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Class Information
Number: 521/128
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 > Ingredient is a nitrogen containing compound
Description: Subject matter wherein the stated ingredient is a nitrogen containing compound.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7393879 |
High resilient silicone foam and process for preparing same |
Jul. 1, 2008 |
| 7390867 |
Isocyanate adducts |
Jun. 24, 2008 |
| 7361695 |
Process to manufacture flexible polyurethane foams |
Apr. 22, 2008 |
| 7291653 |
Preparation of hydrophobic organic aeorgels |
Nov. 6, 2007 |
| 7262227 |
Process for producing synthetic resin foam, blowing agent and premix |
Aug. 28, 2007 |
| 7247658 |
Reduction of discoloration in white polyurethane foams |
Jul. 24, 2007 |
| 7230037 |
Method for mixing a polyol component and an isocyanate component |
Jun. 12, 2007 |
| 7202284 |
Foamed thermoplastic polyurethanes |
Apr. 10, 2007 |
| 7192990 |
Tertiary amino alkyl amide polyurethane catalysts derived from long chain alkyl and fatty carboxylic acids |
Mar. 20, 2007 |
| 7189765 |
Improving the physical properties of polyurethane foams using tertiary amino alkyl amide catalysts |
Mar. 13, 2007 |
| 7183330 |
Silicone surfactants for rigid polyurethane foam made with hydrocarbon blowing agents |
Feb. 27, 2007 |
| 7183331 |
Method for producing a rigid polyurethane foam |
Feb. 27, 2007 |
| 7169823 |
Tertiary alkanolamine polyurethane catalysts derived from long chain alkyl and fatty carboxylic acids |
Jan. 30, 2007 |
| 7098255 |
Process for producing polyurethane foam |
Aug. 29, 2006 |
| 7078443 |
Viscoelastic foam layer and composition |
Jul. 18, 2006 |
| 7008973 |
Vacuum cooled foams |
Mar. 7, 2006 |
| 6979701 |
Thermoplastic polyurethane foam, process for production thereof and polishing pads made of the foam |
Dec. 27, 2005 |
| 6949589 |
Elastic foamed grinder material and method for producing the same |
Sep. 27, 2005 |
| 6906110 |
Method for the production of polyurethanes |
Jun. 14, 2005 |
| 6890966 |
Process for the production of a lightweight cold urethane |
May. 10, 2005 |
| 6878753 |
Process for producing polyurethane foam |
Apr. 12, 2005 |
| 6866803 |
Mold for use in slip casting method, and method of manufacturing open porous body for use in mold |
Mar. 15, 2005 |
| 6861453 |
Process for producing a urethane-modified polyisocyanurate foam |
Mar. 1, 2005 |
| 6858654 |
Catalyst blends for producing low thermal desorption polyurethane foams |
Feb. 22, 2005 |
| 6855739 |
Modified polyurethane foamed materials used as adsorbents |
Feb. 15, 2005 |
| 6835757 |
Tertiary amino alkyl amide catalysts for improving the physical properties of polyurethane foams |
Dec. 28, 2004 |
| 6831110 |
Rigid, dimensionally stable polyurethane foams and a process for the production of such foams in which the foam pressure is reduced |
Dec. 14, 2004 |
| 6825238 |
Low acid organometallic catalyst for the production of flexible, semi-flexible and rigid polyurethane foams |
Nov. 30, 2004 |
| 6808800 |
Rigid polyurethane foam and heat insulating construction element comprising the same |
Oct. 26, 2004 |
| 6794420 |
Methods of producing stable novel black polyurethane articles with polymeric colorants |
Sep. 21, 2004 |
| 6777456 |
Method for producing a rigid polyurethane foam |
Aug. 17, 2004 |
| 6777455 |
Process for producing polyurethane foam |
Aug. 17, 2004 |
| 6767929 |
Process for producing polyurethane |
Jul. 27, 2004 |
| 6762211 |
Tertiary amino alkyl amide polyurethane catalysts derived from long chain alkyl and fatty carboxylic acids |
Jul. 13, 2004 |
| 6759447 |
Physical properties of polyurethane foams using tertiary amino alkyl amide catalysts |
Jul. 6, 2004 |
| 6747069 |
Tertiary alkanolamine polyurethane catalysts derived from long chain alkyl and fatty carboxylic acids |
Jun. 8, 2004 |
| 6737471 |
Polyurethane elastomers which exhibit improved stability to hydrolysis |
May. 18, 2004 |
| 6737446 |
Tertiary amino alkyl amide catalysts for improving the physical properties of polyurethane foams |
May. 18, 2004 |
| 6734220 |
Fine cell, high density viscoelastic polyurethane foams |
May. 11, 2004 |
| 6723819 |
Catalyst for production of a polyurethane resin and method for producing a polyurethane resin |
Apr. 20, 2004 |
| 6716890 |
Polyurethane foams with fine cell size |
Apr. 6, 2004 |
| 6706774 |
Two-component on-site foam system and its use for foaming openings for the purpose of fire protection |
Mar. 16, 2004 |
| 6676849 |
Low yellowing scorch inhibitor composition |
Jan. 13, 2004 |
| 6670405 |
Method for producing block-shaped polymethacrylimide foamed materials |
Dec. 30, 2003 |
| 6660783 |
Preparation of highly resilient polyurethane foams |
Dec. 9, 2003 |
| 6660780 |
Molecularly-imprinted material made by template-directed synthesis |
Dec. 9, 2003 |
| 6653361 |
Flame retardant polyurethane composition and method of manufacture thereof |
Nov. 25, 2003 |
| 6653363 |
Low energy-loss, high firmness, temperature sensitive polyurethane foams |
Nov. 25, 2003 |
| 6642283 |
Stable novel black polyurethane article colorants |
Nov. 4, 2003 |
| 6608160 |
Composition for production of cover packing and process for production of cover packing using the same |
Aug. 19, 2003 |
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