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Class Information
Number: 528/254
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From aldehyde or derivative thereof as reactant > With heterocyclic reactant which is not an aldehyde or derivative > Nonaldehyde or nonaldehyde derivative heterocyclic reactant contains a six membered ring having three nitrogen and three carbon atoms as ring members
Description: Subject matter wherein the reactant which is not an aldehyde or derivative contains a six-membered ring having three nitrogen atoms and three carbon atoms as ring members.










Sub-classes under this class:

Class Number Class Name Patents
528/258 Six-membered heterocycle is other than melamine per se or methylol derivative thereof 57
528/255 Sulfur-containing heterocyclic compound having three nitrogen and three carbon atoms 9
528/256 With reactant containing >nc(=o)- or >n-c(=s)- group, e.g., urea, etc. 108
528/257 With reactant containing at least one noncyclic carbon atom bonded to at least three atoms of nitrogen, e.g., dicyanodiamide, etc. 17


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8541517 Polymer compositions, polymer films and methods and precursors for forming same Sep. 24, 2013
8178627 Oxymethylene copolymer composition for stretching material, stretching material, structures, and process for producing the same May. 15, 2012
8119700 Organic aerogel, composition for forming the same, and method of preparing the same Feb. 21, 2012
8114953 Melamine-formaldehyde condensates with thermoplastic properties Feb. 14, 2012
7989575 Phenol-formaldehyde resole resins, method of manufacture, methods of use, and articles formed therefrom Aug. 2, 2011
7595116 Process for improving the durability, dimensional stability and surface hardness of a wood body Sep. 29, 2009
7494718 Method for improving the surface hardness of a wooden body using an aqueous solution of an impregnating agent Feb. 24, 2009
7399529 Aminoplast resin composition Jul. 15, 2008
7354987 Nitrogen-containing compound, the preparation thereof and application in amino-aldehyde resins Apr. 8, 2008
7326765 Melamine ring-containing co-polymers; methods of making and using the same Feb. 5, 2008
7323534 Phenol-formaldehyde resole resins, method of manufacture, methods of use, and articles formed therefrom Jan. 29, 2008
7267845 Coating systems containing modified crosslinkers Sep. 11, 2007
7214758 Rubber adhesive composition for textile materials May. 8, 2007
7199209 Nitrogen-containing compound, the preparation thereof and application in amino-aldehyde resins Apr. 3, 2007
7169881 Aminoplast resin compositions Jan. 30, 2007
7087683 Sulfonamide modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers Aug. 8, 2006
6992149 Use of carbamate-modified aminoplast resins to improve the appearance and performance of powder coatings Jan. 31, 2006
6962730 Coating composition containing crosslinkable monomeric difunctional compounds having at least thirty carbon atoms Nov. 8, 2005
6881817 Adhesive composition with increased cure rate Apr. 19, 2005
6818726 Polymers from hydroxyalkyl amino triazines and polyfunctional compounds Nov. 16, 2004
6818729 Thermosetting resin and method for producing the same Nov. 16, 2004
6812316 Powder coating compositions and powder slurry coating compositions containing monomeric difunctional compounds Nov. 2, 2004
6812297 Coating systems containing modified crosslinkers Nov. 2, 2004
6809161 Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers Oct. 26, 2004
6761970 Poly(lactic acid) fiber Jul. 13, 2004
6723825 Stable liquid melamine urea formaldehyde resins, hardeners, adhesive compositions, and methods for making same Apr. 20, 2004
6706856 Crystalline melamine and its use in amino-formaldehyde resins Mar. 16, 2004
6670041 Self-crosslinking water-dilutable binders Dec. 30, 2003
6635724 Modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers Oct. 21, 2003
6624284 Fiberplates made of polyamines or polyamine-containing aminoplast resins as binding agents Sep. 23, 2003
6579964 Water-dilutable etherified melamine-formaldehyde resins Jun. 17, 2003
6566459 Melamine-urea-formaldehyde resins modified with cyclic urea prepolymer and sodium metabisulfite May. 20, 2003
6548625 Stable liquid melamine urea formaldehyde resins, hardeners, adhesive compositions, and methods for making same Apr. 15, 2003
6541594 Coating compositions containing crosslinkable monomeric difunctional compounds having at least thirty carbon atoms Apr. 1, 2003
6528582 Method of preparing co-polymer particles Mar. 4, 2003
6503615 Wiping cleaner Jan. 7, 2003
6495655 Production of amino-aldehyde-phosphate resins and copolymers Dec. 17, 2002
6482874 Method of accelerating hardening of thermosetting resin and device therefor Nov. 19, 2002
6410776 Method for producing resols Jun. 25, 2002
6399719 Cyclic urea-formaldehyde prepolymer-modified melamine-containing resins, and use in binders for cellulosic-based composites Jun. 4, 2002
6369171 Cyclic urea-formaldehyde prepolymer for use in phenol-formaldehyde and melamine-formaldehyde resin-based binders Apr. 9, 2002
6307007 Polycondensation products and their use as dyeing aids Oct. 23, 2001
6291632 Microspheres of melamine Sep. 18, 2001
6258898 Amino resins functionalized with carbamate groups and coating compositions containing the same Jul. 10, 2001
6245853 Method of preparing co-polymer particles Jun. 12, 2001
6245438 Cyclic urea-formaldehyde prepolymer for use in phenol-formaldehyde and melamine-formaldehyde resin-based binders Jun. 12, 2001
6214965 Process for preparing an aqueous solution of sulfanilic acid modified melamine-formaldehyde resin and a cement composition Apr. 10, 2001
6207791 Low formaldehyde emitting crosslinking agents, process of preparation and curable compositions thereof Mar. 27, 2001
6201095 Color improvement of DME-melamine resins Mar. 13, 2001
6136200 Treatment for paint and lacquer waste water Oct. 24, 2000

1 2 3 4 5 6










 
 
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