5ࣙ10 daN/mm2, MDEࣙ800 daN/mm2, TDEࣙ400 daN/mm2, MDE+TDEࣙ1200 daN/mm2, MDS 105ࣘ1.5%, MD... | 04/25/1995 |
| 5331056 | Electroconductive polymer compositions produced from polymerizable amphiphilic heterocycles Polymer compositions, typically thermoplastic polymer compositions, readily converted into electroconductive polymers and articles shaped therefrom, e.g., films, comprise at least one convertible polymer support substrate (A) and at least one amphiphilic ... | 07/19/1994 |
| 5294474 | Composite polyester films and their use as protective layers for photopolymer plates, and photopolymer plates comprising said films The invention relates to semicrystalline biorientated composite polyester films comprising a thick filled or unfilled layer and, on at least one of the faces of the layer (A), a coextruded polyester layer (B) whose thickness is less than that of the layer... | 03/15/1994 |
| 5242757 | Polyester films, their use for obtaining composite films and resultant composite films Orientated semi-crystalline polyester films characterized in that they have a planar orientation coefficient Ɗp of greater than or equal to 165×10-3 and a degree of transverse shrinkage of less than or equal to 2.7% at 200° C. These films ar... | 09/07/1993 |
| 4977032 | Composite PVDC-coated polyester films Composite, typically coextruded polyvinylidene chloride (PVDC)-coated polyester films, well adapted, e.g., as packaging materials, include a sulfonated copolyester interlayer which serves as a primer for improvedly adhering the PVDC topcoat to the polyest... | 12/11/1990 |
| 4883706 | Thick composite polyester films 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 coatin... | 11/28/1989 |
| 4880700 | Novel oriented polyester film composites 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 r... | 11/14/1989 |
| 4868064 | Composite PVDC-coated polyester films Composite, typically coextruded polyvinylidene chloride (PVDC)-coated polyester films, well adapted, e.g., as packaging materials, include a sulfonated copolyester interlayer which serves as a primer for improvedly adhering the PVDC topcoat to the polyest... | 09/19/1989 |
| 4868051 | Adhesive composite polyester films Oriented composite polyester films, to which a wide variety of final application topcoatings are improvedly adherent, e.g., matte, photosensitive and magnetic topcoatings, comprise an oriented base film substrate (A) of a crystalline or semicrystalline po... | 09/19/1989 |
| 4840836 | Stretched, composite polyester films usable particularly for graphic arts 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 | 06/20/1989 |
| 4828918 | Transparent composite polyester films capable of being used in particular for producing high-gloss metallized films The invention relates to composite thermoplastic polyester films with outstanding transparency, low surface roughness and good machinability. These films contain, in at least one outer layer, 0.1 to 1% of fine particles with a volume median diameter of between... | 05/09/1989 |
| 4820583 | Transparent composite polyester films capable of being used in particular for producing high-gloss metallized films The invention relates to composite thermoplastic polyester films with outstanding transparency, low surface roughness and good machinability. These films contain, in at least one outer layer, 0.1 to 1% of fine particles with a volume median diameter of be... | 04/11/1989 |
| 4738891 | Polyester film laminate and cassette recording tape comprised thereof Colored polyester film laminates, well adopted as leaders for cassette recording tapes, are facilely produced by (a) coating one face surface of a first length of polyester film with a layer of colorant and adhesive, (b) heating said coated first length o... | 04/19/1988 |
| 4654249 | Biaxially drawn, filled polyester film substrates 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... | 03/31/1987 |
| 4615939 | Biaxially drawn, composite polyester film substrates 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... | 10/07/1986 |
