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| Number | Title | Issue Date |
| 7217782 | Cooling of pellets from pet solid stating reactor with water Energy savings are realized during the commercial production of polyethylene terephthalate by partially cooling polyethylene terephthalate pellets exiting a solid stating reactor by contact with water, and using the residual heat stored in the pellets to vaporize as... | 05/15/2007 |
| 7208026 | Heat-resistant filter To provide a heat resistant filter of which the reduction of tensile strength and folding endurance is small even when used as a filter material for a filter used at high temperatures, failure of the filter material is difficult even when used at high temperatures, ... | 04/24/2007 |
| 7192634 | Flexible polymer element as toughening agent in prepregs A flexible polymer element for a curable composition wherein the flexible polymer element is in solid phase and adapted to undergo at least partial phase transition to fluid phase on contact with a component of the curable composition in which it is soluble at a tem... | 03/20/2007 |
| 7122132 | Branched vapor-grown carbon fiber, electrically conductive transparent composition and use thereof A branched vapor-grown carbon fiber having an outer diameter of 0.5 μm or less and an aspect ratio of at least 10, the carbon fiber having a compressed specific resistance of 0.02 Ω·cm or less, each fiber filament having a hollow cylindrical structure, preferably... | 10/17/2006 |
| 7012124 | Solid polymeric electrolytes for lithium batteries Novel conductive polyanionic polymers and methods for their preparion are provided. The polyanionic polymers comprise repeating units of weakly-coordinating anionic groups chemically linked to polymer chains. The polymer chains in turn comprise repeating spacer grou... | 03/14/2006 |
| 6984701 | Polymeric dispersants to improve smear in printing This invention relates to polymeric dispersants useful in ink jet ink compositions. The graft polymers comprise monomers having electron rich functional groups, which exhibit favorable interactions with the surface of pigment particles thereby better stabilizing the... | 01/10/2006 |
| 6977278 | Cyanoacrylate compositions curable to flexible polymeric materials A cyanoacrylate composition comprising (i) at least one lower cyanoacrylate monomer component selected from ethyl cyanoacrylate or methoxy ethylcyanoacrylate; (ii) at least one higher cyanoacrylate monomer component than in an amount greater than 12% by weight based... | 12/20/2005 |
| 6926930 | Process for coating the surface of plastics Process for coating the surface of plastics comprising absorbing the vapor one or more internal reagent(s) in the plastic to be coated, and contacting one or more external reagent(s) with the surface of the plastic, wherein an immobilized coating is formed by a chem... | 08/09/2005 |
| 6750274 | Weldable coating of phosphated epoxy polymer, curing agent and electroconductive pigment A curable coating composition is disclosed comprising a resinous binder comprising (a) a reaction product of an epoxy-containing polymer with a compound containing phosphorus acid groups, the reaction product having reactive functional groups, and (b) a curing agent... | 06/15/2004 |
| 5944938 | wood bonding method The invention is a method of gluing wood using a reactive two component thermosetting adhesive such as a phenol-resorcinol-formaldehyde (PRF) condensation product. One component is first coated on one of the members to be bonded. The second component is t... | 08/31/1999 |
| 5760104 | Mixtures of phenolic novolaks for use with refractory aggregate and methods for making same A binder solution of a phenolic novolak resin in solvent, preferably furfuryl alcohol containing at least one chemical agent such as amines containing one to five, preferably two to four, nitrogen atoms, glycerine or mixtures thereof. Preferably, the bind... | 06/02/1998 |
| 5646199 | Composition for mold A binder resin composition, a curing agent composition, a caking additive composition, a kit, a casting mold composition and a process for manufacturing a casting mold are disclosed, wherein a metallic compound containing a metallic element belonging to G... | 07/08/1997 |
| 5523361 | Process for crystallizing polyethylene naphthalate Polyethylene naphthalate pellets coated with an alkylene carbonate such as ethylene carbonate or propylene carbonate crystallize more quickly and at lower temperature than uncoated pellets, reducing the tendency of the pellets to stick together during the... | 06/04/1996 |
| 5498647 | Resorcinol glutaraldehyde resin as an accelerator for curing phenolic formaldehyde resins The invention relates to the use of a resorcinol-glutaraldehyde reaction product as an accelerator for thermosetting phenolic resin and to a method of making the accelerator. Further, the invention relates to a resin blend comprising phenol-formaldehyde a... | 03/12/1996 |
| 5492998 | Cross-linked tertiary-amine polymers Novel polymers of general formula: ##STR1## wherein R is an alkyl or aryl group that contains an active hydrogen atom (as determined by the Zerewitinoff test); A is a spacing group having at least one carbon atom; B is a spacing group having at least... | 02/20/1996 |
| 5434224 | Thermoset and polyarylsulfone resin system that forms an interpenetrating network A polymer composition especially suitable for producing fiber-reinforced structures having advantageous fracture toughness comprises a polyarylsulphone component and a thermoset resin component, each of which components is present at least partly as a pha... | 07/18/1995 |
| 5364902 | Resorcinol-glutaraldehyde resin as an accelerator for curing phenol-formaldehyde resins The invention relates to the use of a resorcinol-glutaraldehyde reaction product as an accelerator for thermosetting phenolic resin and to a method of making the accelerator. Further, the invention relates to a resin blend comprising phenol-formaldehyde a... | 11/15/1994 |
| 5336717 | Graft copolymers containing fluoroaliphatic groups A fluorochemical graft copolymer comprising: a base polymer comprising polymerized units derived from monomers having terminal olefinic double bonds, having a moiety comprising a fluoroaliphatic group grafted thereto. Also disclosed are processes for prep... | 08/09/1994 |
| 5266365 | Epoxy polymeric nonlinear optical materials The present invention is directed to an epoxy-containing polymeric material having nonlinear optical properties, particularly a glycidyl amine polymer, and a process for making the nonlinear optical (NLO) epoxy-containing polymeric material including poli... | 11/30/1993 |
| 5254440 | Selected methylol-substituted trihydroxybenzophenones and their use in phenolic resin compositions and processes of forming resist images A methylol-substituted trihydroxybenzophenone of the formula (I): ##STR1## This methylol-substituted trihydroxybenzophenone may be reacted with selected phenolic monomers during or after the formation of a phenolic novolak resin thereby said resin ha... | 10/19/1993 |
| 5231150 | Polymer composition A polymer composition especially suitable for producing fibre-reinforced structures having advantageous fracture toughness comprises a polyarylsulphone component and a thermoset resin component, each of which components is present at least partly as a pha... | 07/27/1993 |
| 5223554 | Accelerators for curing phenolic resole resins There are disclosed methods and compositions for accelerating the hardening of phenolic resole resins having a pH of about 4.5 to 9.5 with lightburned magnesium oxide or magnesium hydroxide, with or without the addition of an ester functional hardening ag... | 06/29/1993 |
| 5182346 | Accelerators for curing phenolic resole resins There are disclosed methods and compositions for accelerating the hardening of phenolic resole resins having a pH of about 4.5 to 9.5 with lightburned magnesium oxide or magnesium hydroxide, with or without the addition of an ester functional hardening ag... | 01/26/1993 |
| 5180795 | Retarders for hardening phenolic resins There is disclosed methods and compositions for retarding the room temperature hardening of phenolic resole resins when such resins are mixed with lightburned magnesium oxide with or without an ester functional hardening agent. Compounds which act as reta... | 01/19/1993 |
| 5145887 | High surface area magnesia as hardener for phenolic resins There are disclosed methods and compositions for room temperature hardening of phenolic resole resin refractory compositions containing a magnesium oxide hardening agent alone or together with an organic ester. The resin is a low viscosity, low molecular ... | 09/08/1992 |
| 5043412 | Ambient temperature curing, high carbon contributing compositions A raw batch composition for use in making a shaped article such as a foundry shape or refractory article is disclosed. The composition comprises a mixture of an aggregate material; a phenol formaldehyde novolak resin; a phenol formaldehyde resole resin; a... | 08/27/1991 |
| 5024785 | Liquid crystal/rigid rodlike polymer modified epoxy/vinyl ester resins Epoxy resins and vinyl ester resins are prepared which contain a polymeric domain containing mesogenic or rigid rodlike moieties.... | 06/18/1991 |
| 4942217 | Novel heat-hardenable binders phenol-formaldehyde+HMT+acid A heat-hardenable binder comprising (a) a phenolic resin of a phenolic compound and formaldehyde in a molar ratio of 1:1 to 1:2 and (b) an effective amount of a hardener mixture of hexamethylenetetramine and an acidic latent hardening agent with reduced e... | 07/17/1990 |
| 4877859 | Fluorine-containing novolak resin and derivative thereof The present invention provides a fluroine-containing novolak resin or its derivative having a repeating unit of the formula ##STR1## wherein R1 is hydrogen atom, OH or ##STR2## R2 is hydrogen atom or alkyl group having 1 to... | 10/31/1989 |
| 4839445 | Spherical particles of thermosetting phenolic resin and process for producing the same The present invention relates to a process for producing spherical thermosetting phenolic resin particles having a size of no larger than about 1,000 microns, and the spherical thermosetting phenolic resin particles produced by this process. In accordance... | 06/13/1989 |
| 4748279 | Liquid sterilizing composition A liquid sterlizing composition comprising the reaction product of a non-ionic surfactant, a gluteraldehyde and triethylene glycol.... | 05/31/1988 |
| 4748214 | Microspherical cured phenolic resin particles and process for production thereof using emulsion stabilizers A process for producing microspherical cured phenolic resin particles having a particle diameter of not more than about 100 μm, which comprises reacting a novolak resin, a phenol and an aldehyde in an aqueous medium in the presence of a basic catalyst an... | 05/31/1988 |
| 4642264 | Thermoset polymers and prepolymers with rapid curing, obtained by polycondensation of pyridine derivatives and aromatic dialdehydes and adding of phenolic compounds The object of the present invention are new thermoset resins having quickened curing, a process for their preparation, and their applications. The resins according to the invention consist, at least in part, of the products resulting from the polycondensa... | 02/10/1987 |
| 4551508 | Polyglycidyl ethers, process for production thereof, and cured products thereof Polyglycidyl ethers of the formula ##STR1## wherein: G represents hydrogen, ##STR2## R1 represents a hydrogen atom, an aliphatic, alicyclic, or aromatic hydrocarbon group, or a 5- or 6-membered oxygen or sulfur atom containing he... | 11/05/1985 |
| 4501864 | Polymerizable compositions comprising polyamines and poly(dihydrobenzoxazines) A polymerizable composition comprising a poly(3,4-dihydro-3-substituted-1,3 benzoxazine) and a reactive polyamine, wherein the polyamine is at least difunctional and its reactive groups are primary or secondary amine and wherein the poly(dihydrobenzoxazin... | 02/26/1985 |
| 4500691 | Phenol-novolaks containing amino groups Phenol-novolaks containing amino groups of formulas VI and VII ##STR1## wherein R1 is halogen, nitro, alkyl, alkoxy or phenyl, R2 is hydrogen, alkyl, cycloalkyl, phenyl or furfuryl, R3 is hydrogen or alkyl, R4 | 02/19/1985 |
| 4468507 | Method of limiting rate of heat evolution during acid-catalyzed phenol/polymethylolphenol condensations Large-scale preparation of branched novolacs by the acid catalyzed, exothermic condensation of methylol-reactive phenols with polymethylol diphenols is made practical by first carrying out the reaction on a scale which permits temperature control simply b... | 08/28/1984 |
| 4433119 | Liquid thermosetting compositions containing hemiformals of phenol There are described liquid compositions of a hemiformal of phenol and/or a hemiformal of a methylolated phenol with a miscible polymers such as phenol-formaldehyde resoles, phenol-formaldehyde, novolacs, aromatic polyesters, unsaturated polyesters, poly(a... | 02/21/1984 |
| 4431565 | Surface-active compounds, a process for their preparation and their use The new compounds consist essentially of ethylene oxide/propylene oxide block polymer units and oxyalkyleneated alkylphenol/aldehyde resin units, which are linked by methylene groups. They are prepared by reacting a block polymer of ethylene oxide and pro... | 02/14/1984 |
| 4425178 | Resin hardener and method for its use The invention is an improved hardener for use with phenolresorcinol-formaldehyde wood bonding adhesives. The hardener is conveniently made and shipped as a stable dry powdered material. It is then slurried in water at the point of use for convenience with... | 01/10/1984 |
