Patents
Sitemap › B29 - Working of plastics; Working of substances in a plastic state in general › B29K - Indexing scheme associated with subclasses , or , relating to moulding materials or to materials for reinforcements, fillers or preformed parts, e.g. inserts › B29K 25 - Use of polymers of vinyl-aromatic compounds as moulding material
Patents for B29K 25 - Use of polymers of vinyl-aromatic compounds as moulding material (998)
04/1991
04/03/1991EP0420566A1 A polymer alloy composition suitable for injection molding
03/1991
03/26/1991CA1282041C Expandable plastics granular material and packaging material produced therefrom
03/05/1991CA1280861C Moldless process for manufacturing foamed articles
02/1991
02/06/1991EP0411923A2 Polystyrene foam made with only carbon dioxide as a blowing agent and a process for making the same
02/05/1991US4990542 Extruded synthetic resin foam and its manufacturing method
01/1991
01/09/1991EP0406681A2 Sealable plastic foil
01/02/1991EP0405060A2 Method of manufacturing thermoplastic foam
12/1990
12/18/1990US4978558 Injection molding a mixture including solid particles and an amorphous thermoplastic resin onto a metal substrate
10/1990
10/17/1990EP0392433A2 Method and apparatus for forming a fabricated thermoplastic container
10/14/1990CA2014505A1 Method and apparatus for forming a fabricated thermoplastic container
10/03/1990EP0218640B1 Method for the preparation of styrene polymer foam and foam prepared thereby
08/1990
08/16/1990EP0382064A1 Styrene-based resin composition and process for producing molding products thereof
08/08/1990EP0380968A1 Process for preparation of material for extrusion molding
06/1990
06/27/1990EP0374810A1 Extruded styrene polymer foam boards
06/23/1990CA2003966A1 Extruded styrene polymer foam sheets
06/14/1990WO1990006339A1 Polystyrene foam containing carbon black
06/13/1990EP0372343A1 Polystyrene foam containing carbon black
06/12/1990US4933205 Laser etching of foam substrate
06/05/1990US4931502 Ductile, blow moldable composition containing a styrene-maleimide copolymer bearing pendant carboxyl or hydroxyl groups
05/1990
05/15/1990US4925508 Moldless process for manufacturing foamed articles
05/03/1990WO1990004615A1 Insulating alkenyl aromatic polymer foam
04/1990
04/18/1990EP0364241A2 Ductile, blow moldable composition containing a styrene-maleimide copolymer bearing pendant carboxyl or hydroxyl groups
04/18/1990EP0364240A2 Ductile, blow moldable composition containing a styrene-methylmethacrylate copolymer having a pendant carboxy ester group
04/11/1990CA2000123A1 Ductile, blow moldable composition containing a styrene-maleimide copolymer bearing pendant carboxyl or hydroxyl groups
03/1990
03/27/1990US4912144 Ductile, blow-moldable composition containing a styrene-methylmethacrylate copolymer having pendant carboxy ester groups
03/14/1990EP0185052B1 Impact-modified monovinylidene aromatic polymer injection molding resins
02/1990
02/28/1990EP0185012B1 PROCESS FOR EXTRUDING FOAMED STYRENE POLYMERS WITH $g(a)-POLYOLEFIN ADDITIVES AND UTILIZING RECYCLED MATERIAL AND THE COMPOSITIONS FOR PROCESSING
02/13/1990US4900786 Polyphenylene ether/rubber modified polystyrene composition suitable for blow molding large parts
02/13/1990US4900487 Method of producing a hollow-bodied component
02/07/1990EP0353701A2 An extruded synthetic resin foam and its manufacturing method
12/1989
12/27/1989EP0347598A2 Polyphenylene ether/rubber modified polystyrene composition suitable for blow molding large parts
12/13/1989EP0346266A1 Method for applying diffusion coating masks
09/1989
09/19/1989US4868057 Laminated structure comprising a plurality of polymeric layers adhered with an adhesive composition
09/12/1989CA1259155A1 Method for the preparation of styrene polymer foam and foam prepared thereby
08/1989
08/15/1989US4857390 Low density extruded foam having high compressive strength
08/02/1989EP0325779A2 Microwavable foamed article and method of packaging
07/1989
07/26/1989CN1034163A Stretched styrene-based resin moldings and process for prodn. thereof
07/11/1989US4847150 Foams of polyolefin/polystyrene resin mixture
07/05/1989CN1004700B Method for the preparation of styrene polymer foam and foam prepared thereby
06/1989
06/28/1989EP0322045A2 Laminated structure
06/28/1989EP0321731A2 Process for reclaiming polystyrene-based synthetic-resin waste, and its reuse
06/20/1989US4840976 Production of closed-celled foams of high compressive strength
06/20/1989CA1255862A1 Manufacturing process of a hollow part, and part thus made
06/07/1989EP0318846A2 Method for preparing foams with a high compression strength
06/07/1989EP0318794A2 Stretched styrene-based resin moldings and a process for production thereof
05/1989
05/03/1989EP0313653A1 Foams of polyolefin/polystyrene resin mixture.
04/1989
04/12/1989EP0310810A1 Laser etching of foam substrate
03/1989
03/08/1989EP0305862A1 One-step process for the production of expandable foam beads
01/1989
01/18/1989EP0299368A1 Process for preparing closed cell foams with high compressive strength
12/1988
12/28/1988EP0296408A1 Low density extruded foam having high compressive strength
11/1988
11/30/1988EP0292577A1 ''moldless'' molding of foamed product
11/17/1988WO1988008864A1 Foams of polyolefin/polystyrene resin mixture
11/17/1988EP0291179A1 Preparation of alkenyl aromatic polymer foam and product
11/15/1988CA1244986A1 Impact-modified monovinylidene aromatic polymer injection molding resins
11/02/1988EP0288634A1 A process for producing mouldings from an expanded styrene polymer
10/1988
10/20/1988WO1988008013A1 A method of extruding an alkenyl aromatic synthetic resin foamed body having closed cells
08/1988
08/09/1988CA1240111A1 Thermoforming of styrenic foam laminates
06/1988
06/30/1988WO1988004604A1 ''moldless'' molding of foamed product
06/01/1988EP0268805A1 Process for reducing the density of an extruded foam board of a thermoplastic resin
02/1988
02/24/1988EP0256754A2 Process for producing styrene resin foam
02/11/1988WO1988000958A1 Process for producing styrene resin foam
11/1987
11/17/1987US4707396 Laminates
10/1987
10/22/1987EP0185013A4 Making cross-linked styrene polymer foam.
10/13/1987CA1228098A1 Trim strip having injected molded finishing portion and method of making
08/1987
08/11/1987US4686087 Apparatus for thermoplastic resins pre-expanding process
07/1987
07/09/1987EP0218640A4 Method for the preparation of styrene polymer foam and foam prepared thereby.
06/1987
06/16/1987CA1222856A1 Expanded polystyrene mold for producing parts with smooth surfaces
04/1987
04/22/1987EP0218640A1 Method for the preparation of styrene polymer foam and foam prepared thereby.
03/1987
03/04/1987EP0213058A2 A sealed package and method of making said package
03/04/1987EP0212355A2 Layered products
11/1986
11/26/1986EP0185012A4 PROCESS FOR EXTRUDING FOAMED STYRENE POLYMERS WITH -g(a)-POLYOLEFIN ADDITIVES AND UTILIZING RECYCLED MATERIAL AND THE COMPOSITIONS FOR PROCESSING.
11/19/1986CN86102381A Method for the preparation of styrene polymer foam and foam prepared thereby
11/04/1986US4621022 Expandable plastics granular material having at least one orifice
10/1986
10/28/1986US4619847 Automobiles
10/23/1986WO1986006084A1 Method for the preparation of styrene polymer foam and foam prepared thereby
08/1986
08/06/1986EP0189843A2 Granular foamable plastic material and packaging material made therefrom
06/1986
06/25/1986EP0185013A1 Making cross-linked styrene polymer foam.
06/25/1986EP0185012A1 PROCESS FOR EXTRUDING FOAMED STYRENE POLYMERS WITH -g(a)-POLYOLEFIN ADDITIVES AND UTILIZING RECYCLED MATERIAL AND THE COMPOSITIONS FOR PROCESSING.
06/17/1986US4595551 Heating laminate of styrene and polyurethane foams to thermoforming temperature of styrene but below temperature at which polyurethane degrades, thermoforming
06/11/1986EP0184503A2 Method for forming a hollow article, and article obtained
05/1986
05/07/1986EP0180351A2 Mold and method for molding expandable resin beads
04/1986
04/02/1986EP0176495A2 Thermoforming of styrenic foam lamintes
01/1986
01/03/1986WO1986000046A1 Making cross-linked styrene polymer foam
12/1985
12/19/1985WO1985005592A1 PROCESS FOR EXTRUDING FOAMED STYRENE POLYMERS WITH alpha-POLYOLEFIN ADDITIVES AND UTILIZING RECYCLED MATERIAL AND THE COMPOSITIONS FOR PROCESSING
12/05/1985WO1985005370A1 Impact-modified monovinylidene aromatic polymer injection molding resins
06/1985
06/18/1985US4524154 Pre-expanding process and apparatus for the same
05/1985
05/07/1985US4515907 Styrene polymer foam made with alpha-polyolefin additives
08/1984
08/02/1984WO1984002876A1 Method for manufacturing an alveolar synthetic material part and parts obtained thereby
06/1984
06/12/1984US4454086 Making cross-linked styrene polymer foam
06/05/1984US4452751 Closed-cell foam having a skin and solvent-resistant properties
05/1984
05/01/1984CA1166793A1 Oriented p-methyl styrene polymer
03/1984
03/27/1984CA1164405A1 Shaped articles from poly(p-methylstyrene) blends
10/1982
10/20/1982EP0062882A2 Directionally flexibilized expanded thermoplastic foam sheet for low temperature insulation
09/1982
09/28/1982US4351884 Shaped articles from poly(p-methylstyrene) blends
08/1982
08/31/1982US4347344 Oriented p-methyl styrene polymer
04/1982
04/20/1982CA1121956A1 Blow molding of plastic articles having barrier properties
03/1982
03/31/1982EP0048540A2 Biaxially-oriented methylstyrene polymer films and method for their manufacture
03/10/1982EP0047050A1 Radiation cross-linked articles of poly(p-methylstyrene) blends and method for making them
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