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7563850 |
Polyelectrolyte compositions
An inexpensive and durable polyelectrolyte composition includes both an aromatic polymer containing carbonyl linkages and/or sulfonyl linkages in the backbone chain and bearing cation-exchange...
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7504471 |
Sulfur-containing phenolic resin, process for preparing the same, phenol derivatives having thioether structure or disulfide structure, process for preparing the same and epoxy resin composition and adhesive
The present invention discloses a sulfur-containing phenolic resin which comprises an organic group represented by the following formula (1):
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6437057 |
Novolak cyanate blends
Blends of novolaks and cyanates, such blends can be thermally hardened in a short time and without using a catalyst and have an excellent storage stability. The resins obtained by the blends can be...
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5691442 |
Transparent poly(arylene ether) compositions
The transparency of poly(arylene ether) homopolymers and copolymers is improved by endcapping the polymer chain with an unsubstituted phenolic-based endcapping agent.
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5571886 |
Aromatic novolak resins
An essentially aromatic alkali soluble novolak resin comprising the product resulting from the acid condensation of an aromatic aldehyde and a phenol where the resin has a molecular weight in...
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5571506 |
Aromatic oligomeric compounds useful as mimics of bioactive macromolecules
This invention relates to aromatic oligomeric compounds useful in the treatment of cardiovascular, bone metabolic, hypolipidaemic, neuronal, gastrointestinal and elastase-mediated connective tissue...
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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 R 1 =hydrogen, lower alkyl group having 1-4...
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5268444 |
Phenylethynyl-terminated poly(arylene ethers)
Phenylethynyl-terminated poly(arylene ethers) are prepared in a wide range of molecular weights by adjusting monomer ratio and adding an appropriate amount of 4-fluoro-4'-phenylethynylbenzophenone...
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5216111 |
Aromatic novolak resins and blends
An essentially aromatic alkali soluble novolak resin comprising the product resulting from the acid condensation of an aromatic aldehyde and a phenol where the resin has a molecular weight in...
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5157018 |
Perfluoroalkyl group-containing polymers and reproduction layers produced therefrom
Polymers comprising perfluoroalkyl groups, reproduction layers containing these polymers and use thereof for waterless offset printing. The novel perfluoroalkyl group-containing polymers comprise...
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5106936 |
Thermoplastic compositions with nonlinear optical activity
This invention provides thermoplastic polymeric materials comprising polycarbonate and polyestercarbonte resins and oriented polymeric compositions thereof which exhibit nonlinear optical properties.
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5081214 |
Process for the preparation of an aromatic polyether
A process for the preparation of an aromatic polyether by condensation of dihydric phenols with activated aromatic dihalo compounds or by self-condensation of polynuclear activated halophenols...
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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 R 1 is hydrogen atom, OH or ##STR2## R 2 is hydrogen...
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4816498 |
Ethers of oligomeric phenol-dialdehyde condensation products and a vinyl-benzyl compound
Oligomeric condensation products of certain dialdehydes and phenols can be end-capped with a vinylbenzyl moiety and certain other moieties, especially alkyl groups, to afford thermosetting resins...
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4698401 |
Polyfunctional phenolic reaction product, a process for its preparation and it use
A polyfunctional reaction product having functional phenolic OH groups is made available by reacting a phenol and an alkoxylated amino-aldehyde condensation product in the presence of a solvent and...
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4640971 |
Microspherical particles of resole resins and process for producing the same
A resole resin in the form of microspherical particles whose surfaces are partly or entirely covered with a coating of a substantially water-insoluble inorganic salt and which are not larger than...
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4621123 |
Phosphinylmethyl polypenols and polyglycidyl ethers thereof
Novel phosphorus-containing polyglycidyl ethers capable of forming a cured epoxy resin having a high flame retardancy and excellent in heat resistance characteristics such as heat deterioration...
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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...
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4431783 |
Vinyl chloride polymerization in reactor coated with build-up suppressant product
Polymerization of vinyl chloride in aqueous suspension using a polymerization reactor having adherently deposited on internal surfaces thereof a build-up suppressant coating comprising a product of...
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4259464 |
Cyclic phenol-aldehyde resins
Cyclic phenol-aldehyde resins, for example cyclic tetramers; derivatives thereof; processes by which they are prepared; and uses thereof.
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4235769 |
Color-developing phenolic-aldehyde composition for pressure-sensitive recording sheet material and process for the preparation thereof
Disclosed is a color-developing composition for pressure-sensitive recording sheet material of the self-contained type comprising (A) 100 parts by weight of a copolymer obtained by reacting a...
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4168365 |
Flame-retardant phenolic resin
A flame-retardant phenolic resin which comprises the product obtained on (a) reacting at least one halogenated compound represented by the general formula (I) ##STR1## wherein A is --CHCH 2 ...
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4157324 |
High ortho etherified resole resins admixed with coreactive resins
This invention relates to high ortho etherified resole resins. The resole resins are prepared by reacting under acidic conditions phenol with formaldehyde in the presence of a divalent...
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4151028 |
Alkanolamine salts of phenolic resins
In the known process of co-use of a catechol-monophenol-formaldehyde condensation product and a "RFL" dip for bonding polyester fibres to the rubber in reinforced rubber articles, the use of the...
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4079046 |
Multiple polyesterification process
A semi-continuous polyester esterification process employing continuous feeding and discontinuous withdrawal is combined with a plurality of batch polycondensation processes to produce outstanding...
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4059569 |
Antioxidant resins from mercaptoaldehydes
It has been found that a sulphur containing resin which is the condensation product of (i) one or more mercaptoaldehydes and (ii) one or more meta-substituted phenols has good antioxidant...
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4048145 |
Phenolic polymer prepared from o-cresol
Phenolic polymers which can be produced by reacting ortho-cresol with other phenolic materials, such as phenol, are described. Phenolic compositions comprising these phenolic polymers mixed with...
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4035435 |
Adherence of textile fibers to unsaturated polymers
The adhesion of textile fibers to unsaturated polymers is made possible by use of an adhesive which comprises a blend of one or several elastomer latices and a phenoplast system based on a...
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3985710 |
Antioxidants
A condensation product of a mercaptoaldehyde, e.g. butylmercaptopropionaldehyde, and phenol or a phenol having a substituent ortho or para to the hydroxyl group and being unsubstituted in a...
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3870682 |
Aldehyde condensation products of fluoraliphatic phenols
Condensation products of aldehydes and fluoroaliphatic phenols are substantive to wool, synthetic polyamides, leather and skin, the compositions preferably being extended with a suitable...
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3870670 |
PROCESS FOR THE MANUFACTURE OF DISPERSIONS OF THERMOSETTING REACTION PRODUCTS
Subject of the invention is a process for the manufacture of water-dilutable, aqueous dispersions, containing emulsifiers and protective colloids, of thermosetting reaction products of...
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3855168 |
ADHESIVE COMPOSITION FOR BONDING POLYESTER FIBER TO RUBBER
The bondability of polyester fiber to rubber is markedly improved by incorporating a polynucleus halophenol compound [A] of the general formula, Wherein X is chlorine or bromine, Y is chlorine,...
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3663256 |
MARK-FORMING RECORD MATERIAL
This disclosure is directed to mark-forming record material containing two essential color-forming reactants which produce color upon contact with one another in the presence of a mutual liquid...
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3539646 |
PHENOLS AND PHENOLIC RESINS
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3509096 |
PHENOLIC RESIN PLUS PERCHLORINATED DIPHENYLBENZENE OR POLYPHENYLBENZENE ADDITIVE
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3487045 |
AROMATIC POLYMERS WHICH ARE PREPARED BY REACTING AN ORTHO PHENOLIC NOVOLAK WITH BORON COMPOUNDS
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3485797 |
PHENOLIC RESINS CONTAINING BENZYLIC ETHER LINKAGES AND UNSUBSTITUTED PARA POSITIONS
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3468926 |
3,5-DIHALO-4-CYANOALKOXY PHENOLS
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3458477 |
PROCESS FOR PREPARING UNSATURATED POLYESTERS BY REACTING OXYALKYLATED PHENOLS WITH HCHO AND FURTHER REACTING THE RESULTANT PRODUCT WITH UNSATURATED DICARBOXYLIC ACIDS OR ANHYDRIDES
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3448078 |
HALOGENATED PHENOL-FORMALDEHYDE RESIN
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3444137 |
CYANO MODIFIED PHENOLIC RESINS
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3438939 |
PROCESS FOR PREPARING RESINOUS CONDENSATION COMPOSITIONS BY REACTING A METHYLOLATED SPACED POLYPHENOL WITH A MONOHYDRIC PHENOL AND THEN REACTING THE RESULTANT PRODUCT WITH ALDEHYDE
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3436373 |
PHENOL-FORMALDEHYDE-ALIPHATIC AMINE CONDENSATION PRODUCTS
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3427283 |
HARDENABLE BORON-CONTAINING SYNTHETIC RESINS COMPRISING THE REACTION PRODUCT OF A CYCLIC ARYL BORATE AND ANHYDROUS FORMALDEHYDE
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3384618 |
Method of producing synthetic resins from aromatic glycols and a phenol
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3346575 |
Fungicides and a process for producing them
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3294746 |
Polycarbonates from dimers of alkenyl phenols
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3255274 |
Rubber tackifiers comprising the reaction product of (1) a polymethylene polyphenol, (2) a phenol non-reactive at its para position and (3) an aldehyde
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3230198 |
Thermosetting, crystalline, methylol-ated-4, 4'-dihydroxydiphenyl sulfones
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3218286 |
Halo-methyl phenol resin rubber curing compoisition and method for preparing same
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