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Class Information
Number: 521/51
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Cellular products or processes of preparing a cellular product, e.g., foams, pores, channels, etc. > Processes of preparing a cellular product having an integral skin
Description: Subject matter involving a process of preparing a cellular product having an integral skin.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7361693 |
Low density polymer beads |
Apr. 22, 2008 |
| 7202284 |
Foamed thermoplastic polyurethanes |
Apr. 10, 2007 |
| 6881763 |
Plastic material |
Apr. 19, 2005 |
| 6867239 |
Plastic material |
Mar. 15, 2005 |
| 6864296 |
Plastic material |
Mar. 8, 2005 |
| 6797738 |
Open pore biodegradable matrices |
Sep. 28, 2004 |
| 6767928 |
Mineralization and biological modification of biomaterial surfaces |
Jul. 27, 2004 |
| 6759443 |
Polyurethane foam composition and additive useful in shoe sole applications and methods of making same |
Jul. 6, 2004 |
| 6759444 |
Integral skin foams employing pentafluorobutane blowing agents |
Jul. 6, 2004 |
| 6620356 |
Porous constructs fabricated by gas induced phase inversion |
Sep. 16, 2003 |
| 6590003 |
Method for producing soft to semi-rigid polyurethane integral foamed materials |
Jul. 8, 2003 |
| 6572954 |
Electromechanical component |
Jun. 3, 2003 |
| 6562374 |
Biodegradable porous polymer scaffolds for tissue engineering prepared from an effervescent mixture and its preparation |
May. 13, 2003 |
| 6521676 |
Use of polyether-polyurethane for safety clothing |
Feb. 18, 2003 |
| 6506331 |
Method for the preparation of low specific gravity silicone rubber elastomers |
Jan. 14, 2003 |
| 6486224 |
Polyurethane elastomers having improved hydrolysis resistance |
Nov. 26, 2002 |
| 6479561 |
Colored polyurethane surface coatings |
Nov. 12, 2002 |
| 6472442 |
Grasping parts |
Oct. 29, 2002 |
| 6420447 |
Viscoelastic damping foam having an adhesive surface |
Jul. 16, 2002 |
| 6395382 |
Sponge sheet |
May. 28, 2002 |
| 6331577 |
Process for producing elastic polyurethane moldings with compact surfaces and cellular cores |
Dec. 18, 2001 |
| 6331576 |
Surface-decorated foam skin of cross-linked rubbery soft olefin resin |
Dec. 18, 2001 |
| 6329439 |
Extrusion of a foamable melt consisting of mixed polyolefin and rubber copolymer |
Dec. 11, 2001 |
| 6281256 |
Open pore biodegradable matrices |
Aug. 28, 2001 |
| 6277896 |
Method for manufacturing a monolithic plastic object, and an object obtained with this method |
Aug. 21, 2001 |
| 6248856 |
One-shot polyurethane elastomers with very low compression sets |
Jun. 19, 2001 |
| 6235806 |
Open-celled rigid polyurethane foam and method for producing the same |
May. 22, 2001 |
| 6235800 |
Heat-expandable microcapsules and method of utilizing the same |
May. 22, 2001 |
| 6235799 |
Method for producing soft to medium-hard structural polyurethane foams |
May. 22, 2001 |
| 6184259 |
Material containing expandable microspheres and process for the production thereof |
Feb. 6, 2001 |
| 6180686 |
Cellular plastic material |
Jan. 30, 2001 |
| 6169124 |
Inner parting agents for producing self-parting moldings made of polyisocyanate polyaddition products |
Jan. 2, 2001 |
| 6136879 |
Soft polyurethane foam, method of producing the same and vehicle interior member using the same |
Oct. 24, 2000 |
| 6107355 |
Production of polyurethane foams |
Aug. 22, 2000 |
| 6103153 |
Production of foamed low-density polypropylene by rotational molding |
Aug. 15, 2000 |
| 6090479 |
Shape-recoverable resin foamed product |
Jul. 18, 2000 |
| 6076192 |
Headwear piece with projecting bill |
Jun. 20, 2000 |
| 6063485 |
Foamed articles of styrenic and acrylic polymers blend |
May. 16, 2000 |
| 6048608 |
Opaque oriented polypropylene film |
Apr. 11, 2000 |
| 6045899 |
Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters |
Apr. 4, 2000 |
| 6031010 |
Polyurethane foam composition having improved flex fatigue |
Feb. 29, 2000 |
| 6008262 |
Foamable compositions comprising low viscosity thermoplastic material comprising an ethylene .alpha.-olefin |
Dec. 28, 1999 |
| 5985946 |
Foamed articles |
Nov. 16, 1999 |
| 5962142 |
Two-colored molded product of polyurethanes made by RIM and process for manufacturing the same |
Oct. 5, 1999 |
| 5928584 |
Foamable compositions for rotational molding |
Jul. 27, 1999 |
| 5922778 |
Rotational molding compositions and process for producing foamed articles therefrom |
Jul. 13, 1999 |
| 5906999 |
Integral skin foams employing pentafluoropropane blowing agents |
May. 25, 1999 |
| 5889068 |
Water blown polyurethane soling systems |
Mar. 30, 1999 |
| 5872155 |
Latex based on vinyl chloride copolymers with a specific structure, process for the manufacture thereof and applications thereof |
Feb. 16, 1999 |
| 5861214 |
Thermoexpandable microcapsule and production |
Jan. 19, 1999 |
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