Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
Class Information
Number: 521/129
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 > Nitrogen compound contains a nitrogen atom bonded to three carbon atoms and wherein none of the carbon atoms are double-bonded to oxygen
Description: Subject matter wherein the nitrogen compound contains at least one nitrogen atom which is bonded to three carbon atoms and wherein none of the carbon atoms bonded to the nitrogen atom are double bonded to oxygen.


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

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
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
7078443 Viscoelastic foam layer and composition Jul. 18, 2006
7064172 Catalyst for production of a polyurethane resin and method for producing a polyurethane resin Jun. 20, 2006
6894139 Catalysts, in particular for the preparation of polyisocyanate polyadducts May. 17, 2005
6861453 Process for producing a urethane-modified polyisocyanurate foam Mar. 1, 2005
6861452 Composition for production of flame-retardant flexible polyurethane foams Mar. 1, 2005
6858654 Catalyst blends for producing low thermal desorption polyurethane foams Feb. 22, 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
6818675 Process for preparing polyurethane foam Nov. 16, 2004
6800667 Mixture containing isocyanates as well as organic and/or inorganic acid anhydrides Oct. 5, 2004
6794420 Methods of producing stable novel black polyurethane articles with polymeric colorants Sep. 21, 2004
6784220 Polyurethane foam Aug. 31, 2004
6777456 Method for producing a rigid 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
6759363 Activators for the production of polyurethane foams Jul. 6, 2004
6747069 Tertiary alkanolamine polyurethane catalysts derived from long chain alkyl and fatty carboxylic acids Jun. 8, 2004
6740686 Process for the manufacture of polyurethane foam, amine polyesterpolyol used in this process and foam obtained May. 25, 2004
6737446 Tertiary amino alkyl amide catalysts for improving the physical properties of polyurethane foams May. 18, 2004
6737471 Polyurethane elastomers which exhibit improved stability to hydrolysis May. 18, 2004
6723819 Catalyst for production of a polyurethane resin and method for producing a polyurethane resin Apr. 20, 2004
RE38415 Use of N-(aminoalkyl) pyrrolidines as catalysts for the polyisocyanate polyaddition process Feb. 3, 2004
6676849 Low yellowing scorch inhibitor composition Jan. 13, 2004
6660781 Process for preparing polyurethane foam Dec. 9, 2003
6660783 Preparation of highly resilient polyurethane foams Dec. 9, 2003
6653361 Flame retardant polyurethane composition and method of manufacture thereof Nov. 25, 2003
6642283 Stable novel black polyurethane article colorants Nov. 4, 2003
6602926 Catalyst system for the NCO/OH reaction (polyurethane formation) Aug. 5, 2003
6600001 Alkylamino oxamides as low odor, non-fugitive catalysts for the production of polyurethanes Jul. 29, 2003
6596663 Catalyst composition Jul. 22, 2003
RE38201 Amido functional amine catalysts for the production of polyurethanes Jul. 22, 2003
6590057 Polyurethane elastomers, process for their production and use thereof Jul. 8, 2003
6586487 Low-density, water blown polyurethane foams for energy-absorbing applications Jul. 1, 2003
6586486 Preparation of low-density hydrophilic flexible polyurethane foams Jul. 1, 2003
6586484 Phenol foam Jul. 1, 2003
6586485 Production of flexible polyurethane foams Jul. 1, 2003
6576682 Use of reactive amines for the preparation for polyurethane foams Jun. 10, 2003
6572791 Electroconductive elastic member, elastic member and image formation equipment Jun. 3, 2003
6534555 Catalyst systems for polyurethane polyester foams Mar. 18, 2003
6525108 Scorch inhibiting compositions for polyurethane foams Feb. 25, 2003

1 2 3 4 5 6 7 8 9 10 11


 
 
  Recently Added Patents
High voltage GaN-based transistor structure
Adjustable vehicle headrest assembly
Switchable valve drive element of an internal combustion engine
Multistaged telescope boom
Rack and pinion type steering gear
Microporous hydrophilic membrane
Solid state gimbal system
  Randomly Featured Patents
Sodium-sulfur battery and method of making a double carbon mat-composite sulfur electrode for use in sodium-sulfur cells
Methods for synthesizing ether compounds and intermediates therefor
Silicone compound, a powder surface-treated with this compound, and a makeup containing this powder
Self contained transport apparatus with drawer mount
Process for determining traces of mercury in liquids
Computerized auction system for use with multiple purchasing media
Method and catalyst system for producing aromatic carbonates
Method and apparatus for mechanically obtaining meat from poultry bodies
Non-steroidal suicide substrates of hydroxysteroid dehydrogenase
In orbit space transportation and recovery system