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Class Information
Number: 523/143
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 > Organic polyisocyanate or derived from polyisocyanate > Phenolic, 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.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6883587 |
Polyisocyanate compositions and their use |
Apr. 26, 2005 |
| 6664310 |
Hydrogenfluorides of aminosilanols and their use |
Dec. 16, 2003 |
| 6632856 |
Polyurethane-forming binders |
Oct. 14, 2003 |
| 6559203 |
Foundry binder systems containing an alkyl resorcinol and their use |
May. 6, 2003 |
| 6465542 |
Binder system for moulding mixtures for the production of moulds and cores |
Oct. 15, 2002 |
| 6426374 |
Foundry binder compositions and mixes that contain a divalent sulfur compound |
Jul. 30, 2002 |
| 6365646 |
Method to improve humidity resistance of phenolic urethane foundry binders |
Apr. 2, 2002 |
| 6342543 |
Amine curable foundry binder system |
Jan. 29, 2002 |
| 6291550 |
Solventless polyurethane no-brake foundry binder |
Sep. 18, 2001 |
| 6288139 |
Foundry binder system containing an ortho ester and their use |
Sep. 11, 2001 |
| 6133340 |
Sleeves, their preparation, and use |
Oct. 17, 2000 |
| 6124375 |
Foundry binder systems which contain alcohol modified polyisocyanates |
Sep. 26, 2000 |
| 6071985 |
Catalytic curing agent for resins and method for making the same |
Jun. 6, 2000 |
| 6063833 |
Solventless polyurethane no-bake foundry binder |
May. 16, 2000 |
| 6040355 |
Foundry curing system |
Mar. 21, 2000 |
| 6037389 |
Amine cured foundry binder systems and their uses |
Mar. 14, 2000 |
| 6017978 |
Polyurethane forming no-bake foundry binders |
Jan. 25, 2000 |
| 6013695 |
Foundry binders containing modified polyisocyanates |
Jan. 11, 2000 |
| 5981622 |
Foundry binder of polyurethane, phenolic resin, polyisocyanate and epoxy resin |
Nov. 9, 1999 |
| 5962567 |
Bound multi-component sand additive |
Oct. 5, 1999 |
| 5908914 |
Benzylic ether phenolic resole resins and their uses |
Jun. 1, 1999 |
| 5902840 |
Modified polymeric aromatic isocyanates having allophanate linkages |
May. 11, 1999 |
| 5880174 |
Amine modified polyisocyanates and their use in foundry binder systems |
Mar. 9, 1999 |
| 5874487 |
Foundary binder systems which contain alcohol modified polyisocyanates |
Feb. 23, 1999 |
| 5852071 |
Biphenyl additive for improvement in urethane foundry binders |
Dec. 22, 1998 |
| 5792802 |
Biphenyl additive for improvement in urethane foundry binders |
Aug. 11, 1998 |
| 5786409 |
Foundry resins |
Jul. 28, 1998 |
| 5744518 |
Biphenyl additive for improvement in urethane foundry binders |
Apr. 28, 1998 |
| 5733952 |
Foundry binder of phenolic resole resin, polyisocyanate and epoxy resin |
Mar. 31, 1998 |
| 5621036 |
Bound multi-component sand additive |
Apr. 15, 1997 |
| 5591810 |
Curable furan resin(s) modified with phenolic resin(s) for use as binders for cements and coating compositions having improved thermal stability processes for their preparation and their use |
Jan. 7, 1997 |
| 5567743 |
Reclamation of ester-cured phenolic resin bonded foundry sands |
Oct. 22, 1996 |
| 5516859 |
Polyurethane-forming no-bake foundry binder systems |
May. 14, 1996 |
| 5491180 |
Binder composition for mold making, binder/curing agent composition for mold making, sand composition for mold making, and process of making mold |
Feb. 13, 1996 |
| 5473009 |
Mold material composition and method for preparing mold |
Dec. 5, 1995 |
| 5455287 |
Foundry mixes containing a polyether polyol and their use |
Oct. 3, 1995 |
| 5447968 |
Polyurethane-forming binder systems containing 2,2'-dipyridyl, 1,10-phenanthroline, and their substituted alkyl derivatives |
Sep. 5, 1995 |
| 5346942 |
Monolithic refractories |
Sep. 13, 1994 |
| 5338774 |
Polyurethane-forming binder systems containing a polyphosphoryl chloride |
Aug. 16, 1994 |
| 5281644 |
Ambient temperature hardening binder compositions |
Jan. 25, 1994 |
| 5246457 |
Xenogeneic collagen/mineral preparations in bone repair |
Sep. 21, 1993 |
| RE34228 |
Alkaline benzylic ether phenolic resin binders |
Apr. 20, 1993 |
| 5198478 |
Alkaline resol phenol-aldehyde resin binder compositions |
Mar. 30, 1993 |
| 5189079 |
Low free formaldehyde phenolic polyol formulation |
Feb. 23, 1993 |
| 5180759 |
Exothermic compositions |
Jan. 19, 1993 |
| RE34092 |
Phenolic resin compositions and their use in foundry binders |
Oct. 6, 1992 |
| 5132339 |
Polyurethane-forming foundry binders containing a polyether polyol |
Jul. 21, 1992 |
| 5043412 |
Ambient temperature curing, high carbon contributing compositions |
Aug. 27, 1991 |
| 5043365 |
Novel molding materials |
Aug. 27, 1991 |
| 5021539 |
Alkaline benzylic ether phenolic resin binders |
Jun. 4, 1991 |
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