Patents for B29K 29 - Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals as moulding material (549)
07/1998
07/21/1998US5782460 Process and device for the manufacture of mouldings
06/1998
06/30/1998US5773092 Composite polyester/PVA barrier films
02/1998
02/03/1998US5713141 Cushioning device with improved flexible barrier membrane
11/1997
11/19/1997EP0807272A1 High-efficiency k-sheet polarizer
09/1997
09/09/1997US5666223 High-efficiency K-sheet polarizer
08/1997
08/27/1997EP0791454A2 Composite material
08/26/1997US5661217 Method of manufacturing monolithic structures from polyvinyl alcohol
08/20/1997EP0790258A2 Photo-crosslinked polymers
08/19/1997US5658676 Composite polyester/PVA barrier films
06/1997
06/18/1997EP0576419B1 Process for preparation of colored thermoplastic composite sheeting for laminated structures
06/12/1997WO1997021123A1 High-efficiency k-sheet polarizer
05/1997
05/21/1997EP0773973A1 Method of manufacturing monolithic structures from polyvinyl alcohol
03/1997
03/05/1997EP0647329B1 Shaped interlayers for head-up display windshields and process for preparing the same
01/1997
01/15/1997EP0696959B1 Process for machining a semi-finished plastic product with micro-recesses
12/1996
12/10/1996US5583163 Photocrosslinked polymers
11/1996
11/12/1996US5574096 Gas barrier film and production process thereof
11/12/1996US5573842 Polyvinylbutyral films having improved optical properties
09/1996
09/19/1996DE19541681A1 Biodegradable, recyclable paper prod. esp. cup has biodegradable coating
09/03/1996US5552479 Mixtures of polyvinyl alcohol and poly(meth)acrylic acid shaped into films and heat treatment
07/1996
07/24/1996CN1127101A Cushioning device with improved flexible barrier membrane
04/1996
04/16/1996US5508317 Photocrosslinked polymers
03/1996
03/12/1996US5498656 Sulfonate or polyoxyethylene phosphate, workability, heat resistance
02/1996
02/15/1996WO1996004336A1 Method of manufacturing monolithic structures from polyvinyl alcohol
02/15/1996CA2196550A1 Method of manufacturing monolithic structures from polyvinyl alcohol
01/1996
01/30/1996US5487939 Solvent-free transferring using laminates of thermoplastic resin sheets, coating with binders on carrier films, coating with ink, drying and separation, heating and pressurization
01/17/1996EP0692374A1 Abuse resistant shrink film
11/1995
11/28/1995CA2024038C Extrudable polyvinyl alcohol compositions
11/14/1995US5466751 Plasticized polymer moldings made from modified polyvinyl butyrals
10/1995
10/04/1995EP0675158A2 Composite polyester films with barrier properties
09/1995
09/13/1995CN1108175A Photocrosslinked polymers
08/1995
08/30/1995EP0669009A1 Shaped plastic light-polarizing lens and method of making same
08/30/1995CN1107411A A process and device for the manufacture of mouldings and mouldings manufactured in accordance with that process
07/1995
07/18/1995US5434707 Shaped plastic light-polarizing lens and method of making same
07/05/1995CN1104654A Gas barrier film and production process thereof
04/1995
04/12/1995EP0647329A1 Shaped interlayers for head-up display windshields and process for preparing the same.
03/1995
03/29/1995EP0645428A1 Gas barrier film and production process thereof
03/29/1995EP0644823A1 Polymeric articles and materials
03/23/1995WO1995008133A1 Shaped plastic light-polarizing lens and method of making same
03/23/1995CA2146258A1 Shaped plastic light-polarizing lens and method of making same
03/15/1995EP0642420A1 Multilayer laminates from blow moldable thermoplastic polyamide and polyvinyl alcohol resins
03/08/1995EP0641806A2 Photocrosslinked polymers
02/1995
02/22/1995EP0576419A4 Process for preparation of colored thermoplastic composite sheeting for laminated structures.
02/08/1995EP0637491A1 Process and device for the production of moulded objects as well as objects produced by this process
01/1995
01/30/1995CA2128915A1 Process and device for the manufacture of mouldings and mouldings manufactured in accordance with that process
01/25/1995EP0635538A2 Polyvinyl butyral sheets with improved optical properties
01/18/1995EP0634447A1 Plasticised polymer mouldings from modified polyvinyl butyrals
11/1994
11/29/1994US5369168 Reactive melt extrusion grafting of thermoplastic polyvinyl alcohol/polyolefin blends
11/10/1994WO1994025257A1 Process for machining a semi-finished plastic product with micro-recesses
10/1994
10/19/1994CN1093721A Gas barrier film and production process thereof
09/1994
09/21/1994EP0256139B1 Soft contact lens and process for its production
08/1994
08/03/1994EP0608808A1 Gas barrier film and production process thereof
07/1994
07/19/1994US5330596 Grinding laminate scrap and extruding reclaim therefrom with virgin polystyrene
07/05/1994US5326507 Manufacture of polarizing films
03/1994
03/02/1994EP0584590A1 Reactive melt extrusion grafting of thermoplastic polyvinyl alcohol/polyolefin blends
02/1994
02/04/1994CA2101371A1 Reactive melt extrusion grafting of thermoplastic polyvinyl alcohol/polyolefin blends
01/1994
01/06/1994WO1994000787A1 Shaped interlayers for head-up display windshields and process for preparing the same
01/05/1994EP0576419A1 Process for preparation of colored thermoplastic composite sheeting for laminated structures.
12/1993
12/09/1993WO1993024323A1 Multilayer laminates from blow moldable thermoplastic polyamide and polyvinyl alcohol resins
12/09/1993CA2136609A1 Multilayer laminates from blow moldable thermoplastic polyamide and polyvinyl alcohol resins
11/1993
11/11/1993WO1993022125A1 Polymeric articles and materials
11/11/1993CA2134101A1 Polymeric articles and materials
10/1993
10/13/1993EP0564925A2 Polarizing film
10/05/1993CA1322637C Method for preparing light polarizer
10/05/1993CA1322636C Heterogeneous membranes from highly filled thermoplastic, orientable polymers
09/1993
09/15/1993EP0559976A1 Recycling of barrier polystyrene foam scrap
08/1993
08/24/1993US5238743 Biazially stretching, heat setting, stretching
06/1993
06/22/1993US5221708 Use of recovered polyvinyl butyral in the manufacture of flooring
05/1993
05/11/1993US5209958 Multilayer laminates from blow moldable thermoplastic polyamide and polyvinyl alcohol resins
05/11/1993CA1317427C Biaxially oriented multilayer barrier films
03/1993
03/17/1993EP0531568A1 Light polarizing films and process for preparing them
12/1992
12/29/1992US5174929 Casting, then annealing in aqueous-organic solvent promoter yields dimensionally stable swollen lenses having controlled water content
10/1992
10/01/1992WO1992016369A1 Process for preparation of colored thermoplastic composite sheeting for laminated structures
08/1992
08/11/1992US5137673 Process for forming plasticized polyvinyl butyral sheet
06/1992
06/02/1992US5118561 Recycling of barrier polystyrene foam scrap and barrier polystyrene foam containing recycled barrier polystyrene foam scrap
03/1992
03/10/1992CA1296854C Eva based multi-layer, heat-shrinkable, packaging film and bags made therefrom
03/04/1992EP0473553A2 Preparation of a stable polyvinyl alcohol hydrogel contact lens
03/01/1992CA2050196A1 Stable polyvinyl alcohol hydrogel contact lens and preparation thereof
02/1992
02/19/1992EP0471658A2 Use of recovered PVB in the manufacture of flooring
01/1992
01/14/1992US5080957 Reinforcement, tear strength
11/1991
11/21/1991EP0457600A2 Water soluble film
11/21/1991EP0457209A2 Method for the production of a thermoplastic film, film produced according to the method and composite safety glass produced by using the film
11/21/1991DE4115531A1 Emulsifying thermoplastic resin mixt. - by mixing melt of resin and minor amt. of PVA with water in extruder
11/05/1991CA1291610C Coinjection of hollow articles and preforms
10/1991
10/15/1991CA1290516C Wettable surface modified contact lens fabricated from an oxirane containing hydrophobic polymer
07/1991
07/16/1991CA1286443C Terminal polyvinyl functional macromers, polymers thereof and contactlenses made therefrom
07/04/1991DE4041737A1 Water-sol. copolymers contg. vinyl] alcohol units - vinyl ester units and oxy:alkylene units are melt-moulded
06/1991
06/11/1991CA1284708C Oxygen barrier oriented film
04/1991
04/02/1991US5004327 Light-polarizing material in the form of sheets or of a web and a method for the manufacture of the material
03/1991
03/06/1991EP0415357A2 Extrudable polyvinyl alcohol compositions
02/1991
02/06/1991EP0411820A1 Tape having improved tear strength
02/02/1991CA2021420A1 Tape having improved tear strength
11/1990
11/20/1990CA1276744C Cross-linked polyvinyl butyral
10/1990
10/30/1990US4966924 Soft contact lens and method of manufacturing the same
09/1990
09/18/1990US4957852 Hot embossing plates crosslinkable by photopolymerization
09/04/1990US4954306 Method and device for the manufacture of a sheet of polyvinylbutyral
04/1990
04/03/1990CA1267260A1 Polyvinyl butyral sheet roughness control
03/1990
03/20/1990US4909971 Blend of thermoplastic orientable polymer and particle filler
03/14/1990EP0357946A2 Method for preparing light polarizer
02/1990
02/27/1990US4904509 High molecular weight; tensile and impact strength; rigidity, creep resistance
01/1990
01/23/1990US4895769 Method for preparing light polarizer
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