| |
 |
|
Class Information
Number: 521/99
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. > Cellular product formation prior to or during solid polymer formation in the presence of a stated ingredient other than water
Description: Subject matter wherein cells are formed prior to, or during the solid polymer formation and wherein the cell formation is performed in the presence of a stated ingredient.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 521/114 |
Ingredient contains a -c-x-c- group wherein x is a chalcogen atom and none of the c atoms bonded to the chalcogen are double-bonded to an additional chalcogen atom |
222 |
| 521/117 |
Ingredient contains a -c-xh group wherein x is a chalcogen atom and the carbon atom is not double-bonded to a chalcogen atom, phenol, etc. |
298 |
| 521/103 |
Ingredient contains a boron atom |
93 |
| 521/130 |
Ingredient contains a carbon atom double bonded to oxygen, e.g., carboxylic acid, etc. |
521 |
| 521/123 |
Ingredient contains a metal atom |
292 |
| 521/106 |
Ingredient contains a phosphorus atom |
129 |
| 521/110 |
Ingredient contains a silicon atom as part an organic compound |
223 |
| 521/122 |
Ingredient contains a silicon atom |
295 |
| 521/120 |
Ingredient contains a sulfur atom |
89 |
| 521/131 |
Ingredient contains only carbon and hydrogen atoms, only c and halogen atoms, or only c, h, and halogen atoms |
738 |
| 521/128 |
Ingredient is a nitrogen containing compound |
614 |
| 521/102 |
Ingredient is a protein containing material |
39 |
| 521/113 |
Ingredient is aldehyde or ketone |
67 |
| 521/101 |
Ingredient is bituminous or asphaltic material |
40 |
| 521/109.1 |
Ingredient is carbohydrate, or natural resin |
149 |
| 521/133 |
Ingredient is gaseous at ambient conditions, e.g., air, oxygen, etc. |
120 |
| 521/119 |
Ingredient is inorganic halogen containing material |
56 |
| 521/100 |
Ingredient is water settable inorganic composition |
77 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7435762 |
Fire resistant foam and foam products, method and dispersions for making same |
Oct. 14, 2008 |
| 7432312 |
Polyurethane foam having deodorization property or antibacterial effect |
Oct. 7, 2008 |
| 7393879 |
High resilient silicone foam and process for preparing same |
Jul. 1, 2008 |
| 7390844 |
Polymer particle stabilized by dispersant and method of preparation |
Jun. 24, 2008 |
| 7388036 |
Flexible polyurethane foam, process for its production, and seat for automobile employing it |
Jun. 17, 2008 |
| 7323540 |
Process for preparing microrods using liquid-liquid dispersion |
Jan. 29, 2008 |
| 7279096 |
Polymer based permeable membrane for removal of ions |
Oct. 9, 2007 |
| 7247658 |
Reduction of discoloration in white polyurethane foams |
Jul. 24, 2007 |
| 7205338 |
Composition for forming porous film, porous film and method for forming the same, interlevel insulator film, and semiconductor device |
Apr. 17, 2007 |
| 7202284 |
Foamed thermoplastic polyurethanes |
Apr. 10, 2007 |
| 7199164 |
High-strength black polyurethane foams |
Apr. 3, 2007 |
| 7199168 |
Process for making cellular composites using polymeric isocyanates as binders for hollow filler particles |
Apr. 3, 2007 |
| 7167354 |
Mesoporous carbons and polymers from hydroxylated benzenes |
Jan. 23, 2007 |
| 7056957 |
Formation of strong superporous hydrogels |
Jun. 6, 2006 |
| 7005458 |
Static dissipative polyurethane foams |
Feb. 28, 2006 |
| 6982298 |
Hydroxyphenyl cross-linked macromolecular network and applications thereof |
Jan. 3, 2006 |
| 6967223 |
Fiber-free shaped parts |
Nov. 22, 2005 |
| 6806298 |
Sprayable composition and method for forming a foamed outdoor protective cover layer |
Oct. 19, 2004 |
| 6790871 |
Isocyanate-based polymer foam and process for production thereof |
Sep. 14, 2004 |
| 6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom |
Sep. 7, 2004 |
| 6774152 |
Fiber imbedded polymeric sponge |
Aug. 10, 2004 |
| 6767488 |
Fiber imbedded polymeric sponge production method |
Jul. 27, 2004 |
| 6765035 |
Process for making rigid and flexible polyurethane foams containing a fire-retardant |
Jul. 20, 2004 |
| 6765031 |
Micropore open cell foam composite and method for manufacturing same |
Jul. 20, 2004 |
| 6747068 |
Hydrophobic polyurethane foam |
Jun. 8, 2004 |
| 6737445 |
Mesoporous carbons and polymers |
May. 18, 2004 |
| 6706774 |
Two-component on-site foam system and its use for foaming openings for the purpose of fire protection |
Mar. 16, 2004 |
| 6706776 |
Syntactic foams with improved water resistance, long pot life and short demolding times |
Mar. 16, 2004 |
| 6699917 |
Low impact resilience polyurethane form that contains carbon powder, and producing thereof |
Mar. 2, 2004 |
| 6670404 |
Polymeric foam powder processing techniques, foam powders products, and foams produced containing those foam powders |
Dec. 30, 2003 |
| 6660780 |
Molecularly-imprinted material made by template-directed synthesis |
Dec. 9, 2003 |
| 6602925 |
Open-celled polyurethane foams containing graphite which exhibit low thermal conductivity |
Aug. 5, 2003 |
| 6589444 |
Process for separating water from chemical mixtures |
Jul. 8, 2003 |
| 6586485 |
Production of flexible polyurethane foams |
Jul. 1, 2003 |
| 6582971 |
Imprinting large molecular weight compounds in polymer composites |
Jun. 24, 2003 |
| 6583191 |
Molecularly-imprinted material made by template-directed synthesis |
Jun. 24, 2003 |
| 6552098 |
Open-celled semi-rigid foams with exfoliating graphite |
Apr. 22, 2003 |
| 6518324 |
Polymer foam containing nanoclay |
Feb. 11, 2003 |
| 6509388 |
Polyurethane foams for use in wound dressings |
Jan. 21, 2003 |
| 6495611 |
Polyisocyanate polyaddition products |
Dec. 17, 2002 |
| 6465532 |
Co-continuous interconnecting channel morphology polymer having controlled gas transmission rate through the polymer |
Oct. 15, 2002 |
| 6451866 |
Spongy rubber body |
Sep. 17, 2002 |
| 6451348 |
Method of manufacturing porous matrix-type controlled release systems using emulsion technique |
Sep. 17, 2002 |
| 6414041 |
Expandable styrene polymers containing graphite particles |
Jul. 2, 2002 |
| 6403222 |
Wax-modified thermosettable compositions |
Jun. 11, 2002 |
| 6337355 |
Two-pack urethane foam composition |
Jan. 8, 2002 |
| 6310110 |
Molecularly-imprinted material made by template-directed synthesis |
Oct. 30, 2001 |
| 6297293 |
Mesoporous carbons and polymers |
Oct. 2, 2001 |
| 6278021 |
Reduced particle-size urea |
Aug. 21, 2001 |
| 6268046 |
Process for producing extruded foam products having polystyrene blends with high levels of CO2 as a blowing agent |
Jul. 31, 2001 |
|
|
|
