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| Number | Title | Issue Date |
| 7285616 | Aromatic polymer, method for producing the same and uses thereof There is provided a polymer electrolyte which shows excellent characteristics as proton conductive membrane of fuel cells and the like. This polymer electrolyte contains an aromatic polymer which is characterized by having a super strong acid group in a side chain. | 10/23/2007 |
| 6159405 | Phenolic resin system for pultrusion composites A fire resistant phenolic resole-resorcinol novolac system for a pultrusion process, having a much improved pot life of the two part mixture, lower emissions during processing and a much better surface finish of the pultruded composite when compared to a ... | 12/12/2000 |
| 6043305 | Alkylene-bridged alkyl phosphonates Halogen-free, oligomeric or polymeric, alkylene-bridged alkyl phosphonates having the general formula ##STR1## where n is a whole number of from 1 to 20; R1 and R5 are each C1 -C6 alkyl; R2 and R... | 03/28/2000 |
| 5932389 | Controlled alternating and block copolymer resins This invention relates to alternating and block copolymer resins of uniform and controlled chain length and methods for preparing the same. The alternating copolymer resins are formed from the reaction of a bisoxymethylphenol, a reactive phenolic compound... | 08/03/1999 |
| 5847058 | Alkylresorcinol modified phenol-aldehyde resol resin and binder system, and method of making same A process for the production of a storage-stable, modified phenol-aldehyde resol resin includes the use of an alkylresorcinol modifier and preferably a readily-available mixture of alkylresorcinols. A binder system includes the modified phenol-aldehyde re... | 12/08/1998 |
| 5763558 | Process and composition for the use of substituted melamines as hardeners of novolac resins A process for hardening a composition and a hardenable composition, in wh there are used: at least one novolac resin; at least one hardener of the resin, selected from the group consisting of substituted melamines; at least one compound comprising at least on... | 06/09/1998 |
| 5719228 | Glass fiber binding compositions, process of making glass fiber binding compositions, process of binding glass fibers, and glass fiber compositions The present invention relates to a glass fiber binding composition having an effective binding amount of an aqueous compatible furan resin mixed with sufficient water to result in a binding composition having from 0.5 to 80% nonvolatile. The aqueous compa... | 02/17/1998 |
| 5698657 | Flexibilizing epoxy resins with low molecular weight acrylate copolymers Flexible epoxy resins are made by curing the epoxy with an amine curing agent in the presence of a low molecular weight acrylate copolymer made from a major amount of a lower aliphatic ester or amide of acrylic or methacrylic acid and a minor amount of an... | 12/16/1997 |
| 5684114 | Cross-catalyzed phenol-resorcinol adhesive A two-part adhesive is provided wherein the first part comprises a stable aqueous alkaline monohydroxylic phenolic resole resin solution containing a methylene donor such as oxazolidine or a methylolurea and the second part comprises a stable resorcinolic... | 11/04/1997 |
| 5654344 | Production of rigid to semirigid polyurethane foams having an increased proportion of open cells and reduced shrinkage The invention relates to a process for the production of rigid to semirigid polyurethane foams having an increased proportion of open cells and reduced shrinkage using recyclate polyols. The invention furthermore relates to the rigid to semirigid polyuret... | 08/05/1997 |
| 5646219 | Method of preparing binder system and product thereof A process for the production of a modified phenol-aldehyde resin which may form a binder system when combined with a curing agent which includes an additional source of an aldehyde, e.g., a phenol-formaldehyde resin. The inventive phenol-aldehyde resin ma... | 07/08/1997 |
| 5589553 | Esterification product of aromatic novolak resin with quinone diazide sulfonyl group A resin suitable for use as a photoresist that is the esterification product of an o-quinonediazide compound and an aromatic novolak resin. The aromatic novolak resin may be the condensation product of a reactive phenol with a bis(hydroxymethyl)phenol or ... | 12/31/1996 |
| 5534612 | Glass fiber binding compositions, process of making glass fiber binding compositions, process of binding glass fibers, and glass fiber compositions The present invention relates to a glass fiber binding composition having an effective binding amount of an aqueous compatible furan resin mixed with sufficient water to result in a binding composition having from 0.5 to 80% nonvolatile. The aqueous compa... | 07/09/1996 |
| 5494785 | High ortho-ortho bonded novolak binder resins and their use in a process for forming positive resist patterns A phenolic novolak composition prepared by a process comprising the steps of: (1) reacting a first phenolic monomer comprising a major portion of at least one trifunctional phenolic monomer with a first aldehyde source in the absence of a catalyst at a re... | 02/27/1996 |
| 5473045 | High ortho-ortho bonded novolak binder resins and their use in radiation-sensitive compositions A phenolic novolak composition prepared by a process comprising the steps of: (1) reacting a first phenolic monomer comprising a major portion of at least one trifunctional phenolic monomer with a first aldehyde source in the absence of a catalyst at a re... | 12/05/1995 |
| 5470924 | Phenol formaldehyde resins A process for forming a phenol formaldehyde resin including the steps of: (i) forming a first additive including a glycol and an aromatic dicaborxylic acid; (ii) adding said first additive as well as an alpha hydroxy acid to a first resin component compri... | 11/28/1995 |
| 5468590 | Positive resist composition A positive resist composition containing a quinone diazide compound and an alkali-soluble resin which contains a resin (A) obtained by a condensation reaction of an aldehyde compound, at least one phenol compound of the formula: ##STR1## wherein... | 11/21/1995 |
| 5413894 | High ortho-ortho bonded novolak binder resins and their use in radiation-sensitive compositions A phenolic novolak composition prepared by a process comprising the steps of: (1) reacting a first phenolic monomer comprising a major portion of at least one trifunctional phenolic monomer with a first aldehyde source in the absence of a catalyst at a re... | 05/09/1995 |
| 5372909 | Photosensitive resin composition comprising an alkali-soluble resin made from a phenolic compound and at least 2 different aldehydes A photosensitive resin composition comprising an alkali-soluble resin, a quinonediazide-type photosensitive compound and a solvent, as the main components, wherein the alkali-soluble resin is a polycondensation product of 1 at least one phenolic compound ... | 12/13/1994 |
| 5354788 | Dialdehyde modified phenolic foundry sand core binder resins, processes for making same, and process for preparing foundry cores and molds employing same A phenolic resole resin for use as a foundry binder which has been internally modified to reduce its hot strength and thereby enhance its shakeout property is disclosed. The resin is the reaction product of a phenolic compound; a dialdehyde; and formaldeh... | 10/11/1994 |
| 5350827 | Selected structurally defined novolak binder resins and their use in radiation-sensitive compositions A novolak resin composition comprising at least one unit of the reaction product of a para-, para-bonded bisphenol having formula (A): ##STR1## wherein R1 =hydrogen, lower alkyl group having 1-4 carbon atoms, halogen, or lower alkoxy group... | 09/27/1994 |
| 5302688 | Selected block phenolic oligomers and their use in phenolic resin compositions and in radiation-sensitive resist compositions Block phenolic oligomers of the formula (I): ##STR1## These may be reacted alone or with selected phenolic monomers during or after the formation of a phenolic novolak resin thereby said resin having at least one unit of formula (II): ##STR2##... | 04/12/1994 |
| 5182184 | Novolak resins of lowered hydroxyl content and high contrast high thermal stability positive photoresists prepared therefrom Novolak resins are provided which are the condensation product of (a) a phenol, phenol derivative, or mixtures thereof, and (b) a mixture of formaldehyde or a formaldehyde precursor and (1) a monohydroxy aromatic aldehyde and wherein at least a portion of... | 01/26/1993 |
| 5089589 | Process for the preparation of novolaks and their use The preparation of novolaks from phenols or mixtures of different phenols, and oxo compounds or mixtures of oxo compounds by condensation of the reactants in a medium having a low water content in homogeneous phase at temperature of ࣙ110° C., preferabl... | 02/18/1992 |
| 5075414 | Resorcinol-modified phenolic resin binder for reinforced plastics A fire resistant resin for use as a binder in reinforced plastics and a resultant reinforced plastic includes the reaction product of (a) at least one resorcinol component selected from the group consisting of resorcinol and resorcinol formaldehyde novola... | 12/24/1991 |
| 5075413 | Resorcinol-modified phenolic resin binder for reinforced plastics A fire resistant resin for use as a binder in reinforced plastics and a resultant reinforced plastic includes the reaction product of (a) at least one resorcinol component selected from the group consisting of resorcinol and resorcinol formaldehyde novola... | 12/24/1991 |
| 5053479 | Thermally stable phenolic resin compositions and their use in light-sensitive compositions A phenolic novolak resin comprising the product of a condensation reaction of an aldehyde comprising a haloacetaldehyde source or a mixture of a haloacetaldehyde source and a formaldehyde source with a phenolic monomer comprising at least one compound of ... | 10/01/1991 |
| 4820576 | Fire retardant polymer resin A flame-retardant polymer is created by forming a first resin typically by reacting resorcinol with furfural in a ratio of one mole of the former to less than a mole of the latter in the presence of an alkaline catalyst. A resole is then formed by reactin... | 04/11/1989 |
| 4801678 | Poly(2,6-naphthoquinone) film and the preparation and uses thereof A rechargeable electrochemical storage cell comprising a housing, in the interior of which is an anode and a cathode spaced from each other and both provided with a core of glassy carbon, graphite or carbon cloth and both anode and cathode having thereon ... | 01/31/1989 |
| 4454311 | Phenol modified sulfamate-melamine-formaldehyde resin The invention provides a polycondensation product of (a) sulfamic acid (H2 N--SO3 H) and/or at least one N-substituted organic derivative of the sulfamic acid as such or in the form of their salts, (b) formaldehyde and/or glyoxal (c) mela... | 06/12/1984 |
| 4454298 | Granular or powdery phenol-aldehyde resin and process for production thereof A granular or powdery resin which is a condensation product of a phenol and an aldehyde and optionally a nitrogen-containing compound having at least two active hydrogens, said granular or powdery resin being characterized by (A) containing spherical prim... | 06/12/1984 |
| 4414379 | Granular or powdery nitrogen-containing phenol-aldehyde copolymer resin and process for production thereof A granular or powdery nitrogen-containing phenol-aldehyde copolymer resin which is a condensation product of a phenol, a nitrogen-containing compound having at least two active hydrogen atoms and an aldehyde, said granular or powdery resin being character... | 11/08/1983 |
| 4414378 | Granular or powdery phenol-formaldehyde resin and process for production thereof A granular or powdery resin which is a condensation product of a phenol and formaldehyde, said granular or powdery resin being characterized by (A) containing spherical primary particles and secondary particles resulting from the agglomeration of the primary p... | 11/08/1983 |
| 4379866 | Plugging refractory material having resin binder system Tris (hydroxymethyl) nitromethane is used as the formaldehyde-source, cross-linking agent for a phenol-formaldehyde or resorcinol polymer resin binder system for a plugging refractory to enhance the plugging refractory's ability to withstand residence per... | 04/12/1983 |
| 4309527 | Fire retardant polymer resin Flame retardant polymer resins formed by an acid condensation reaction from a mixture of resorcinol and furfural with a molar excess of the aldehyde. In one particular embodiment the resin is formed of a mixture of two prepolymer solutions with at least a... | 01/05/1982 |
| 4308180 | Sulfide resin for rubber A rubber composition comprising vulcanizable natural or synthetic rubber and a sulfide resin produced by (1) reacting a component (A) with a componet (B), followed by reacting with a component (D), or (2) reacting a component (A) with a component (B), fol... | 12/29/1981 |
| 4244906 | Process for making phenol-aldehyde resins Phenol-aldehyde resins are prepared by condensing phenol with formaldehyde and isobutyraldehyde in the presence of an alkali. The resulting resins are particularly suited for manufacturing products such as fiberboard and chipboard.... | 01/13/1981 |
| 4107127 | Fire-resistant synthetic resin composition and method A resinous product has high resistance to flame spread, low heat release, and exhibits a low smoke-developed rating when exposed to flame or to indirect or radiant heat, and is flexible, tough, free of hydraulic cement, and resistant to cracking and embri... | 08/15/1978 |
| 4083817 | Blends of furan-aldehyde resins with phenolic resins and molded articles produced therefrom This invention relates to curing of furan-formaldehyde resins with phenolic resole resins under acidic conditions, and relates to the application of this method to the formation of foundry sand shapes, for example.... | 04/11/1978 |
| 4043982 | Peroxide initiated polymerizable acrylate-isocyanate monomer compositions This invention relates to polymerizable compositions, which serve as adhesives, sealants, potting compounds, etc., the primary components of which are an acyl peroxide initiator, an arylamine polymerization accelerator, and a polymerizable acrylate-isocya... | 08/23/1977 |