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M&T Chemicals, Inc. Patents
Assignee:
M&T Chemicals, Inc.
Address:
Rahway, NJ
No. of patents:
222
Patents:


1 2 3 4 5










Patent Number Title Of Patent Date Issued
4105615 Interpolymers, method of preparing the same and emulsions thereof, and metal cans coated with th August 8, 1978
The invention relates to a novel method of preparing aqueous polymeric colloids comprising the steps of (a) polymerization in organic solvent at high concentration of the monomers (b) emulsification of the resultant polymer solution in water using small proportion of surfactant. The pH o
4104292 Method for preparing organotin compounds August 1, 1978
Organotin derivatives of mercaptoalcohol esters corresponding to the general formula ##STR1## WHEREIN R and R' are hydrocarbon, m is 2 or 3 and q is 1 or 2 are prepared by reacting a mercaptoalcohol of the formula HS(CH.sub.2).sub.m OH with a diorganotin oxide, organostannoic aci
4104263 Process for producing film and fiber-forming polyalkylene terephthalate August 1, 1978
High molecular weight, colorless polyesters suitable for shaping into filaments and films are obtained using novel catalysts selected from the group consisting of reaction products of specified antimony or zirconium (IV) compounds with 1) a carboxylate of calcium, manganese or zinc and 2
4104234 Novel biologically active copolymers August 1, 1978
The undesirable swelling exhibited by biologically active copolymers wherein a portion of the repeating units exhibit a triorganotin moiety (R.sub.3 Sn--) is reduced by incorporation of a cross-linking agent into the copolymer. The physical and chemical properties of the cross-linked
4104138 Brass plating August 1, 1978
The novel process of this invention for electroplating a bright brass onto basis metal comprises passing current from an anode to a basis metal cathode through an aqueous alkaline cyanide plating solution containing:At least one copper compound providing copper ions andAt least one zinc comp
4104137 Alloy plating August 1, 1978
In accordance with certain of its aspects, this invention relates to a process for the preparation of an electrodeposit which contains iron and at least one metal selected from the group consisting of nickel and cobalt which comprises passing current from an anode to a cathode through an
4101655 Insecticidal and ovicidal method July 18, 1978
Insects and acarids are effectively controlled by applying to these organisms, their eggs or their habitat certain tertiary bis(halophenyl)-phosphines, phosphine oxides and phosphine sulfides. These compounds kill the adult, nymph and egg stages. At lower dose levels the compounds ar
4101471 High resiliency foam with improved load bearing ability by use of organotin mercaptides July 18, 1978
The load-bearing characteristics of high resiliency polyurethane foams, as expressed by the loading required to obtain a 65% reduction in thickness, are significantly improved using as the gel catalyst certain diorganotin mercaptides or mercaptoesters.
4101388 Prevention of anode bag clogging in nickel iron plating July 18, 1978
This invention relates to a process and composition for the preparation of an electrodeposit which contains at least one metal selected from the group consisting of nickel, cobalt and iron, which comprises passing current from an anode to a cathode through an aqueous plating solution
4100038 Plating on aluminum alloys July 11, 1978
In accordance with certain of its aspects, the process of this invention for plating aluminum comprises contacting said aluminum with an aqueous activating bath containing a stannate salt selected from the group consisting of sodium stannate and potassium stannate in a concentration of
4097560 Novel phosphorus compounds and flame retardant compositions containing same June 27, 1978
Novel phosphorus compounds of the general formula ##STR1## contain up to 22% or more of phosphorus and impart an effective level of flame retardancy to a variety of natural and synthetic materials.
4097437 Thixotropic aqueous coating composition of solubilized polymer with dispersion of quaternary amm June 27, 1978
Aqueous solutions of polymers are rendered thixotropic by addition of a dispersion in aliphatic hydrocarbon of quaternary ammonium modified smectite clay, monohydric alcohol, and cationic surfactant. Conventional soluble film forming polymers include polyvinyl alcohol, polyvinyl acet
4085077 Method for stabilizing vinyl chloride polymers April 18, 1978
The presence of free carboxylic acids containing from 8 to 20 carbon atoms or the anhydrides of these acids inhibits the rate of heat induced discoloration exhibited by certain polymer formulations containing as a heat stabilizer the reaction product of a carboxylic acid with a stoic
4085072 Process for preparing oxidatively stable polyurethane foam April 18, 1978
Flexible cellular polyurethane exhibiting excellent thermal and oxidative stability can be prepared using specified complexes of organotin halides or pseudo halides with amines, phosphines or phosphine oxides as latent polymerization catalysts. These catalysts also eliminate the shrinkag
4069112 Electroplating of nickel, cobalt, mutual alloys thereof or ternary alloys thereof with iron January 17, 1978
This invention relates to a process and composition for the preparation of an electro-deposit which contains; at least one metal selected from the group consisting of nickel and cobalt or; binary or ternary alloys of the metals selected from nickel, iron, and cobalt; which comprises pass
4064338 Method for preparing biologically active copolymers of triorganotin acrylates December 20, 1977
Biologically active copolymers wherein a portion of the repeating units exhibit a triorganotin moiety (R.sub.3 Sn--) are prepared by solution polymerization using liquid aliphatic or cycloaliphatic hydrocarbons as the polymerization medium. The physical and chemical properties of the
4064034 Anode structure for wire and strip line electroplating December 20, 1977
Methods and apparatus are provided for high speed wire and/or strip line electroplating of metals such as tin and zinc on a metal substrate by utilizing in the anode assembly therefor a combination of the plating metal as the anode and an anode support comprised essentially of a member
4058545 Method for preparing tri(.beta.-substituted phenethyl)tin halides November 15, 1977
Tri(.beta.-substituted phenethyl)tin halides such as trineophyltin chloride are prepared by reacting three moles of the corresponding organomagnesium halide for every mole of an organotin trihalide containing an alkyl or a phenyl group bonded to the tin atom. The resultant tetraorganotin
4058544 Novel method for preparing organotin compounds November 15, 1977
Triorganotin derivatives of polymerizable ethylenically unsaturated carboxylic acids are prepared either in the presence or absence of solvent by reacting the acid or a suitable derivative thereof with a triorganotin hydroxide or a bis(triorganotin)oxide. Polymerization of the acid or th
4056450 Continuous detinning system November 1, 1977
This invention relates to the recovery of tin as tin metal from tin plate scrap on a continuous basis comprising continuously advancing shredded scrap through an electrically anodic rotating perforated drum partially but not completely immersed in a caustic solution containing no oxidizi
4055702 Additive-containing fibers October 25, 1977
Additives can be permanently incorporated into melt spun fibers by cold drawing the fibers under conditions that generate a network of interconnecting microvoids within the fiber. The microvoids are formed in the presence of specified liquid or vapor media which fill the microvoid ne
4053373 Electroplating of nickel, cobalt, nickel-cobalt, nickel-iron, cobalt-iron and nickel-iron-cobalt October 11, 1977
In accordance with certain of its aspects this invention relates to a process and composition for the preparation of an electrodeposit which contains; at least one metal selected from the group consisting of nickel and cobalt or; binary or ternary alloys of the metals selected from n
4052354 Aqueous antifouling coating composition comprised of emulsified water-insoluble polymer and trip October 4, 1977
Aqueous coating compositions that inhibit the attachment and growth of barnacles and other fouling organisms on submerged surfaces are comprised at least in part of an emulsified film-forming, water-insoluble polymer, an effective amount of a triphenyltin derivative and water. Pigments,
4052254 Stripping of electroplated nickel-iron alloys from ferrous substrates October 4, 1977
A composition and process for selectively removing nickel-iron alloys from a metal substrate which comprises contacting said metal surface with an aqueous bath containing:A. at least one nitro substituted organic compound containing at least one solubilizing group;B. at least one organic
4048294 Preparation of stannic oxide September 13, 1977
An improved method is provided to reproducibly obtain stannic oxide of a type suitable for polishing plastic lenses. The optical density, bulk density and color of the oxide are within specified limits.
4048006 Stripping of electroplated nickel-iron alloys September 13, 1977
A composition and process for selectively removing nickel-iron alloys from a metal substrate which comprises contacting said metal surface with an aqueous bath containing:A. at least one nitro substituted organic compound containing at least one solubilizing group;B. at least one organic
4046647 Additive for improved electroplating process September 6, 1977
This invention relates to a process and composition for the preparation of an electrodeposit which contains; at least one metal selected from the group consisting of nickel and cobalt or; binary or ternary alloys of the metals selected from nickel, iron, and cobalt; which comprises passi
4045494 Method for preparing triogranophosphines August 30, 1977
Triorganophosphines are prepared in high yield and purity by the simultaneous addition of an organomagnesium halide and a phosphorus trihalide to a reaction mixture in a 3:1 molar ratio, respectively. The reaction mixture also contains a linear ether or a heterocyclic ether wherein t
4044072 Flame retardant compositions and methods for their preparation August 23, 1977
Flame retardant polymer compositions comprise stannic oxide hydrate in combination with hydrated zinc borate and a halogen source which may be the polymer itself. The zinc borate comprises from 50 to 65%, by weight of the oxide-borate mixture. Polymers that incorporate these flame retard
4043949 Oxidative stability of flexible polyurethane foams August 23, 1977
Cellular polyurethane exhibiting excellent thermal and oxidative stability can be prepared using specified methyl-, allyl-, phenyl- or benzyltin compounds as the polymerization catalyst. These catalysts are hydrolytically stable over extended periods of time, and can therefore be inc
4042470 Brass plating August 16, 1977
This invention relates to a composition and process for electrodepositing semi-bright to bright brass from an aqueous alkaline cyanide electroplating solution containing at least one copper compound providing copper ions, at least one zinc compound providing zinc ions, and as a coope
4042451 Selected stripping of nickel-iron alloys from ferrous substrates August 16, 1977
A composition and process for selectively removing nickel and nickel alloys with iron and/or cobalt from a surface of a metal substrate which comprises contacting said metal surface with an aqueous bath containing:A. at least one nitro substituted organic compound:B. at least one organic ami
4041015 Melt viscosity stabilizers for vinyl chloride polymers August 9, 1977
The melt viscosity of vinyl chloride polymers is effectively stabilized using linear polysulfides containing specified elements or organic radicals as terminal groups on the chains of sulfur atoms.
4041014 Non-toxic stabilizer for vinyl chloride resins August 9, 1977
Polyvinyl chloride compositions suitable for use as food packaging materials are stabilized against the degradative effects of heat using a mixture of di-n-octyltin-S,S'-bis(isooctyl mercaptoacetate) and an oligomeric form of di-n-octyltin maleate wherein the weight ratio of the two
4036889 Process for preparing triarylphosphines July 19, 1977
Triarylphosphines are prepared in high yield and purity by the reaction between sodium, a monohalogenated aromatic hydrocarbon and a phosphorus trihalide using a triphenylphosphine dihalide as the catalyst for said reaction.
4036866 Process for recovering organotin halides July 19, 1977
Certain organotin halides can be recovered in substantially quantitative yield from aqueous media containing an ammonia or amine complex of these halides by adding (1) a non-reactive highly soluble inorganic salt to partially or completely saturate the solution and (2) an amount of a
4036711 Electrodeposition of copper July 19, 1977
This invention relates to novel compositions and to a process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following two groups:A. 0.005 gram per liter to 10.0 grams per liter of quaternized
4036710 Electrodeposition of copper July 19, 1977
This invention relates to novel compositions and to a process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following two groups:A. from 0.005 to 1.0 gram per liter of at least one member of
4036709 Electroplating nickel, cobalt, nickel-cobalt alloys and binary or ternary alloys of nickel, coba July 19, 1977
This invention relates to a process and composition for the preparation of an electrodeposit which contains; at least one metal selected from the group consisting of nickel and cobalt or; binary or ternary alloys of the metals selected from nickel, iron, and cobalt; which comprises passi
4032552 One step method for preparing non-stoichiometric diorganotin carboxylates using a solid phase re June 28, 1977
Diorganotin carboxylates containing more than 1 mole of tin for every 2 moles of carboxylic acid ##STR1## residues are prepared by a solid state reaction between a diorganotin oxide and a dicarboxylic acid anhydride. Depending upon the temperature of the oxide-anhydride mixture,
4032468 Hydrolytically stable urethane foam precursors June 28, 1977
The hydrolytic stability of catalyst-containing precursors for both flexible and rigid polyurethane foams wherein the catalyst is a tin compound is considerably increased when the catalyst is a triorganotin compound wherein the hydrocarbon groups bonded to the tin atom are methyl or
4021406 Flame retardant compositions May 3, 1977
The resistance to both flaming and glowing combustion exhibited by polymer compositions wherein the flame retarding agent is comprised at least in part of a halogen-containing organic compound in combination with an antimony oxide is significantly increased by including specified hal
4014761 Bright acid zinc plating March 29, 1977
This invention relates to a method of producing lustrous to brilliant zinc electrodeposits, which comprises passing current from a zinc anode to a metal cathode for a time period sufficient to deposit a lustrous to brilliant zinc electrodeposit upon said cathode; the current passing
4014760 Electrodeposition of copper March 29, 1977
This invention relates to novel compositions and to a process for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member independently selected from each of the following two groups:A. an aryl amine selected from those exhibiting the formulae:
4014759 Electroplating iron alloys containing nickel, cobalt or nickel and cobalt March 29, 1977
In accordance with certain of its aspects, this invention relates to a process for the preparation of an electrodeposit which contains iron and at least one metal selected from the group consisting of nickel and cobalt which comprises passing current from an anode to a cathode through an
4012503 Coating compositions used to control barnacles March 15, 1977
Toxicant compositions containing the combination of tri-n-butyltin fluoride with zinc oxide and specified substituted triazines effectively inhibit the development of marine organisms, including barnacles and algae, that are responsible for fouling. These compositions are particularly us
4012347 Antifouling composition March 15, 1977
The antifouling performance of certain asymmetric triorganotin compounds exhibiting one or two cycloalkyl radicals bonded directly to the tin atom is significantly improved when these compounds are incorporated into coating compositions containing a film-forming polymer and rosin in a
4010276 Certain triorganotin compounds used to combat mites March 1, 1977
Dicyclohexylphenyltin compounds of the general formulae ##STR1## effectively combat fungi and mites when applied to these organisms or to objects, particularly plants, that are susceptible to attack by the organisms, yet are less phytotoxic than the corresponding triphenyltin com
4010138 Method for improving the heat stability of polyvinyl chloride March 1, 1977
The heat stability imparted to plasticized vinyl chloride polymers by di- or triesters of phosphorous acid is significantly increased by the addition of 0.1-1% by weight of specified organotin compounds to the polymer composition. The concentration of organotin compound is between 3
4009087 Electrodeposition of copper February 22, 1977
This invention relates to a process and to novel compositions for electrodepositing copper from an aqueous acidic copper plating bath containing at least one member from each of the following two groups:A. an N-heteroaromatic compound containing 1 or 2 N-heteroaromatic rings, said rings
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