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Class Information
Number: 544/193
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen as the only ring hetero atoms (class 540, subclass 1) > Hetero ring is six-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazines, etc.) > Triazines > Trimerization process to form the triazine ring
Description: Processes wherein the six-membered hetero ring is formed by a trimerization reaction of a monomer.


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7556910 Photosensitive composition comprising triazine-based photoactive compound containing oxime ester Jul. 7, 2009
7553963 Liquid partially trimerized and allophanized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate Jun. 30, 2009
7524435 (Cyclo)condensation of isocyanate compounds Apr. 28, 2009
7449574 Triazine based photoactive compound containing oxime ester Nov. 11, 2008
7439357 Process for preparing thiazole by aminomethylation Oct. 21, 2008
7317112 Catalysts for selective isocyanate dimerization Jan. 8, 2008
7205374 Two-part polyurethane adhesive for bonding insulation boards to a roof deck Apr. 17, 2007
7091341 Catalyst and a method for the trimerization of isocyanates Aug. 15, 2006
7060817 Sulfonamide anions as catalysts for NCO oligomerization Jun. 13, 2006
7001973 Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups Feb. 21, 2006
6992186 Process for preparing low-monomer-content TDI trimers Jan. 31, 2006
6936678 Process for preparing low-monomer-content TDI trimers Aug. 30, 2005
6875243 Catalysts for preparing polyisocyanates containing isocyanurate groups, and their use Apr. 5, 2005
6800721 Unsaturated oligophenol cyanates Oct. 5, 2004
6797739 Triazene-based compound comprising functionalized alkylthio groups, and photopolymerization initiator Sep. 28, 2004
6765111 Process for the production of polyisocyanates containing isocyanurate groups and their use Jul. 20, 2004
6703471 Preparation of low-odor-storage-stable monomer-containing polyisocyanurates based on isophorone diisocyante Mar. 9, 2004
6653432 Condensation polymerization method for isocyanates Nov. 25, 2003
6642382 Method for obtaining slightly colored branched polyisocyanate(s), and the resulting composition Nov. 4, 2003
6635761 Catalyst and method for trimerization of isocyanates Oct. 21, 2003
6613863 Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups Sep. 2, 2003
6596819 Polyisocyanate curing agent for laminate adhesive and process for production thereof Jul. 22, 2003
6515125 Liquid partially trimerized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate Feb. 4, 2003
6495650 1,4-Diisocyanato-2,2,6-trimethylcyclohexane polyisocyanates containing isocyanurate groups, a process for the preparation and use Dec. 17, 2002
6452003 Process for preparing low-odor and storage-stable monomer-containing polyisocyanurates from isophorone diisocyanate Sep. 17, 2002
6444814 Optically active epoxy compound Sep. 3, 2002
6420508 Light-fast polyisocyanates having good solubility in non-polar solvents Jul. 16, 2002
6372435 Methods of surveying for CC (Beta) chemokine receptor variants and their association with HIV-1 transmission and/or disease progression Apr. 16, 2002
6197844 Floor finish compositions Mar. 6, 2001
6136827 Cyclic amine modulations of chemokine receptor activity Oct. 24, 2000
6127308 Trimer catalyst system for aliphatic and aromatic isocyanates Oct. 3, 2000
6107484 Process for preparing polyisocyanates containing iminooxadiazinedione groups Aug. 22, 2000
6093817 Process for preparing a reduced-color isocyanurate-functional polyisocyanate prepared from 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane (IPDI) Jul. 25, 2000
6090939 Process for preparing polyisocyanates containing iminooxadiazinedione groups Jul. 18, 2000
6028212 Solid vinyl ether terminated urethane curing agent Feb. 22, 2000
6028158 Freeze-stable allophanate-modified toluene diisocyanate trimers Feb. 22, 2000
5955609 Trimer catalyst system for aliphatic and aromatic isocyanates Sep. 21, 1999
5939547 Formation of blocked isocyanurate group-containing polyisocyanates from partially blocked isocyanates Aug. 17, 1999
5935954 Compounds with improved multi-drug resistance activity Aug. 10, 1999
5905151 Trimer catalyst for aliphatic and aromatic isocyanates May. 18, 1999
5849855 Blocked polyisocyanate composition and one-pack thermocuring resin composition comprising the same Dec. 15, 1998
5798431 Process for the production of polyisocyanates containing isocyanurate groups from aliphatic and aromatic isocyanate compounds Aug. 25, 1998
5789519 High viscosity, high equivalent weight polyisocyanate mixtures containing allophanate and isocyanurate groups and their use in coating compositions Aug. 4, 1998
5723564 Process for preparing isocyanurate group-containing polyisocyanates and their use in two-component coating compositions Mar. 3, 1998
5714564 Low viscosity polyisocyanates prepared from monomeric triisocyanates Feb. 3, 1998
5710191 Hydroxymethyl quinuclidine catalyst compositions for making polyurethane foams Jan. 20, 1998
5691440 Catalyst and process for producing isocyanate trimers Nov. 25, 1997
5606004 Lacquer polyisocyanates with aliphatically and aromatically bound isocyanate groups Feb. 25, 1997
5576411 Low surface energy polyisocyanates and their use in one-or two component coating compositions Nov. 19, 1996
5552507 Diisocyanates and processes for their production and use Sep. 3, 1996

1 2 3 4


 
 
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