| Patents for B29D 7 - Producing flat articles, e.g. films or sheets (4,438) |
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| 01/17/1978 | US4068616 Apparatus for treating plastic film |
| 01/03/1978 | US4066731 Method of making polymeric acrylonitrile films |
| 12/27/1977 | US4065594 Method of shaping oriented materials of polyolefin |
| 12/13/1977 | US4062918 Method for producing a printed thermoplastic resin tape for packaging |
| 12/06/1977 | US4061707 Process and apparatus for heat setting biaxially oriented tubular polyethylene terephthalate films |
| 11/29/1977 | US4060473 Sulfonated |
| 09/20/1977 | US4049768 Method for extending thermoplastic foams having smooth external skins |
| 08/30/1977 | US4045270 Extrusion |
| 08/23/1977 | US4043962 Particulated rubber and plastics coverings and binders therefor |
| 07/26/1977 | US4038352 Method for producing sheets of small uniform thickness |
| 06/28/1977 | US4032383 Fiber insertion device for continuous 3d foaming machine and method |
| 06/21/1977 | US4030865 Apparatus for simultaneous defiberization of waste paper stock and uniform dispersion and accumulation of the defiberized fine fiber stock for dry web formation |
| 06/14/1977 | US4029727 Chitin films and fibers |
| 06/07/1977 | US4028031 Screw extruder and calender assemblage |
| 05/24/1977 | US4025579 Process for the production of sheet-like structures |
| 05/10/1977 | US4022944 Non-porous polycarbonate films less than 1 μm thick |
| 04/12/1977 | US4017251 Apparatus for physically conditioning plastic tape |
| 03/29/1977 | US4015051 Having a polyester resin applied on one surface |
| 03/15/1977 | US4012324 Polyelectrolytes |
| 03/15/1977 | US4011874 Dorno ray transmitting sheet |
| 02/22/1977 | US4009037 Styrene homo- or co-polymer |
| 11/16/1976 | US3992141 Method of and apparatus for treating plastic film |
| 10/26/1976 | US3988399 Heat recoverable articles and methods therefor |
| 10/05/1976 | US3984047 Reinforced thin wall plastic bag |
| 09/21/1976 | US3981949 Method of forming a cellular article having an integral, color-intensity varied decorative pattern on its surface |
| 09/14/1976 | US3980748 Production of polyethylene terephthalate film having improved resistance to cleavage |
| 08/31/1976 | US3978265 Gasket material |
| 08/31/1976 | US3978258 Embossed decorative sheet-type material and process for making same |
| 08/31/1976 | US3977928 Crushing, dispersing fibers, impregnation with adhesive compressing |
| 08/17/1976 | US3975225 Thin, non-porous polycarbonate films |
| 06/29/1976 | US3966686 P-benzamide, p-phenylene terephthaloyl hydrazide recurring units |
| 06/15/1976 | US3963844 Extrusion-molded article having good thermal stability |
| 06/01/1976 | US3961122 Polycarbonates, polyphenylene ethers, polystyrene |
| 06/01/1976 | US3961008 Process for preparing polyester shaped articles |
| 03/02/1976 | US3941533 Apparatus for making synthetic resin carpeting and the like |
| 02/03/1976 | US3936584 Formation of polyparabanic acid coatings and films by solvent treatment of powdered layer |
| 02/03/1976 | US3936524 Process for preparing polyisobutylene oxide moldings of excellent workability |
| 01/20/1976 | US3933561 Process for manufacturing ultrathin polymer membranes and products derived therefrom |