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Class Information
Number: 521/98
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. > Process of forming a cellular product subsequent to solid polymer formation in the presence of a stated ingredient, noncellular composition capable of forming a cellular product and containing a stated ingredient, or process of preparing same > Ingredient contains only c and h atoms, only c and halogen atoms, or only c, h, and halogen atoms
Description: Subject matter wherein the stated ingredient contains (1) only carbon and hydrogen atoms, or (2) only carbon, hydrogen, and halogen atoms, or (3) only carbon and halogen atoms.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7449438 |
Foam premixes having improved processability |
Nov. 11, 2008 |
| 7368483 |
Porous composition of matter, and method of making same |
May. 6, 2008 |
| 7312253 |
Insulating thermoplastic foams made with methyl formate-based blowing agents |
Dec. 25, 2007 |
| 7307105 |
Thermoplastic foams made with methyl formate-based blowing agents |
Dec. 11, 2007 |
| 7262226 |
CTFE-based thermoprocessable compositions |
Aug. 28, 2007 |
| 7259190 |
Adhesive composition |
Aug. 21, 2007 |
| 7226615 |
Expandable foam-like biomaterials and methods |
Jun. 5, 2007 |
| 7179845 |
Elastomeric latex foams |
Feb. 20, 2007 |
| 7109249 |
Composition containing a cross-linkable matrix precursor and a poragen, and porous matrix prepared therefrom |
Sep. 19, 2006 |
| 7098254 |
Foam premixes having improved processability |
Aug. 29, 2006 |
| 7060736 |
Blowing agent solubility in polymers |
Jun. 13, 2006 |
| 7045556 |
Polyolefin foams made with isopentane-based blowing agents |
May. 16, 2006 |
| 7030167 |
Nanoporous structures produced from self-assembling molecules |
Apr. 18, 2006 |
| 6995203 |
Flame retardant polymer compositions |
Feb. 7, 2006 |
| 6887910 |
Composition containing a cross-linkable matrix precursor and a poragen, and a porous matrix prepared therefrom |
May. 3, 2005 |
| 6878752 |
Method for making one-container rigid foam |
Apr. 12, 2005 |
| 6872757 |
Expandable composition, blowing agent, and process for extruded thermoplastic foams |
Mar. 29, 2005 |
| 6831113 |
Amine-modified epoxy resin reacted in presence of latent hardener |
Dec. 14, 2004 |
| 6815047 |
Foamed thermoplastic resin sheet and manufacturing method of the same |
Nov. 9, 2004 |
| 6793845 |
Foam premixes having improved processability |
Sep. 21, 2004 |
| 6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom |
Sep. 7, 2004 |
| 6753356 |
Foaming compositions |
Jun. 22, 2004 |
| 6740731 |
Degradation control of environmentally degradable disposable materials |
May. 25, 2004 |
| 6730713 |
Creation of epoxy-based foam-in-place material using encapsulated metal carbonate |
May. 4, 2004 |
| 6710094 |
Processes for preparing patterns for use in metal castings |
Mar. 23, 2004 |
| 6688118 |
Azeotropic compositions of cyclopentane |
Feb. 10, 2004 |
| 6653358 |
Composition containing a cross-linkable matrix precursor and a poragen, and a porous matrix prepared therefrom |
Nov. 25, 2003 |
| 6653360 |
Flexible foamed polyethylene |
Nov. 25, 2003 |
| 6632382 |
Extruded foam product with reduced surface defects |
Oct. 14, 2003 |
| 6630520 |
Composition containing a cross-linkable matrix precursor and a poragen, and a porous matrix prepared therefrom |
Oct. 7, 2003 |
| 6624208 |
Blowing agent based on HFC-134a and cyclopentane for the expansion of polymers |
Sep. 23, 2003 |
| 6599946 |
Blowing agent composition and polymeric foam containing a normally-liquid hydroflurocarbon and carbon dioxide |
Jul. 29, 2003 |
| 6586484 |
Phenol foam |
Jul. 1, 2003 |
| 6583190 |
Expandable composition, blowing agent, and process for extruded thermoplastic foams |
Jun. 24, 2003 |
| 6579911 |
Fire resistant styrene polymer foams with reduced brominated fire retardant |
Jun. 17, 2003 |
| 6576681 |
Antireflective porogens |
Jun. 10, 2003 |
| 6562374 |
Biodegradable porous polymer scaffolds for tissue engineering prepared from an effervescent mixture and its preparation |
May. 13, 2003 |
| 6548562 |
Foamed thermo-elastic article |
Apr. 15, 2003 |
| 6528548 |
Synthetic thermoplastic resin extruded foams and methods for producing the same |
Mar. 4, 2003 |
| 6498198 |
Fill for pillows and cushions |
Dec. 24, 2002 |
| 6492436 |
Tire sealer and inflating composition and method of use |
Dec. 10, 2002 |
| 6476090 |
Phenolic foam |
Nov. 5, 2002 |
| 6476080 |
Blowing agent compositions containing hydrofluorocarbons and a low-boiling alcohol and/or low-boiling carbonyl compound |
Nov. 5, 2002 |
| 6465534 |
Elastic sponge |
Oct. 15, 2002 |
| 6451865 |
Foam composition comprising oil, thermoplastic elastomer and expandable particles |
Sep. 17, 2002 |
| 6444717 |
Foamed polyester resins with flame retardant properties |
Sep. 3, 2002 |
| 6414044 |
Foamed caulk and sealant compounds |
Jul. 2, 2002 |
| 6403222 |
Wax-modified thermosettable compositions |
Jun. 11, 2002 |
| 6403666 |
Polyolefin base porous film |
Jun. 11, 2002 |
| 6384095 |
Closed cell polymer foam |
May. 7, 2002 |
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