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Class Information
Number: 523/451
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Processes of preparing a desired or intentional composition of at least one nonreactant material and at least one solid polymer or specified intermediate condensation product, or product thereof > Process of forming a composition containing a nonreactive material (nrm) and a polymer containing more than one 1,2-epoxy group, or a preformed polymer derived from or admixed with a reactant containing more than one 1,2-epoxy group, or with a polymer derived from an epihalohydrin and a polyhydric phenol or polyol; or composition or product thereof > Phosphorus dnrm
Description: Subject matter wherein the DNRM is a phosphorous compound, e.g., triphenyl phosphite, zinc phosphate, etc.

Sub-classes under this class:

Class Number Class Name Patents
523/452 Phosphorus directly bonded to nitrogen 26

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8709587 Resin composition, prepreg, resin sheet, metal-clad laminate, printed wiring board, multilayer printed wiring board and semiconductor device Apr. 29, 2014
8710122 Halogen-free flame retardants for epoxy resin systems Apr. 29, 2014
8663803 Varnish composition, and pre-impregnated manufacture thereof Mar. 4, 2014
8617705 Adhesive composition and sheet for forming semiconductor wafer-protective film Dec. 31, 2013
8552572 Resin composition for encapsulating semiconductor and semiconductor device using the same Oct. 8, 2013
8362116 Low dielectric resin varnish composition for laminates and the preparation thereof Jan. 29, 2013
8349224 Melamine phenylphosphonate flame retardant compositions Jan. 8, 2013
8278401 Radiation or thermally curable barrier sealants Oct. 2, 2012
8278375 Mixed phosphonate flame-retardants Oct. 2, 2012
8202580 Catalyst for curing epoxides Jun. 19, 2012
8198381 Phenol aralkyl epoxy resin with secondary hydroxyl groups Jun. 12, 2012
8188165 Fire-retardant low-density epoxy composition May. 29, 2012
8148831 Latent catalyst for epoxy resin, epoxy resin composition, and semiconductor device Apr. 3, 2012
8124674 Halogen-free resin composition with high frequency dielectric property, and prepreg and laminate made therefrom Feb. 28, 2012
8088490 Varnish, prepreg, and substrate thereof Jan. 3, 2012
8084519 Curing accelerator for epoxy resin composition, and one-pack type thermosetting epoxy resin composition Dec. 27, 2011
8084518 Ethylenebis(hydroxyalkylphosphinic acid) and salts thereof Dec. 27, 2011
8021752 Epoxy resin composition for carbon-fiber-reinforced composite material, prepreg, integrated molding, fiber-reinforced composite sheet, and casing for electrical/electronic equipment Sep. 20, 2011
8017671 Thermosetting resin for expediting a thermosetting process Sep. 13, 2011
8013039 Encapsulant composition for a light-emitting diode Sep. 6, 2011
7910639 Resin compositions, prepregs and laminates Mar. 22, 2011
7858173 Thermoplastic polyhydroxy polyether resin and resin composition comprising the same Dec. 28, 2010
7834070 Halogen-free and thermal resistant composition Nov. 16, 2010
7824754 Peeling sheet with adhesive of epoxy acrylate, non-unsaturated resin and bis(methacryloyloxyethyl) hydrogen phosphate Nov. 2, 2010
7820740 Flame retardant adhesive composition, and adhesive sheet, coverlay film and flexible copper-clad laminate using same Oct. 26, 2010
7820741 Flame retardant adhesive composition, and adhesive sheet, coverlay film and flexible copper-clad laminate using same Oct. 26, 2010
7795744 Cationically curable epoxy resin composition Sep. 14, 2010
7754790 Adhesive of epoxy acrylate, non-unsaturated resin and bis(methacryloylethyl) hydrogen phosphate Jul. 13, 2010
7674865 Photosemiconductor encapsulant of epoxy resin, anhydride and aromatic silicone resin Mar. 9, 2010
7618711 Resin coated metal plate having excellent formability, weldability and corrosion resistance, and worked articles using the resin coated metal plate and method for manufacturing same Nov. 17, 2009
7585904 Curing accelerator, curable resin composition and electronic parts device Sep. 8, 2009
7544727 Encapsulant of epoxy resin, curing agent, and secondary aminosilane coupling agent or phosphate Jun. 9, 2009
7524394 Flame retardant adhesive composition, and adhesive sheet, coverlay film and flexible copper-clad laminate using same Apr. 28, 2009
7524563 Flame retardant adhesive composition, and adhesive sheet, coverlay film and flexible copper-clad laminate using same Apr. 28, 2009
7511383 Flame retardant and an epoxy resin composition comprising the same for encapsulating semiconductor devices Mar. 31, 2009
7476444 Layer of reaction product of epoxy and phosphorus materials and curing agent on substrate Jan. 13, 2009
7423097 Glycidyloxy groups-containing polybutadiene, mono-oxetane compound and cationic photoinitiator Sep. 9, 2008
7396588 Curable composition, varnish and laminate Jul. 8, 2008
7320830 Flame-retardant heat-resistant resin composition and adhesive film comprising the same Jan. 22, 2008
7169474 Epoxy resin composition and semiconductor device Jan. 30, 2007
7160609 Curable composition, varnish, and layered product Jan. 9, 2007
7144763 Epoxy resin compositions, solid state devices encapsulated therewith and method Dec. 5, 2006
7138445 Flame retardant thermoplastic resin composition Nov. 21, 2006
7084194 Halogen-free resin composition Aug. 1, 2006
7070861 Flame retardant epoxy resin composition, and prepreg and fiber-reinforced composite materials made by using the composition Jul. 4, 2006
7064157 Flame retardant resin and flame retardant composition containing the same Jun. 20, 2006
7053138 Flame-proofing agents May. 30, 2006
6955848 Curable composition and multilayered circuit substrate Oct. 18, 2005
6933332 Powdered epoxy composition Aug. 23, 2005
6924328 Stabilized coating compositions Aug. 2, 2005

1 2 3 4 5

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