| |
 |
|
Class Information
Number: 523/146
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 > With or derived from carboxylic acid or salt thereof, or organic sulfur material
Description: Subject matter wherein the composition contains or reacts with a carboxylic acid, carboxylic acid salt, or organic sulfur material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6429236 |
Acrylic-modified phenolic-urethane foundry binders |
Aug. 6, 2002 |
| 6387983 |
Foundry mixes containing an aliphatic mercaptan |
May. 14, 2002 |
| 6232368 |
Ester cured binders |
May. 15, 2001 |
| 5760104 |
Mixtures of phenolic novolaks for use with refractory aggregate and methods for making same |
Jun. 2, 1998 |
| 5646199 |
Composition for mold |
Jul. 8, 1997 |
| 5602192 |
Process for producing sand mold |
Feb. 11, 1997 |
| 5567743 |
Reclamation of ester-cured phenolic resin bonded foundry sands |
Oct. 22, 1996 |
| 5459178 |
Foundry mixes and their uses |
Oct. 17, 1995 |
| 5420174 |
Method of producing coated proppants compatible with oxidizing gel breakers |
May. 30, 1995 |
| 5405881 |
Ester cured no-bake foundry binder systems |
Apr. 11, 1995 |
| 5376696 |
Foundry mixes based upon reclaimed sand |
Dec. 27, 1994 |
| 5346942 |
Monolithic refractories |
Sep. 13, 1994 |
| 5294648 |
Alkaline resol phenol-aldehyde resin binder composition |
Mar. 15, 1994 |
| 5281644 |
Ambient temperature hardening binder compositions |
Jan. 25, 1994 |
| 5234973 |
Compositions for foundry molding processes utilizing reclaimed sand |
Aug. 10, 1993 |
| 5223554 |
Accelerators for curing phenolic resole resins |
Jun. 29, 1993 |
| 5218010 |
Accelerators for refractory magnesia |
Jun. 8, 1993 |
| 5214079 |
Accelerators for curing phenolic resole resins |
May. 25, 1993 |
| 5208274 |
Retarders for hardening phenolic resins |
May. 4, 1993 |
| RE34228 |
Alkaline benzylic ether phenolic resin binders |
Apr. 20, 1993 |
| 5198478 |
Alkaline resol phenol-aldehyde resin binder compositions |
Mar. 30, 1993 |
| 5182347 |
Accelerators for refractory magnesia |
Jan. 26, 1993 |
| 5180795 |
Retarders for hardening phenolic resins |
Jan. 19, 1993 |
| 5179177 |
Method for retarding ambient temperature hardening of a phenolic resin composition |
Jan. 12, 1993 |
| 5145887 |
High surface area magnesia as hardener for phenolic resins |
Sep. 8, 1992 |
| 5077323 |
Method to improve flowability of alkaline phenolic resin coated sand |
Dec. 31, 1991 |
| 5051454 |
Phenolic resin compositions |
Sep. 24, 1991 |
| 5043412 |
Ambient temperature curing, high carbon contributing compositions |
Aug. 27, 1991 |
| 5032642 |
Phenolic resin compositions |
Jul. 16, 1991 |
| 5021539 |
Alkaline benzylic ether phenolic resin binders |
Jun. 4, 1991 |
| 4997860 |
Sand casting caking agent |
Mar. 5, 1991 |
| 4980394 |
Foundry moulding composition |
Dec. 25, 1990 |
| 4939188 |
Lithium-containing resole composition for making a shaped refractory article and other hardened articles |
Jul. 3, 1990 |
| 4929649 |
Cold-setting moulding binders and their use (phenols and gaseous acetals) |
May. 29, 1990 |
| RE32812 |
Foundry moulds and cores |
Dec. 27, 1988 |
| 4789693 |
Heat curable foundry mixes and binder compositions |
Dec. 6, 1988 |
| 4767801 |
Molding material and mold |
Aug. 30, 1988 |
| 4760101 |
Polyurethane-forming binder compositions containing certain carboxylic acids as bench life extenders |
Jul. 26, 1988 |
| 4740535 |
Phenolic resin binders for foundry and refractory uses |
Apr. 26, 1988 |
| 4735973 |
Additive for sand based molding aggregates |
Apr. 5, 1988 |
| 4732920 |
High strength particulates |
Mar. 22, 1988 |
| 4678817 |
Novel desensitized ketone peroxide compositions and their use in the manufacture of foundry cores or moulds |
Jul. 7, 1987 |
| 4600733 |
Disintegration assistant for casting molds |
Jul. 15, 1986 |
| 4597991 |
Method for producing heat curable particles |
Jul. 1, 1986 |
| 4584328 |
Method of accelerating the breakdown of phenolic resin bonded cores |
Apr. 22, 1986 |
| 4568728 |
Foundry binder with improved breakdown and improved thermal reclamation properties |
Feb. 4, 1986 |
| 4539343 |
Refractory material |
Sep. 3, 1985 |
| 4501836 |
Liquid refractory binder |
Feb. 26, 1985 |
| 4478962 |
Binder compositions comprising furfuryl ester and furfuryl ester-furuyl alcohol combinations |
Oct. 23, 1984 |
| 4474904 |
Foundry moulds and cores |
Oct. 2, 1984 |
|
|
|
