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| Number | Title | Issue Date |
| 7960471 | Nanocomposites from in-situ polymerization of 3-phenoxy-benzoic acid in the presence of vapor-grown carbon nanofibers A poly(ether-ketone) composite of the formula: wherein CNF is carbon nanofibers and MWNT is multi-walled carbon nanotubes; wherein Ar represents ether-ketone repeating groups of the formula ... | 06/14/2011 |
| 7150958 | Polymeric material, containing a latent acid Polymeric material, containing a latent acid which can be converted to an acid by irradiation by a laser and optionally further ingredients. ... | 12/19/2006 |
| 6906129 | Polymer scale preventive agent A polymer scale preventive agent for use in the polymerization of a monomer containing an ethylenic double bond is provided. The agent includes (A) a condensation reaction product obtained by reacting an aldehyde compound and a hydroxynaphthalene-based compound in t... | 06/14/2005 |
| 6740706 | Method for obtaining coating compositions having reduced VOC The invention relates to an economical method of making a polymer having reduced VOCs and coating compositions containing such polymers. In one embodiment, the method of invention requires providing a reactant mixture (a), providing a solvent mixture (b) comprising ... | 05/25/2004 |
| 6528582 | Method of preparing co-polymer particles A one-step, in-situ, process for producing a high solids content emulsion or dispersion of partially or totally crosslinked urea formaldehyde (UF), melamine formaldehyde (MF), or melamine urea formaldehyde (MUF) resin droplets or particles, by forming a r... | 03/04/2003 |
| 6506838 | Modified oxymethylene polymers Modified oxymethylene polymers comprising a linear polymer of oxymethylene repeat units, blocked at one end by at least one terminal group selected from the group consisting of an alkylene oxide as an adduct to alcohol and an alkylene oxide as an adduct t... | 01/14/2003 |
| 6455631 | Aqueous polyurethane dispersions containing modified hydrazide groups and their use in one-component thermoset compositions The present invention relates to aqueous polyurethane dispersions wherein the polyurethanes contain terminal hydrazide groups and correspond to the formula ##STR1## wherein the terminal, modified hydrazide groups are present in an amount of 1 to 25% ... | 09/24/2002 |
| 6245853 | Method of preparing co-polymer particles A one-step, in-situ, process for producing a high solids content emulsion or dispersion of partially or totally crosslinked urea formaldehyde or melamine formaldehyde resin droplets or particles, by forming a reaction mixture of (i) aqueous formaldehyde (... | 06/12/2001 |
| 5869184 | Diguanamines and preparation process, derivatives and use thereof Provided by the present invention are novel diguanamine derivatives, led by 2,5/2,6-bis(4,6-diamino-1,3,5-triazin-2-yl)-bicyclo2.2.l!heptanes and 1,3/1,4-bis(4,6-diamino-1,3,5-triazin-2-yl)-cyclo-hexanes, and derivatives thereof, applications of these c... | 02/09/1999 |
| 5731249 | Spray-on refractory composition The object of the present invention is to provide a spray-on (gunning) refractory composition having high anti-stripping property, adhesive strength and corrosion resistant property suitable even for high temperature operation in steelmaking furnace. To r... | 03/24/1998 |
| 5670572 | Impregnating resins for films and edgings The present invention relates to melamine-formaldehyde resins comprising a guanamine, to processes for their preparation and to their use for the production of melamine resin films and edgings.... | 09/23/1997 |
| 5457155 | Controlled functional density poly (secondary amines) A process for preparing a controlled functional density poly(secondary amine) comprising: (a) contacting a polymer containing olefinic unsaturation with carbon monoxide in hydrogen under hydroformylation conditions in the presence of a hydroformylation ca... | 10/10/1995 |
| 5457147 | Controlled functional density poly (secondary amines) and method for preparation thereof A process for preparing a controlled functional density poly(secondary amine) comprising: (a) contacting a polymer containing olefinic unsaturation with carbon monoxide in hydrogen under hydroformylation conditions in the presence of a hydroformylation ca... | 10/10/1995 |
| 5310784 | Electromagnetic wave shielding material An electromagnetic wave shielding material comprises a composite carbon-resin compound obtained by reacting to proceed polymerization of a resin forming material with carbon powder intermixed therewith. The resulting compound has carbon powder substantial... | 05/10/1994 |
| 5047466 | Amino resin solutions having low electrical conductivity Amino resin solutions having an electrical conductivity of | 09/10/1991 |
| 5030678 | Cationic surface sizing emulsion Disclosed are cationic aqueous emulsions containing (a) sizing composition comprising the reaction product of melamine formaldehyde compound, long chain saturated alcohol and long chain saturated or unsaturated polyethoxylated alcohol; and (b) cationic su... | 07/09/1991 |
| 5011886 | Process for producing modified phenolic resin bonding agents and use thereof for producing particle board The inventive concept is to condense the phenol formaldehyde resins to a higher molecular weight than usual so far. Subsequent addition of urea thereto reduces viscosity to normal levels and increases solid content. The added urea does not take part in condens... | 04/30/1991 |
| 4921543 | Liquifiers and their preparation A process for the preparation of a liquifier for mineral binding agents comprising condensing a member of a group consisting of naphthalene sulfonic acid and alkyl naphthalene sulfonic acids with formaldehyde or a formaldehyde precursor in a highly acidic... | 05/01/1990 |
| 4758475 | Isocyanate-free polyurethane dispersions Polyurethane dispersions based on reaction products from (A) bismethylolated urethanes having at least 2 urethane groups and (B) polyhydroxyl compounds which contain groups which are capable of ion formation, these groups being present in neutralized form... | 07/19/1988 |
| 4709767 | Production process for manufacturing low molecular weight water soluble acrylic polymers as drilling fluid additives Disclosed is a process for preparing relatively low molecular weight, water absorbing, acrylic polymers for use as drilling fluid additives by aqueous polymerization of (A) an acrylic monomer, such as acrylic acid neutralized 0 to 100 mole percent with, f... | 12/01/1987 |
| 4594370 | Amine-formaldehyde microencapsulation process A process for producing amine-formaldehyde microcapsules wherein the reaction of the amine and formaldehyde to form the microcapsule wall is carried out in the presence of a polyol as a systems modifier.... | 06/10/1986 |
| 4543388 | Thermosettable polymers or prepolymers prepared from polymethylated pyrazines and aromatic polyaldehydes and cured products therefrom Thermosettable prepolymers or resins are prepared by reacting a pyrazine containing at least two substituent groups which have a hydrogen atom attached to a carbon atom which is attached to the ring with a material containing at least two aromatic aldehyd... | 09/24/1985 |
| 4483961 | Polymeric cyclopentadiene derivatives, method for preparing and use thereof Polymeric cyclopentadiene derivatives, method for preparing polymeric cyclopentadiene derivatives, and use of polymeric cyclopentadiene derivatives in curable binder compositions.... | 11/20/1984 |
| 4482653 | Cyclopentadiene derivatives, method for preparing, and use thereof Cyclopentadiene derivatives, method for preparing cyclopentadiene derivatives, and use of cyclopentadiene derivatives in curable binder compositions.... | 11/13/1984 |
| 4452934 | Aminoplast resin compositions Aminoplast resin compositions formed by reaction of an amino-aldehyde precursor in the presence of a cationic surfactant and a hydrocarbon product consisting essentially of components having average carbon chain lengths of about 12 or higher are provided.... | 06/05/1984 |
| 4451609 | Flame-retarded acoustic diaphragm A flame-retarded speaker diaphragm is prepared by making a cone from cellulose fibers, impregnating the cellulosic cone with a solution of a trimethylol melamine monomer, an organic phosphorus- and nitrogen-containing compound, and a trialkyl amine cataly... | 05/29/1984 |
| 4439381 | Methods of preparing polyimides and artifacts composed thereof Methods of converting essentially unpolymerized precursors into polyimides in which the precursors are exposed to microwave radiation. Preheating, thermal post-curing, and other techniques may be employed to promote the development of optimum properties; ... | 03/27/1984 |
| 4427800 | Phenolic resin for refractory uses Refractory shaped articles are prepared by heating refractory mixes comprised of refractory particles and a liquid phenolic resole resin having a methylol group index of about 0.8 or less and a free moisture content of about 8 weight percent or less.... | 01/24/1984 |
| 4396733 | Stabilized azulmic acids, processes for their preparation and their use The present invention relates to new azulmic acids stabilized by condensation with carbonyl compounds, several processes for their preparation and their use for various purposes.... | 08/02/1983 |
| 4361453 | Methods of preparing polyimides and artifacts composed thereof Methods of converting essentially unpolymerized precursors into polyimides in which the precursors are exposed to microwave radiation. Preheating, thermal post-curing, and other techniques may be employed to promote the development of optimum properties; ... | 11/30/1982 |
| 4221710 | Process for preparing microcapsules by polymerization of urea and formaldehyde in the presence of gum arabic A capsule solution is prepared by polymerizing urea and formaldehyde in the presence of gum arabic to thereby form a urea-formaldehyde resin wall around a hydrophobic oily solution. The use of gum arabic reduces the viscosity of the capsule solution, the ... | 09/09/1980 |
| 4212775 | Process for the purification of waste liquors in the production of phenol-formaldehyde resins The process comprises isolating phenol and partially formaldehyde wherein molar ratio thereof is from 1:1.4 to 1:3.5 at a pH of from 0.65 to 0.8 in the presence of a vegetable sorbent, such as saw-dust, at the boiling point. The resultant product of react... | 07/15/1980 |
| 4160754 | Stable polymer gels This invention is directed to gels which are stable in storage, comprising a polymer matrix, a liquid dispersing agent embedded therein and optionally fillers or additives, characterized in that said polymer matrix is a polycondensation product of aldehyd... | 07/10/1979 |
| 4118365 | Moulding thermosetting compositions A method of producing moulded plastics articles by a continuous moulding or extrusion operation which comprises providing in a screw machine a blend of filler and the precursors of a synthetic thermosetting material and operating the screw machine to (a) ... | 10/03/1978 |
| 4108826 | Furfuryl alcohol-hexaalkoxymethylmelamine foundry binders A foundry binder comprising furfuryl alcohol and hexaalkoxymethylmelamine is disclosed. The binder is substantially anhydrous. In using the binder it is substantially free of formaldehyde odor in the fabrication of the binder, in the production of sand sh... | 08/22/1978 |
| 4105646 | ,ଲ-Unsaturated schiff-base chain extension reactions for high temperature polymers This invention provides compositions containing thermally stable prepolymers with azadiene end groups, and compositions containing such prepolymers in combination with dienophiles and the chain-extended and cross-linked polymers obtained from these system... | 08/08/1978 |
| 4072462 | Transfer printing The invention relates to the fixing of disperse dyestuffs which are printed by transfer from support webs onto fabric webs. Fabrics which are cellulosic or part cellulosic are treated with suitable resins which are uncured or part cured and are chosen to ... | 02/07/1978 |
| 4039493 | Melamine-formaldehyde condensates and mixtures thereof Low-viscosity high-solids-content melamine-formaldehyde condensates having high reactivity, low content of free formaldehyde and good compatibility, are prepared by effecting condensation in an alcohol having up to 3 carbons, then concentrating the conden... | 08/02/1977 |
| 4014828 | Thermosettable friction particles for use in friction elements An improved process for preparing a friction particle results when a thermosettable resin is crosslinked in liquid suspension, producing a friction particle which is insoluble, infusible, has good friction stability and good braking fade resistance, and h... | 03/29/1977 |
| 3972849 | Production of resins A process for the production of milled particulate resins which comprises carrying out the reaction of the resin components in a moving reaction vessel containing carrier bodies. The new process is particularly suitable for the production of pigmented res... | 08/03/1976 |
