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Class Information
Number: 521/163
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 derived from a -n=c=x containing reactant wherein x is a chalcogen atom > With nitrogen containing reactant
Description: Subject matter wherein a nitrogen containing material is reacted with a -N=C=X containing reactant.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7414080 |
Polyurethane polishing pad |
Aug. 19, 2008 |
| 7259191 |
Multi-layer golf ball with a foamed intermediate layer |
Aug. 21, 2007 |
| 7199168 |
Process for making cellular composites using polymeric isocyanates as binders for hollow filler particles |
Apr. 3, 2007 |
| 7129279 |
Lightweight tire support and composition and method for making a tire support |
Oct. 31, 2006 |
| 7078443 |
Viscoelastic foam layer and composition |
Jul. 18, 2006 |
| 7056958 |
Methods of production of high-strength black polyurethane foams |
Jun. 6, 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 |
| 6878753 |
Process for producing polyurethane foam |
Apr. 12, 2005 |
| 6861453 |
Process for producing a urethane-modified polyisocyanurate foam |
Mar. 1, 2005 |
| 6855739 |
Modified polyurethane foamed materials used as adsorbents |
Feb. 15, 2005 |
| 6818675 |
Process for preparing polyurethane foam |
Nov. 16, 2004 |
| 6808800 |
Rigid polyurethane foam and heat insulating construction element comprising the same |
Oct. 26, 2004 |
| 6800715 |
Lightweight tire support and composition and method for making a tire support |
Oct. 5, 2004 |
| 6767929 |
Process for producing polyurethane |
Jul. 27, 2004 |
| 6765034 |
Flame-resistant and sound- and vibration-insulating member for vehicles, and process of manufacturing the same |
Jul. 20, 2004 |
| 6759363 |
Activators for the production of polyurethane foams |
Jul. 6, 2004 |
| 6740686 |
Process for the manufacture of polyurethane foam, amine polyesterpolyol used in this process and foam obtained |
May. 25, 2004 |
| 6649726 |
Two-component type polyurethane composition and process of preparing the same |
Nov. 18, 2003 |
| 6627671 |
Methods for making urethane molded products for polishing pads |
Sep. 30, 2003 |
| RE38201 |
Amido functional amine catalysts for the production of polyurethanes |
Jul. 22, 2003 |
| 6590003 |
Method for producing soft to semi-rigid polyurethane integral foamed materials |
Jul. 8, 2003 |
| 6548616 |
Lightweight tire support and composition and method for making a tire support |
Apr. 15, 2003 |
| 6534555 |
Catalyst systems for polyurethane polyester foams |
Mar. 18, 2003 |
| 6495722 |
Mannich polyols for rigid spray foams |
Dec. 17, 2002 |
| 6458860 |
Advances in urethane foam catalysis |
Oct. 1, 2002 |
| 6455606 |
Polyurethane foam, process for producing the same, and foam forming composition |
Sep. 24, 2002 |
| 6455605 |
Foamable composition exhibiting instant thixotropic gelling |
Sep. 24, 2002 |
| 6433033 |
High-durability flexible polyurethane cold cure molded foam and process for producing the same |
Aug. 13, 2002 |
| 6433032 |
Process for rigid polyurethane foams |
Aug. 13, 2002 |
| 6420446 |
Polyurethane prepared from sorbitol-branched polyesters |
Jul. 16, 2002 |
| 6387972 |
Process to enhance polyurethane foam performance |
May. 14, 2002 |
| 6380274 |
Catalyst compositions for the production of polyurethanes |
Apr. 30, 2002 |
| 6362302 |
Method and compositions for spray molding polyurethane three dimensional objects |
Mar. 26, 2002 |
| 6355700 |
Foamed thermal insulating material and insulated structure |
Mar. 12, 2002 |
| 6346559 |
Polyurethane foam and associated process for production |
Feb. 12, 2002 |
| 6316513 |
Process for the producing of hard polyurethane foams with low heat conductivity |
Nov. 13, 2001 |
| 6303669 |
Flexible polyurethane foam |
Oct. 16, 2001 |
| 6288133 |
Foaming urethane composition and methods of using such compositions |
Sep. 11, 2001 |
| 6274639 |
High build polyurethane coating |
Aug. 14, 2001 |
| 6248801 |
Tertiary amine-containing active methylene compounds for improving the dimensional stability of polyurethane foam |
Jun. 19, 2001 |
| 6156814 |
Amido functional amine catalysts for the production of polyurethanes |
Dec. 5, 2000 |
| 6153659 |
3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide for the production of polyurethanes |
Nov. 28, 2000 |
| 6136879 |
Soft polyurethane foam, method of producing the same and vehicle interior member using the same |
Oct. 24, 2000 |
| 6130267 |
Fire retardant compositions |
Oct. 10, 2000 |
| 6084001 |
High build polyurethane coating |
Jul. 4, 2000 |
| 6063824 |
Microcellular urea-containing polyurethane elastomer |
May. 16, 2000 |
| 6060531 |
Production of low-fogging polyurethane foams, and specific polyoxyalkylene-polyols which can be used for this purpose |
May. 9, 2000 |
| 6037496 |
3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide for the production of polyurethanes |
Mar. 14, 2000 |
| 6020392 |
Polyurea elastomeric microcellular foam |
Feb. 1, 2000 |
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