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Class Information
Number: 521/118
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 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. > -c-xh ingredient contains a nitrogen atom
Description: Subject matter wherein the C-XH ingredient contains a nitrogen atom.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7169823 |
Tertiary alkanolamine polyurethane catalysts derived from long chain alkyl and fatty carboxylic acids |
Jan. 30, 2007 |
| 6894139 |
Catalysts, in particular for the preparation of polyisocyanate polyadducts |
May. 17, 2005 |
| 6800714 |
Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups |
Oct. 5, 2004 |
| 6767929 |
Process for producing polyurethane |
Jul. 27, 2004 |
| 6747069 |
Tertiary alkanolamine polyurethane catalysts derived from long chain alkyl and fatty carboxylic acids |
Jun. 8, 2004 |
| 6730628 |
Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups |
May. 4, 2004 |
| 6600001 |
Alkylamino oxamides as low odor, non-fugitive catalysts for the production of polyurethanes |
Jul. 29, 2003 |
| 6596663 |
Catalyst composition |
Jul. 22, 2003 |
| 6586487 |
Low-density, water blown polyurethane foams for energy-absorbing applications |
Jul. 1, 2003 |
| 6586485 |
Production of flexible polyurethane foams |
Jul. 1, 2003 |
| 6552154 |
Catalyst and process for preparing color-reduced polyisocyanates containing isocyanurate groups |
Apr. 22, 2003 |
| 6534555 |
Catalyst systems for polyurethane polyester foams |
Mar. 18, 2003 |
| 6525107 |
Acid-blocked amine catalysts for the production of polyurethanes |
Feb. 25, 2003 |
| 6458860 |
Advances in urethane foam catalysis |
Oct. 1, 2002 |
| 6444720 |
Open-cell rigid polyurethane foams |
Sep. 3, 2002 |
| 6433032 |
Process for rigid polyurethane foams |
Aug. 13, 2002 |
| 6410608 |
Process for producing polyurethane foam |
Jun. 25, 2002 |
| 6403664 |
Combination of metal salts of ricinoleic acid with reactive amines in producing polyurethane forms |
Jun. 11, 2002 |
| 6387972 |
Process to enhance polyurethane foam performance |
May. 14, 2002 |
| 6337355 |
Two-pack urethane foam composition |
Jan. 8, 2002 |
| 6306918 |
Semi-rigid polyurethane foam |
Oct. 23, 2001 |
| 6194475 |
Use of metal salts of ricinoleic acid in producing polyurethane |
Feb. 27, 2001 |
| 6114402 |
Modified rigid, foamable urethane composition and method |
Sep. 5, 2000 |
| 6077927 |
Process for coloring polymer resins and products thereof |
Jun. 20, 2000 |
| 6046706 |
Antenna mast and method of using same |
Apr. 4, 2000 |
| 5864002 |
Process for coloring polymer resins and products thereof |
Jan. 26, 1999 |
| 5840779 |
Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations |
Nov. 24, 1998 |
| 5770635 |
Polyol composition having good flow and formic acid blown rigid polyurethane foams made thereby having good dimensional stability |
Jun. 23, 1998 |
| 5730896 |
Polymeric foams |
Mar. 24, 1998 |
| 5710191 |
Hydroxymethyl quinuclidine catalyst compositions for making polyurethane foams |
Jan. 20, 1998 |
| 5710190 |
Soy protein-based thermoplastic composition for foamed articles |
Jan. 20, 1998 |
| 5696174 |
Stable and water-resistant aqueous foam composition |
Dec. 9, 1997 |
| 5688834 |
Catalysts which stabilize hydrohalocarbon blowing agent in polyurethane foam formulations |
Nov. 18, 1997 |
| 5679718 |
Microcellular foams containing an infrared attenuating agent and a method of using |
Oct. 21, 1997 |
| 5674918 |
Polyisocyanate based polymers prepare from formulations including non-silicone surfactants and method for the preparation thereof |
Oct. 7, 1997 |
| 5639800 |
Production of flame resistant, halogen-free polyurethane/polyureas |
Jun. 17, 1997 |
| 5633293 |
Hydroxy-functional triamine catalyst compositions for polyurethane production |
May. 27, 1997 |
| 5600019 |
Polyisocyanate based polymers perpared from formulations including non-silicone surfactants and method for the preparation thereof |
Feb. 4, 1997 |
| 5561171 |
Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization |
Oct. 1, 1996 |
| 5539007 |
Catalyst compositions for making polyurethane based on imidazoles and boron compounds |
Jul. 23, 1996 |
| 5512603 |
Hydroxy and amino functional pyrrolizidine catalyst compositions for the production of polyurethanes |
Apr. 30, 1996 |
| 5512204 |
Imino-azacyclopentanepolyol |
Apr. 30, 1996 |
| 5508314 |
Hydroxyl group-containing blowing catalyst compositions for the production of polyurethanes |
Apr. 16, 1996 |
| 5489618 |
Process for preparing polyurethane foam |
Feb. 6, 1996 |
| 5478494 |
Polyol composition having good flow and formic acid blown rigid polyurethane foams made thereby having good dimensional stability |
Dec. 26, 1995 |
| 5457137 |
Water blown, energy absorbing foams |
Oct. 10, 1995 |
| 5405886 |
System for the production of toluene diisocyanate based flexible foams and the flexible foams produced therefrom |
Apr. 11, 1995 |
| 5395859 |
Catalysts which stabilize hydrohalocarbon blowing agent in polyisocyanurate foam formulations during polymerization |
Mar. 7, 1995 |
| 5374666 |
Amine catalyst for producing polyurethane and process for producing polyurethane |
Dec. 20, 1994 |
| 5373028 |
Polyurethane foams having reduced visible emissions during curing |
Dec. 13, 1994 |
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