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Class Information
Number: 521/54
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. > Treating a cellular solid polymer by adding a material thereto which reacts with the polymer or forms a composition therewith, or products of said treating process > Treating a cellular solid polymer by adding a solid polymer or solid polymer-forming composition
Description: Subject matter wherein (1) an additional solid polymer is added to the previously formed cellular polymer, or (2) wherein polymer-forming ingredients are added to the previously formed solid cellular polymer.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615168 |
Flame retardants and flame retarded polymers |
Nov. 10, 2009 |
| 7473715 |
Two component (epoxy/amine) structural foam-in-place material |
Jan. 6, 2009 |
| 7294655 |
Coating composition for thermoplastic resin particles for forming foam containers |
Nov. 13, 2007 |
| 7230036 |
Foam insulation made with expandable microspheres and methods |
Jun. 12, 2007 |
| 7222380 |
Tear resistant gels, composites, and cushion articles |
May. 29, 2007 |
| 7173068 |
Thermoplastic foam and method for production thereof |
Feb. 6, 2007 |
| 6967221 |
Hollow filler-containing silicone rubber and method of production |
Nov. 22, 2005 |
| 6946496 |
Artificial soil |
Sep. 20, 2005 |
| 6906119 |
Thermoplastic foam and method for production thereof |
Jun. 14, 2005 |
| 6890964 |
Homopolymerized epoxy-based form-in-place material |
May. 10, 2005 |
| 6890965 |
Foamed composites and methods for making same |
May. 10, 2005 |
| 6884507 |
Use of high modulus, impact resistant foams for structural components |
Apr. 26, 2005 |
| 6872755 |
Resilient cushion and method of manufacture |
Mar. 29, 2005 |
| 6864297 |
Composite foam made from polymer microspheres reinforced with long fibers |
Mar. 8, 2005 |
| 6821418 |
Surface modification of a porous polymer monolith and products therefrom |
Nov. 23, 2004 |
| 6787579 |
Two-component (epoxy/amine) structural foam-in-place material |
Sep. 7, 2004 |
| 6730710 |
Rubber composition for tire and process of production thereof |
May. 4, 2004 |
| 6727290 |
Process of making rigid polyurethane foam |
Apr. 27, 2004 |
| 6720361 |
Foamable thermoplastic elastomer composition and method of producing the same |
Apr. 13, 2004 |
| 6713520 |
Foams and methods for making the same |
Mar. 30, 2004 |
| 6706776 |
Syntactic foams with improved water resistance, long pot life and short demolding times |
Mar. 16, 2004 |
| 6706772 |
Two component (epoxy/amine) structural foam-in-place material |
Mar. 16, 2004 |
| 6663948 |
Additive comprising porous calcium phosphate for synthetic resins, and synthetic resin composition |
Dec. 16, 2003 |
| 6605650 |
Process of making lightweight, rigid polyurethane foam |
Aug. 12, 2003 |
| 6593381 |
Uniformly dense polymeric foam body |
Jul. 15, 2003 |
| 6589444 |
Process for separating water from chemical mixtures |
Jul. 8, 2003 |
| 6569225 |
Breathable barrier films containing cavated fillers |
May. 27, 2003 |
| 6552096 |
Hollow filler-containing silicone rubber and method of production |
Apr. 22, 2003 |
| 6552095 |
Laminate, method for producing the same and thermoplastic foam adhesive |
Apr. 22, 2003 |
| 6550508 |
Rubber composition for tire tread having high performance on ice and pneumatic tire using the same |
Apr. 22, 2003 |
| 6528547 |
Synthetic aggregate and method of producing the same |
Mar. 4, 2003 |
| 6506331 |
Method for the preparation of low specific gravity silicone rubber elastomers |
Jan. 14, 2003 |
| 6498198 |
Fill for pillows and cushions |
Dec. 24, 2002 |
| 6498199 |
Resilient cushion composition |
Dec. 24, 2002 |
| 6479065 |
Process for the preparation of polymer-based sustained release compositions |
Nov. 12, 2002 |
| 6479559 |
Chlorinated vinyl chloride resin composition for siding extrusion molding and siding molded article using the same |
Nov. 12, 2002 |
| 6476087 |
Method of manufacturing syntactic foam |
Nov. 5, 2002 |
| 6461550 |
Method for forming a uniformly dense polymer foam body |
Oct. 8, 2002 |
| 6451865 |
Foam composition comprising oil, thermoplastic elastomer and expandable particles |
Sep. 17, 2002 |
| 6451876 |
Two component thermosettable compositions useful for producing structural reinforcing adhesives |
Sep. 17, 2002 |
| 6444713 |
Foaming compositions and methods for making and using the compositions |
Sep. 3, 2002 |
| 6444594 |
Airbag coatings providing improved thermal resistance |
Sep. 3, 2002 |
| 6376565 |
Implements comprising highly durable foam materials derived from high internal phase emulsions |
Apr. 23, 2002 |
| 6376564 |
Storage-stable compositions useful for the production of structural foams |
Apr. 23, 2002 |
| 6365640 |
Silicone rubber sponge composition and sponge articles therefrom |
Apr. 2, 2002 |
| 6346556 |
Silicone rubber sponge composition, sponge, and process for making |
Feb. 12, 2002 |
| 6335387 |
Insulating sleeve compositions containing fine silica and their use |
Jan. 1, 2002 |
| 6333364 |
Silicone rubber compositions |
Dec. 25, 2001 |
| 6316509 |
Process for reuse of vulcanized rubber |
Nov. 13, 2001 |
| 6300382 |
Silicone rubber sponge composition and sponge articles therefrom |
Oct. 9, 2001 |
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