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Class Information
Number: 564/32
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Amino nitrogen containing (e.g., urea, sulfonamides, nitrosamines, oxyamines, etc., and salts thereof) > Ureas (i.e., hnh-co-hnh, wherein substitution may be made for hydrogen only)
Description: Compounds which have the grouping - -


Sub-classes under this class:

Class Number Class Name Patents
564/58 Additional carbon bonded directly to urea nitrogen 57
564/44 Additional carbonyl bonded directly to urea nitrogen 162
564/57 Alicyclic ring containing 128
564/47 Benzene ring containing 199
564/38 Biurets (i.e., hnh-co-nh-co-hnh, wherein substitution may be made for hydrogen only) 55
564/34 Carbazides or semicarbazides (i.e., hnh-nh-co-hnh, wherein substitution may be made for hydrogen only) 59
564/33 Nitro or nitroso bonded directly to nitrogen 23
564/39 Sulfur attached directly to urea nitrogen by nonionic bonding 44
564/63 Urea per se or salt thereof 66


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
RE40861 Compounds having reversible inhibiting activity of carnitine palmitoyl-transferase Jul. 21, 2009
7521480 Aryl ureido benzoic acid derivatives and their use Apr. 21, 2009
7393961 Polyhalogenated ethers Jul. 1, 2008
7381840 Tetrahydro-naphthalene derivatives Jun. 3, 2008
7371807 Blocked biuretized isocyanates May. 13, 2008
7339020 High-functionality polyisocyanates Mar. 4, 2008
7332529 Thermoreversible organogelators, compositions and methods of making thereof Feb. 19, 2008
7326746 Curable electron donor compositions Feb. 5, 2008
7323532 Low-viscosity radiation-curing and thermally curing polyisocyanates Jan. 29, 2008
7268111 Therapeutic agents and methods of use thereof for the modulation of angiogenesis Sep. 11, 2007
7109375 Zinc and zinc alloy electroplating additives and electroplating methods Sep. 19, 2006
7087676 Blocked polyisocyanates Aug. 8, 2006
7084108 Therapeutic agents and methods of use thereof for the modulation of angiogenesis Aug. 1, 2006
7067553 Thiourea compounds and the pharmaceutical compositions containing the same Jun. 27, 2006
7037890 Therapeutic agents and methods of use thereof for the modulation of angiogenesis May. 2, 2006
7033522 Pulverulent, water-dispersible, blocked polyisocyanate adducts, a process for the preparation and their use Apr. 25, 2006
6908957 Curable electron donor compounds Jun. 21, 2005
6852885 Production method of high purity organic compound Feb. 8, 2005
6841701 Inhibitors for the blood-clotting factor Xa Jan. 11, 2005
6683151 Supramolecular compound Jan. 27, 2004
6656737 Isocynate derivatizing agent and methods of production and use Dec. 2, 2003
6635764 Therapeutic ureas Oct. 21, 2003
6620228 Isocyanate-derived materials for use in phase change ink jet inks Sep. 16, 2003
6583216 Malonic ester-blocked HDI trimer with IPDA stabilization and formaldehyde stabilization Jun. 24, 2003
6548477 Therapeutic agents and methods of use thereof for the modulation of angiogenesis Apr. 15, 2003
6545152 R-isomers of nonnucleoside inhibitors Apr. 8, 2003
6514665 Additives for improving post exposure delay stability of photoresist Feb. 4, 2003
6452003 Process for preparing low-odor and storage-stable monomer-containing polyisocyanurates from isophorone diisocyanate Sep. 17, 2002
6448363 Process for preparing highly reactive (semi)crystalline and amorphous blocked polyisocyanates Sep. 10, 2002
6420466 Process for preparing a thixotropic agent and its use Jul. 16, 2002
6410594 Substituted cyclopentane compounds useful as neuraminidase inhibitors Jun. 25, 2002
6369073 Compounds having reversible inhibiting activity of carnitine palmitoyl-transferase Apr. 9, 2002
6316573 Solid adhesive material which peels off smoothly Nov. 13, 2001
6316478 IL-8 receptor antagonists Nov. 13, 2001
6307001 Curable hybrid electron donor compounds containing vinyl ether Oct. 23, 2001
6300456 Compounds with electron donor and electron acceptor functionality Oct. 9, 2001
6271261 IL-8 receptor antagonists Aug. 7, 2001
6180745 Moisture-curable compositions containing isocyanate and succinyl urea groups Jan. 30, 2001
6114493 Phosgenated oxime resins and their preparation Sep. 5, 2000
6069275 Monomers and polymers and latices therefrom May. 30, 2000
6040339 Urea derivatives having ACAT inhibitory activity, their preparation and their therapeutic and prophylactic use Mar. 21, 2000
5985968 Surface tension reduction with N,N-dialkyl ureas Nov. 16, 1999
5961878 Amine-blocked polyisocyanates and their use in one-component stoving compositions Oct. 5, 1999
5906998 Method for decomposing polymer containing urethane linkage and/or urealinkage May. 25, 1999
5902899 Process for preparing 1, 3-disubstituted urea May. 11, 1999
5852160 Phosgenated oxime resins and their preparation Dec. 22, 1998
5782966 Isocyanate-derived materials for use in phase change ink jet inks Jul. 21, 1998
5739398 Preparation of N-alkenylureas Apr. 14, 1998
5728699 Benzylsulfide derivative, process for its production and pesticide Mar. 17, 1998
5716591 Process for producing calcium nitrate-urea adduct Feb. 10, 1998

1 2


 
 
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