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Class Information
Number: 523/145
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 > Composition related to metal foundry molding or metallurgical furnace or process of preparing > Phenolic or amine or ketone condensate with aldehyde
Description: Subject matter wherein the composition contains or reacts with a phenol-aldehyde, aldehyde-ketone, or amine-aldehyde, condensate.










Sub-classes under this class:

Class Number Class Name Patents
523/146 With or derived from carboxylic acid or salt thereof, or organic sulfur material 62
523/147 With or derived from organic hydroxyl group containing material containing eight or more carbon atoms 57


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8436073 Lignite-based foundry resins May. 7, 2013
8349752 Plate brick and production method therefor Jan. 8, 2013
8148463 Alkaline resol phenol-aldehyde resin binder compositions Apr. 3, 2012
8133933 Binder compositions compatible with thermally reclaiming refractory particulate material from molds used in foundry applications Mar. 13, 2012
7984750 Binder degradation of sand cores Jul. 26, 2011
7928151 Resin composition for shell mold and resin coated sand Apr. 19, 2011
7919179 Resin-coated sand for multilayer mold Apr. 5, 2011
7717994 Coating materials for cores May. 18, 2010
7579075 Phenolic novolak resin for shell mold, process for producing the same, and resin coated sand Aug. 25, 2009
7407994 Cold-box binders containing an epoxy resin, acrylate, and isooctyl tallate Aug. 5, 2008
7270879 Particulate material containing thermoplastics and methods for making and using the same Sep. 18, 2007
7129283 Binders containing an epoxy resin, an ester of a fatty acid, and a fluorinated acid Oct. 31, 2006
7122583 Cold-box binders containing an epoxy resin, acrylate, and certain akyl esters Oct. 17, 2006
7081487 Cold-box binders containing an epoxy resin and ester of a fatty acid Jul. 25, 2006
7019047 Acrylate-free binders containing an epoxy resin and an alkyl silicate Mar. 28, 2006
6818707 Spray dried phenolic resole molding powder with crystalline phenolic compounds Nov. 16, 2004
6772820 Polyurethane based binder system for the manufacture of foundry cores and molds Aug. 10, 2004
6710101 High surface area magnesia curing agent Mar. 23, 2004
6684936 Erosion-resistant cold-box foundry binder systems Feb. 3, 2004
6686402 Cold-box foundry binder systems Feb. 3, 2004
6662854 Cold-box foundry binder systems having improved shakeout Dec. 16, 2003
6632527 Composite proppant, composite filtration media and methods for making and using same Oct. 14, 2003
6604567 Free radically cured cold-box binders containing an alkyl silicate Aug. 12, 2003
6593397 Furan no-bake foundry binders and their use Jul. 15, 2003
6569918 Polymer composition for curing novolac resins May. 27, 2003
6559203 Foundry binder systems containing an alkyl resorcinol and their use May. 6, 2003
6554051 Phenolic resin and binding agent for producing moulds and cores according to the phenolic resin-polyurethane method Apr. 29, 2003
6479567 Furan no-bake foundry binders and their use Nov. 12, 2002
6429236 Acrylic-modified phenolic-urethane foundry binders Aug. 6, 2002
6426374 Foundry binder compositions and mixes that contain a divalent sulfur compound Jul. 30, 2002
6406789 Composite proppant, composite filtration media and methods for making and using same Jun. 18, 2002
6232368 Ester cured binders May. 15, 2001
6172133 Caking additive composition for forming self-hardening mold Jan. 9, 2001
6133359 Non-stick coatings Oct. 17, 2000
6046252 Curatives for phenolic novolacs Apr. 4, 2000
6017978 Polyurethane forming no-bake foundry binders Jan. 25, 2000
5962567 Bound multi-component sand additive Oct. 5, 1999
5925691 Binder composition for mold and method for producing mold Jul. 20, 1999
5910521 Benzoxazine polymer composition Jun. 8, 1999
5908914 Benzylic ether phenolic resole resins and their uses Jun. 1, 1999
5861446 Coated sand composition for light-alloy casting Jan. 19, 1999
5856375 Use of bisphenol a tar in furan no-bake foundry binders Jan. 5, 1999
5840785 Molding process feedstock using a copper triflate catalyst Nov. 24, 1998
5760104 Mixtures of phenolic novolaks for use with refractory aggregate and methods for making same Jun. 2, 1998
5731249 Spray-on refractory composition Mar. 24, 1998
5686506 Mixtures of phenolic novolaks for use with refractory aggregate and methods for making same Nov. 11, 1997
5650478 Liquid binding agents Jul. 22, 1997
5648404 Curatives for phenolic novolacs Jul. 15, 1997
5646199 Composition for mold Jul. 8, 1997
5621036 Bound multi-component sand additive Apr. 15, 1997

1 2 3 4










 
 
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