Patents for B29K 29 - Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals as moulding material (549)
11/1989
11/23/1989EP0342822A2 Synthetic rubber bale wrap
11/14/1989US4880706 Biaxially oriented multilayer barrier films
10/1989
10/17/1989US4874562 Method of molding a polyvinyl alcohol contact lens
10/04/1989EP0335614A2 Heterogeneous membranes from highly filled thermoplastic orientable polymers
08/1989
08/01/1989US4853265 Multilayer ethylene acetate film
06/1989
06/07/1989EP0318770A1 Light-polarizing material in the form of sheets or of a web and a method for the manufacture of the material
05/1989
05/24/1989EP0317545A2 Process for forming plasticized polyvinyl butyral sheet
05/24/1989CN1033026A Biaxially oriented multiplayer barrier films and methods of making
04/1989
04/12/1989EP0311293A2 Biaxially oriented multilayer barrier films
01/1989
01/17/1989US4798697 Process for preparation of injection molded body of olefin/vinyl alcohol copolymer
12/1988
12/21/1988EP0295545A2 Heat relief stamping plates hardened by photopolymerisation
11/1988
11/17/1988EP0291452A2 Terminal polyvinyl functional macromers, polymers thereof and contact lenses made therefrom
08/1988
08/03/1988EP0276631A1 Wettable surface modified contact lens fabricated from an oxirane containing hydrophobic polymer
07/1988
07/13/1988EP0274424A2 Manufacture of plastic pipe having barrier properties
03/1988
03/29/1988US4734475 Wettable surface modified contact lens fabricated from an oxirane containing hydrophobic polymer
03/15/1988US4731214 Packaging
02/1988
02/24/1988EP0256139A1 Soft contact lens and process for its production
02/09/1988US4724185 Oxygen barrier oriented film
01/1988
01/05/1988US4717324 Coinjection of hollow articles and preforms
11/1987
11/25/1987EP0246512A2 Coinjection of hollow articles and preforms
08/1987
08/27/1987WO1987005124A1 Soft contact lens and process for its production
06/1987
06/30/1987CA1223413A1 Opaque oriented non-thermoplastic polymer film and method of forming same
06/09/1987US4671913 Plasticized polyvinyl butyral; two layers, two colors
04/1987
04/08/1987EP0217596A2 Oxygen barrier oriented film
03/1987
03/31/1987US4654179 Polyvinyl butyral sheet roughness control
03/03/1987US4646925 Multi-layer preform for draw-blow forming a bottle
02/1987
02/25/1987EP0211819A1 Polyvinyl butyral sheet roughness control
02/25/1987EP0211818A1 Cross-linked polyvinyl butyral
08/1986
08/20/1986EP0191130A1 Process for removing surface tackiness plasticiser-containing polyvinylbutyral films by the extrusion method
05/1986
05/27/1986US4591512 Immersing stretched polyvinyl alcohol in iodine stain, restretching and borating
03/1986
03/18/1986US4576988 Packaging
03/11/1986US4575540 Polyvinyl butyral sheet roughness control
03/05/1986EP0173337A2 Process for producing an embossed thermoplastic resin sheet having a colored layer
08/1985
08/27/1985CA1192363A1 Process for the preparation of thermoplastic biaxal hollow bodies comprising a gasproof and water resistant coating and hollow bodies made by the said process
06/1985
06/26/1985EP0146138A2 Melt molding material
06/19/1985EP0145501A2 Method of and apparatus for the manufacture of long cogged power transmission belts
06/05/1985EP0143599A2 Opaque oriented non-thermoplastic polymer film and method of forming same
01/1985
01/29/1985US4496620 Opaque oriented non-thermoplastic polymer film and method of forming same
01/15/1985US4493807 Mixing with water, melting devolatilization and extrusion
07/1984
07/18/1984EP0113638A1 Polyvinyl alcohol film and its use in the preparation of gas-impermeable composite films
06/1983
06/08/1983EP0080664A1 Method of manufacturing plane objects of polyvinyl alcohol polymers
01/1983
01/12/1983EP0069682A1 Method of manufacturing biaxially oriented thermoplastics hollow bodies having a gas-impermeable and water-resistable coating, and hollow bodies obtained according to this method
06/1982
06/15/1982CA1125944A1 Process for manufacturing thermoplastic compositions and containers made of such compositions
01/1982
01/05/1982US4309465 Process for manufacturing thermoplastic compositions and containers made of such compositions
01/1981
01/13/1981US4244914 Process for preparing gas-, vapor- and odor-proof coupled and coextruded multilayer articles of thermoplastic material and closed-surface bodies comprising the same
01/06/1981US4243627 Polyvinyl chloride, polyvinyl alcohol, extrusion
12/1980
12/09/1980CA1090971A1 Producing articles by coextruding polyvinyl alcohol and another thermoplastic material
05/1979
05/15/1979CA1054323A1 Device for stretching laminating interlayers
10/1978
10/10/1978US4119687 Process for the production of powder-form hydrolyzed ethylene/vinyl acetate copolymers
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