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


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Patent Number Title Of Patent Date Issued
4303444 Method for inhibiting benzene formation in antifouling paints December 1, 1981
A method for inhibiting benzene formation in rosin-based antifouling paints which involves adding trialkyl tin oxide or hydroxide to the paints.
4279807 Synergistic heat stabilizer compositions containing an antimony or a bismuth compound July 21, 1981
The combination of a conventional antimony- or bismuth-containing heat stabilizers with certain aromatic esters or aryloxides containing boron, phosphorus, silicon, antimony, tin or zinc interacts synergistically to provide an unexpectedly high level of heat stability to halogen-containi
4264593 Tris(aryl)alkyl phosphonium halides and pesticidal compositions thereof April 28, 1981
Tri(phenyl)alkyl phosphonium halides wherein the phenyl groups contain a long chain or sterically hindered alkyl group are novel and exhibit efficacious levels of fungicidal and bacteriocidal activity. The presence of the alkyl substituent eliminates or significantly reduces the phyt
4260535 Antifoulant composition and method April 7, 1981
The durability of coatings formed from antifouling compositions containing a biologically active organotin-containing polymer as the film-forming component is improved by the presence of at least one biologically inactive organotin-containing polymer in an amount of from 0.01 to 10%
4254017 Organotin mercaptoalkanol esters and alkoxides containing sulfide groups March 3, 1981
This invention relates to novel organotin compounds containing at least one sulfur atom that is bonded exclusively to tin or to tin and hydrogen. The compounds are derivatives of mercaptoalkanols, which are present as the free alcohols, as esters of polycarboxylic acids, esters of acids
4231895 Synergistic heat stabilizer compositions containing an antimony or a bismuth compound November 4, 1980
The combination of a conventional antimony--or bismuth-containing heat stabilizers with certain aromatic esters or aryloxides containing boron, phosphorus, silicon, antimony, tin or zinc interacts synergistically to provide an unexpectedly high level of heat stability to halogen-containi
4224338 Simultaneous fungicidal and miticidal protection of plants employing certain tin compounds September 23, 1980
Method of protecting plants from both fungal organisms and mites in the same treatment in which there is applied to the plant an amount of one or more of selected tricyclopentyl tin and tris(cyclopentylmethyl)tin compounds, which amount is sufficient to provide both antifungal and mi
4223098 Blowing catalyst composition for low density flexible polyurethane foams September 16, 1980
Low density flexible polyurethane foams can be prepared using water and relatively large amounts of methylene chloride as the foaming agents in the presence of an organic or inorganic tin compound as the gel catalyst and a foaming catalyst consisting essentially of catalytically effectiv
4222950 Method for preparing triorganotin halide September 16, 1980
Triorganotin compounds of the general formula ##STR1## are efficacious insecticides when applieds to objects, particularly plants, that are susceptible to infestation by insects. In the foregoing formula R.sup.1 and R.sup.2 are individually selected from the group consisting of l
4221839 Method for protecting surfaces against fouling by marine organisms September 9, 1980
A method for protecting surfaces of objects or constructions that are exposed to surface-water against growth of biological origin by applying an antifouling coating layer onto these surfaces, which coating layer is formed from a paint formulation composing (a) one or more water-insolubl
4212885 Insecticidal compositions containing certain tetraorganotin compounds and method for using same July 15, 1980
Many varieties of harmful insects which attack useful plant crops can be controlled by treating the plants with compositions containing at least one tetraorganotin compound wherein three of the four hydrocarbon groups bonded to the tin atom are methyl and the remaining group is substitut
4212810 Novel trimethyltetraorganotin compounds July 15, 1980
Many varieties of harmful insects which attack useful plant crops can be controlled by treating the plants with compositions containing certain novel tetraorganotin compounds wherein three of the four hydrocarbon groups bonded to the tin atom are methyl and the remaining group is phenyl
4206019 Novel low concentration decorative chromium plating baths and method June 3, 1980
A bright decorative plating process for electroplating chromium on a basis metal, characterized by high coverage and throwing power, utilizes a chromic acid plating bath containing the anion of an organic carboxylic acid or a halogenated organic carboxylic acid. The baths are of unpr
4203880 Lubricant composition for halogen-containing polymers May 20, 1980
The processability and melt strength of halogen-containing polymers derived at least in part from vinyl chloride or vinylidene chloride are significantly improved using a conventional external lubricant in combination with an oxidized ethylene polymer exhibiting a melt viscosity of f
4200699 Catalyst composition for rigid polyurethane foams April 29, 1980
The rate of the reaction between a polyol and a polyfunctional isocyanate to form a rigid polyurethane foam can be controlled within a wide range, using as the catalyst for said reaction a mixture comprising catalytically effective amounts of an antimony carboxylate, a potassium carboxyl
4195150 Novel composition for preparing urethane/urea block copolymers March 25, 1980
The reaction between an isocyanate-terminated prepolymer and an aromatic diamine to form an elastomeric urethane-urea copolymer is accelerated using a quaternary ammonium compound as the catalyst. The quaternary ammonium compound is optionally employed in combination with a mono- or
4191580 Stable dispersions containing trialkyltin fluorides March 4, 1980
The tendency of dispersions containing trialkyltin fluorides in organic liquids to agglomerate is avoided by using as the dispersion medium specified organic liquids in combination with from 0.5 to 10%, based on the weight of the dispersion, of specified inorganic compounds. The choice
4187250 Novel trifunctional aromatic amines February 5, 1980
This invention pertains to novel aromatic, sulfur-containing triamines of the general formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each alkyl containing from 1 to 3 carbon atoms and Y is ##STR2## The present compounds are useful crosslinking agents that significa
4187239 Method for preparing organotin compounds February 5, 1980
Organotin derivatives of mercaptoalcohol esters that correspond to the general formula ##STR1## wherein R and R' are hydrocarbon and m is 2 or 3, are prepared by sequentially reacting a monoorganotin trihalide with stoichiometric amounts of a base, a mercaptoalcohol, an alkali me
4184881 Jet printing ink composition containing an ethylene oxide adduct of acetylenic diol January 22, 1980
An ink composition for use in jet printing comprising an aqueous solution of a water-soluble dye and a humectant consisting of ethylene oxide adducts of at least one acetylenic diol in the absence of any glycol or glycol ether.
4183846 Organotin stabilizer composition January 15, 1980
In accordance with certain of its aspects, this invention relates to stabilizing compositions; to stabilized polymers; and to the process for preparing a novel halogen-containing polymer stabilized against the deteriorative effect of heat which comprises adding to a halogen-containin
4183789 Anode bag benefaction January 15, 1980
In accordance with certain of its aspects this invention relates to a process and composition for the prevention of anode bag clogging in the preparation of an electrodeposit which contains nickel or; binary or ternary alloys of the metals selected from nickel, iron and cobalt; which
4177075 Jet printing ink containing ammonium formate electrolyte December 4, 1979
In an ink composition suitable for ink jet printing on metal surfaces, the ink incorporating, in solution, a colorant, a resin component, an alcohol-water solvent and optionally an electrolyte, proportioned to give the ink properties of low surface tension, low viscosity and a low re
4174336 Aqueous heat curable particulate coating composition of elastomeric emulsion copolymer and therm November 13, 1979
Protective and decorative coatings for metal are prepared using aqueous polymer compositions consisting essentially of a thermosetting vinyl or acrylic polymer which has been polymerized in the presence of a preformed, crosslinked, elastomeric copolymer. The rate at which the monomers of
4173692 Method for preparing urethane-modified isocyanurate foams November 6, 1979
The friability exhibited by urethane-modified isocyanurate foams prepared by reacting a polyfunctional isocyanate with a polyol at a ratio of isocyanate equivalents to moles of active hydrogen greater than 6:1 is reduced to an acceptable level using alkali metal salts in combination
4173691 Catalyst composition for flexible polyurethane foams November 6, 1979
The rise times exhibited by flexible polyurethane foams can be significantly reduced using a stannous salt as the gel catalyst in combination with a blowing catalyst that includes an antimony (III) salt of a carboxylic acid and a potassium salt of a carboxylic acid. A zinc salt of a
4170482 Jet printing ink composition containing an acetylenic compound and a lactone October 9, 1979
An ink composition for use in jet printing comprising an aqueous solution of a water-soluble dye and a humectant consisting of the combination of at least one water-soluble acetylenic compound and the internal anhydride of at least one carboxylic acid in a ratio of 90:1 of the former to
4166053 Process for the manufacture of non-reverting elastomeric organopolysiloxanes August 28, 1979
Heat-resistant, polyorganosiloxane elastomers are prepared by reacting a linear, difunctional polyorganosiloxane with a silicon-containing crosslinking agent and a stannous salt of a monoethylenically unsaturated monohydroxy monocarboxylic acid as the curing catalyst. A filler can op
4166042 Compositions for preparing elastomeric urethane/urea block copolymers August 28, 1979
The curing time for articles prepared by reacting an isocyanate-terminated prepolymer with an aromatic diamine to form an elastomeric urethane/urea copolymer is significantly decreased using a tris(2,4,6-aminophenylthiomethyl)1,3,5-trihydrocarbyl substituted benzene as the crosslinki
4155894 Composition for preparing urethane/urea block copolymers May 22, 1979
The maximum concentration of specified sulfur-containing diamines that can be dissolved in polyols employed to prepare elastomeric urethane/urea block copolymers is significantly increased by the addition to said polyols of from 1 to 10% by weight of specified aprotic organic solvents
4153574 Stable dispersions containing triorganotin fluorides May 8, 1979
The tendency of dispersions containing triorganotin fluorides in organic liquids to agglomerate is avoided by using as the dispersion medium specified organic liquids in combination with from 0.5 to 10% based on the weight of the dispersion, of specified inorganic compounds. The choice o
4144362 Method for coating glass using monoalkyltin trihalides March 13, 1979
Finely divided or vaporized organic and inorganic tin compounds are conventionally applied to heated glass articles to produce a coating of stannic oxide on the article. Superior coatings are obtained when the tin compound is butyltin trichloride. This compound offers the additional
4138483 Insecticidal compositions containing certain tetraorganotin compounds and method for using same February 6, 1979
Many varieties of harmful insects which attack useful plant crops can be controlled by treating the plants with compositions containing at least one tetraorganotin compound wherein three of the four hydrocarbon groups bonded to the tin atom are methyl and the remaining group is substitut
4138294 Acid zinc electroplating process and composition February 6, 1979
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
4137133 Acid zinc electroplating process and composition January 30, 1979
This invention relates to a method of producing bright zinc electrodeposits over a wide current density range, which comprises passing current from a zinc anode to a metal cathode for a time period sufficient to deposit a bright zinc electrodeposit upon said cathode; the current passing
4136046 Storage-stable precursors for rigid polyurethane foams January 23, 1979
Diorganotin compounds wherein at least one of the remaining valences on the tin atom is satisfied by a sulfur atom or a thiocyanate group are unique among diorganotin compounds in that they retain their catalytic activity over extended periods of time in the presence of the precursors or
4131624 Reduction of phosphine oxides December 26, 1978
Tertiary phosphine oxides are reduced to the corresponding phosphines by halosilanes in the presence of a stoichiometric amount of a primary or secondary amine. The reduction in yield expected using a primary or secondary amine in place of the prior art tertiary amine is not observed.
4130673 Process of applying tin oxide on glass using butyltin trichloride December 19, 1978
The coefficient of friction of glass is decreased and the scratch resistance is improved by applying finely divided or vaporized butyltin trichloride to the heated glass articles to produce a coating of stannic oxide on the glass. The glass is then coated with a conventional lubricat
4130411 Compositions for regulating undesirable plant growth December 19, 1978
Tertiary phosphine oxides containing two halomethyl radicals effectively control the growth of undesirable plants, particularly grasses.
4129712 Interpolymers, method of preparing the same and emulsions thereof, and metal cans coated with th December 12, 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
4129482 Electroplating iron group metal alloys December 12, 1978
In accordance with certain of its aspects this invention relates to a process and composition for the preparation of an electrodeposit which contains iron; at least one metal selected from the group consisting of nickel and cobalt or; binary or ternary alloys of iron and of the metals
4124618 Method for preparing bis(organotin mercaptoalkanol ester) sulfides November 7, 1978
Organotin derivatives of mercaptoalcohol esters that correspond to the general formula ##STR1## wherein R and R' are hydrocarbon, m is 2 or 3, and p is 1 or 2 are prepared by sequentially reacting a quantity of a monoorganotin trihalide, a diorganotin dihalide or an equimolar mix
4122107 Reaction products of specific antimony compounds with a carboxylate of zinc calcium or manganese October 24, 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
4121034 Biologically active triorganotin copolymers October 17, 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
4120875 Novel curing agents derived from organothiostannoic acids October 17, 1978
Epoxide compounds are cured rapidly at relatively low temperatures by reaction products of a carboxylic acid anhydride and an organothiostannoic acid anhydride or mixtures containing these two compounds. The cured products exhibit good physical and electrical properties.
4119585 Process for preparing rigid polyurethane foams using latent catalysts October 10, 1978
The combination of a diorganotin sulfide, -polysulfide, -dithiocyanate, bis(thiocyanato diorganotin) sulfide or bis(thiocyanato diorganotin) oxide with a tertiary amine functions as a latent catalyst for rigid polyurethane foams. Latency is not observed using a tertiary amine with ot
4119502 Acid zinc electroplating process and composition October 10, 1978
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
4111905 Flame retarding agents and polymer compositions containing same September 5, 1978
The flame retardancy imparted to synthetic organic polymers by a halogen source is significantly increased by the presence of zinc sulfide in the polymer composition. One or more specified basic compounds are optionally included to neutralize any acidic materials generated during pyrolys
4108828 Polylactam composition containing hexaorgano distannane August 22, 1978
Hexaorgano distannanes of the general formula R.sub.3 Sn--SnR.sub.3 significantly reduce or eliminate the discoloration which occurs when mixtures containing an alkali metal salt of a lactam are stored under an inert atmosphere for extended periods of time at temperatures between amb
4107069 Storage-stable precursors for rigid polyurethane foams August 15, 1978
Alkali metal salts of carboxylic acids containing from 2 to 20 carbon atoms are unique in comparison to salts of other elements, including stannous octoate, in their ability to retain catalytic activity when stored in the presence of rigid polyurethane foam precursors.
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