Urea-aldehyde Condensate Patents (Class 8/185)
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Patent number: 4486197Abstract: A fabric containing viscose fibres is subjected to cross-linking followed by mercerization and then generally further cross-linking. It is possible to obtain products having good dyeability soft handle and good wet and dry crease resistance.Type: GrantFiled: February 3, 1982Date of Patent: December 4, 1984Assignee: Lintrend Licensing Company LimitedInventor: Frederick R. W. Sloan
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Patent number: 4472165Abstract: A method for the removal of free formaldehyde from textile fabrics which have been treated with formaldehyde derived resins to make the fabrics crease-resistant is disclosed. The process comprises forming a composition composed of a foaming agent, ethylene urea and an appropriate diluent and then foaming this composition to form a stable foam. The foam is then applied to the resin treated fabric in a layer, the foam is collapsed on the fabric to force it through the fabric and then the fabric is subjected to drying and curing conditions. The process is advantageous in that it utilizes relatively small volumes of liquids and thus is energy efficient and environmentally favorable.Type: GrantFiled: September 24, 1982Date of Patent: September 18, 1984Assignee: United Merchants and Manufacturers, Inc.Inventors: Razmic S. Gregorian, Chettoor G. Namboodri
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Patent number: 4455416Abstract: Cyclic urea/glyoxal/polyol condensates are excellent formaldehyde-free crosslinking resins for cellulosic textile fabrics and insolubilizers for binders in paper coating compositions.Type: GrantFiled: July 14, 1983Date of Patent: June 19, 1984Assignee: Sun Chemical CorporationInventors: William C. Floyd, Bernard F. North
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Patent number: 4447241Abstract: The level of released formaldehyde in a durable press treated fabric is significantly reduced or eliminated altogether by an oxidative aftertreatment process in which the fabric, after treatment with a formaldehyde-based durable press finishing agent and curing to impart durable press properties, is contacted with an oxidizing agent to destroy formaldehyde-releasing moieties present in the fabric. Preferably, the treatment of the durable press fabric with the oxidizing agent is carried out by impregnating the fabric with a solution containing the oxidizing agent and then providing the fabric a residence time in contact with the oxidizing agent to allow for reaction of the oxidizing agent with the formaldehyde-releasing moieties.Type: GrantFiled: April 12, 1982Date of Patent: May 8, 1984Assignee: Springs Industries, Inc.Inventors: James E. Hendrix, George L. Payet
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Patent number: 4431699Abstract: A composition adapted to treating textiles and non-woven cellulosic products comprising a mixture of a cross-linking agent and a nitroalkanol. A method of reducing the residual formaldehyde content of the wrinkle-resistant fabric and a wrinkle-resistant fabric per se comprising the use of the claimed composition.Type: GrantFiled: January 4, 1982Date of Patent: February 14, 1984Assignee: Angus Chemical CompanyInventor: Jerry H. Hunsucker
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Patent number: 4421880Abstract: A composition comprising a mixture of a curable ureaaldehyde resin or other crosslinking agent and a nitroalkanol and having particular utility for treating textiles and non-woven cellulose products to provide permanent press and wrinkle-resistant characteristics.Type: GrantFiled: July 21, 1980Date of Patent: December 20, 1983Assignee: International Minerals & Chemical Corp.Inventors: Jerry H. Hunsucker, Milton E. Woods
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Patent number: 4396391Abstract: The products of the reaction of dimethyloldihydroxyethylene urea (DMDHEU) or an alkylated DMDHEU with a polyol impart permanent press properties to a textile fabric and contain only a small amount of free formaldehyde.Type: GrantFiled: June 30, 1982Date of Patent: August 2, 1983Assignee: Sun Chemical CorporationInventor: Bernard F. North
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Patent number: 4376633Abstract: Zwitterions are employed as catalysts in a chemical finishing process to treat cellulosic textiles with crosslinking agents and produce easy-care properties in the finished materials. The process comprises treatment of the textile material, such as cotton fabric, by impregnating it with a solution containing a cellulose-crosslinking agent and, as catalyst a zwitterion, alone or in combination with a magnesium salt, drying and curing the fabric. Said finished fabrics are characterized by an unusual combination of useful, desirable properties--smooth-drying appearance, wrinkle resistance, serviceable strength, and inoffensive formaldehyde release.Type: GrantFiled: June 12, 1981Date of Patent: March 15, 1983Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Robert M. Reinhardt, Donald J. Daigle
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Patent number: 4345063Abstract: Alkylated glyoxal/cyclic urea condensates are excellent formaldehyde-free crosslinking resins for textile fabrics.Type: GrantFiled: May 15, 1981Date of Patent: August 17, 1982Assignee: Sun Chemical CorporationInventor: Bernard F. North
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Patent number: 4332586Abstract: Alkylated glyoxal/cyclic urea condensates are excellent formaldehyde-free crosslinking resins for textile fabrics.Type: GrantFiled: May 15, 1981Date of Patent: June 1, 1982Assignee: Sun Chemical CorporationInventor: Bernard F. North
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Patent number: 4323624Abstract: A composition comprising a mixture of a curable urea-aldehyde resin or other crosslinking agent and a nitroalkanol or nitroalkane and having particular utility for treating textiles and non-woven cellulose products to provide permanent press and wrinkle-resistant characteristics.Type: GrantFiled: November 28, 1980Date of Patent: April 6, 1982Assignee: International Minerals & Chemical Corp.Inventors: Jerry H. Hunsucker, Milton E. Woods
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Patent number: 4314806Abstract: A process for the preparation of a textile finish, the finish thus obtained and its use for the easycare finishing of textiles containing, or consisting of, cellulose. The finish comprises an aqueous solution, of from 30 to 70 percent strength by weight, of a mixture of the conventionally methyloloated(=hydroxymethylated) carbamates I and II ##STR1## where R is hydrogen or alkyl of 1 to 4 carbon atoms, in the weight ratio I:II of from 1:1 to 1:20. The finish is prepared by reacting a glycol or an alkylglycol of the formula IIIR--(OCH.sub.2 --CH.sub.2).sub.9-100 --OH IIIwhere R has the above meanings, and isobutanol with urea at above 100.degree. C., so as to eliminate ammonia and produce carbamates, and methylolation with formaldehyde. In a first stage, the glycol or alkylglycol of the formula III is reacted to the extent of at least 50% with urea, in the absence of a catalyst, at from 130 to 160.degree. C.Type: GrantFiled: September 8, 1980Date of Patent: February 9, 1982Assignee: BASF AktiengesellschaftInventors: Harro Petersen, Panemangalore S. Pai, Manfred Reichert
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Patent number: 4300898Abstract: Blends of a glyoxal/cyclic urea condensate or a partially or wholly alkylated derivative thereof and dimethylol dihydroxyethylene urea or a partially or wholly alkylated derivative thereof improve the properties of textile fabrics treated therewith and contain only small amounts of free formaldehyde.Type: GrantFiled: September 16, 1980Date of Patent: November 17, 1981Assignee: Sun Chemical CorporationInventor: Bernard F. North
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Patent number: 4292036Abstract: Flame retardance is imparted to textile materials by impregnating them with a flame retardant composition comprising(a) at least one compound represented by the formula ##STR1## wherein R.sup.1 and R.sup.2 are each independently selected from the group consisting of aryl, arylalkyl, alkylaryl, alkenyl and alkyl having from 1 to about 6 carbon atoms and ##STR2## R.sup.3 represents an alkylene group having from 1 to about 5 carbon atoms, and R.sup.4 and R.sup.5 are each independently selected from the group consisting of hydrogen, ##STR3## wherein R.sup.6 represents an alkyl group having from 1 to about 4 carbon atoms; provided that not all of said R.sup.4 's and R.sup.5 's are --CH.sub.3 at the same time:(b) an aminoplast; and(c) an acid catalyst; and heating the impregnated textile material sufficiently to cure said flame retardant composition.Type: GrantFiled: May 5, 1980Date of Patent: September 29, 1981Assignee: Stauffer Chemical CompanyInventors: Edward N. Walsh, Thomas A. Hardy
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Patent number: 4289665Abstract: An agent for conditioning and imparting water repellency to leather comprises a homogeneous mixture of(a) 10 to 35% by weight of a compound of the formula ##STR1## wherein R is linear or branched alkyl or alkenyl each having 14 to 22 carbon atoms, m is a number average from 1.0 to 1.5 and n is 2 minus m;(b) 0 to 10% by weight of non-ionic emulsifiers;(c) 0 to 3% by weight of anionic emulsifiers with the proviso that the sum of (b) and (c) is 0.5 to 10%;(d) 0 to 5% by weight of an epoxide of the formula ##STR2## wherein R' is alkyl or alkenyl having 15 to 40 carbon atoms; (e) 0 to 25% by weight of fat liquors; and(f) 25 to 89.5% by weight of water or a water-miscible organic solvent.Type: GrantFiled: August 17, 1979Date of Patent: September 15, 1981Assignee: Cassella AktiengesellschaftInventors: Gustav Hudec, Karl-Heinz Keil, Volker Kohler, Kurt Rosenbusch
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Patent number: 4285690Abstract: Alkylated glyoxal/cyclic urea condensates are excellent formaldehyde-free crosslinking resins for textile fabrics.Type: GrantFiled: November 17, 1980Date of Patent: August 25, 1981Assignee: Sun Chemical CorporationInventor: Bernard F. North
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Patent number: 4284758Abstract: Alkylated glyoxal/cyclic urea condensates are excellent formaldehyde-free crosslinking resins for textile fabrics.Type: GrantFiled: November 17, 1980Date of Patent: August 18, 1981Assignee: Sun Chemical Corp.Inventor: Bernard F. North
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Patent number: 4279959Abstract: Disclosed is a water-insoluble addition copolymer of an ethylenically unsaturated unsubstituted amide and at least one other ethylenically unsaturated monomer comprising sufficient amide groups mono-functionally bonded to a polyaldehyde to render the copolymer thermosettable. The copolymer is adapted for use as or for formulation in a binder. Such a binder is readily made from a copolymer latex and is useful in processes for the preparation of products such as nonwoven fabrics and bonded papers.Type: GrantFiled: December 28, 1979Date of Patent: July 21, 1981Assignee: Rohm and Haas CompanyInventors: Dominic R. Falgiatore, William D. Emmons
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Patent number: 4249017Abstract: The title compounds, having the formula (RO.sub.2 CNHCH.sub.2).sub.3 PY where Y=oxygen or sulfur, are prepared by reacting a tris(N-carbalkoxylaminomethyl)phosphine, having the formula (RO.sub.2 CNHCH.sub.2).sub.3 P, with an oxidizing or sulfurizing agent. The products, after methylolation with formaldehyde, are useful as finishing agents for imparting flame retardant properties to cotton fabrics.Type: GrantFiled: November 29, 1978Date of Patent: February 3, 1981Assignee: The United States of America as represented by the Secretary of AgricultureInventor: Arlen W. Frank
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Patent number: 4207073Abstract: A process for the preparation of a textile finish, the textile finish thus obtained and its use for the easy-care finishing of textiles containing, or consisting of, cellulose. The textile finish comprises an aqueous solution, of from 30 to 70 percent strength by weight, of a mixture of the conventionally formaldehyde-methylolated carbamates I and II ##STR1## where R.sup.1 is hydrogen or alkyl of 1 to 4 carbon atoms and R.sup.2 and R.sup.3 are hydrogen, or one is hydrogen and the other is methyl, in the weight ratio I:II of from 12:1 to 1:20.The textile finish is prepared by reacting a glycol or an alkylglycol of the formulae III and IV ##STR2## where R.sup.1, R.sup.2 and R.sup.3 have the above meanings, with urea at above 100.degree. C., so as to eliminate ammonia and give carbamates, and subsequent conventional methylolation with formaldehyde, wherein, in a first stage, the glycol or alkylglycol of the formula III is reacted to the extent of at least 50% with urea, in the absence of a catalyst, at from 130.Type: GrantFiled: January 4, 1979Date of Patent: June 10, 1980Assignee: BASF AktiengesellschaftInventors: Harro Petersen, Panemangalore S. Pai, Manfred Reichert
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Patent number: 4204072Abstract: The title compounds, having the formula (RO.sub.2 CNHCH.sub.2).sub.3 P, are prepared by reacting a quaternary phosphonium salt, having the formula (RO.sub.2 CNHCH.sub.2).sub.4 P.sup.+ X.sup.-, with a base, preferably one that is capable of reacting with and thereby inactivating the by-product formaldehyde or formaldehyde derivative. The products are useful as intermediates for the preparation of finishing agents that impart flame retardant properties to cotton fabrics.Type: GrantFiled: November 29, 1978Date of Patent: May 20, 1980Assignee: The United States of America as represented by the Secretary of AgricultureInventor: Arlen W. Frank
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Patent number: 4200564Abstract: Disclosed is a treatment process for textile substrates comprising or consisting of regenerated cellulose, which process comprises applying to the substrate an aqueous medium comprising (A) a monomeric, hydrolysis stable, hydrosoluble, resin forming cross linking agent containing at least two N-methylol or N-alkoxymethyl groups, (B) a hydrosoluble, prepolymerized, linear, filler resin forming, cross-linking agent, also containing at least two N-methylol or N-alkoxymethyl groups, (C) a reactive acetal of formula ##STR1## wherein X and Y, independently, are H or CH.sub.2 OH, (D) a first cross-linking catalyst, being an alkaline earth metal salt of a strong acid and (E) a second cross-linking catalyst, being an acidic aluminium salt, subsequently drying the substrate and subjecting same to a temperature at which cross-linking takes place, and an aqueous concentrate for use therein.Type: GrantFiled: October 18, 1978Date of Patent: April 29, 1980Assignee: Sandoz Ltd.Inventors: Paul Komminoth, Tibor Robinson, Milica Urosevic
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Patent number: 4185961Abstract: A method for reducing the fibrillation of polypyrrolidone fibers which comprises contacting the fibers with an aqueous solution containing dimethyloldihydroxyethyleneurea and an acidic catalyst.Type: GrantFiled: November 14, 1977Date of Patent: January 29, 1980Assignee: Chevron Research CompanyInventor: Mitchell Danzik
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Patent number: 4180382Abstract: An improvement in the process of preparing wrinkle resistant textile fabrics containing cellulosic fiber wherein said fabrics are impregnated with an N-methylol durable press resin and cured. The improvement comprises adding to the durable press resin an oxazolidine or mixture of oxazolidines having the general formula ##STR1## wherein R is selected from the group consisting of H, methyl, ethyl, hydroxymethyl and hydroxyethyl.Type: GrantFiled: July 1, 1977Date of Patent: December 25, 1979Assignee: International Minerals & Chemical Corp.Inventor: Jerry H. Hunsucker
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Patent number: 4127382Abstract: A process for scavenging free formaldehyde from cellulosic-containing articles, such as textile materials, which process comprises contacting the cellulosic-containing textile material containing free formaldehyde with a formaldehyde scavenger which comprises a heterocyclic compound free of carbonyl groups, and containing an NH group, with the ring made up of nitrogen or carbon atoms, the ring being unsaturated or, when fused to a phenyl group, being unsaturated or saturated, and the NH group bonded to a carbon or nitrogen atom which is directly bonded by a double bond to a carbon or nitrogen atom.Type: GrantFiled: April 21, 1977Date of Patent: November 28, 1978Inventor: Ronald S. Perry
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Patent number: 4125652Abstract: Disclosed is a treatment process for textile substrates comprising or consisting of regenerated cellulose, which process comprises applying to the substrate an aqueous medium comprising (A) a monomeric, hydrolysis stable, hydrosoluble, resin forming cross linking agent containing at least two N-methylol or N-alkoxymethyl groups, (B) a hydrosoluble, prepolymerised, linear, filler resin forming, cross-linking agent, also containing at least two N-methylol or N-alkoxymethyl groups, (C) a reactive acetal of formula ##STR1## wherein X and Y, independently, are H or CH.sub.2 OH, (D) a first cross-linking catalyst, being an alkaline earth metal salt of a strong acid and (E) a second cross-linking catalyst, being an acidic aluminium salt, subsequently drying the substrate and subjecting same to a temperature at which cross-linking takes place, and an aqueous concentrate for use therein.Type: GrantFiled: May 13, 1977Date of Patent: November 14, 1978Assignee: Sandoz Ltd.Inventors: Paul Komminoth, Tibor Robinson, Milica Urosevic
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Patent number: 4105403Abstract: To the surface of knitted cotton fabrics is applied from 20 to 90% wet add-on of crosslinking agent in a novel geometric pattern by any of several techniques including kiss-roll padding, printing, or transferring the solution of crosslinking agent from impregnated material to the surface of the knitted fabric, followed by drying and curing the moist textile at elevated temperatures, and finally by washing the cured fabric to effect differential shrinkage of the fabric in the applied design, which novel shrinkage in the fabric is fixed through the life of the fabric and is stable through subsequent launderings.Type: GrantFiled: May 7, 1976Date of Patent: August 8, 1978Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Bethlehem K. Andrews, Robert J. Harper, Jr., Norton A. Cashen
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Patent number: 4092106Abstract: Cotton and cotton-blended fabrics are impregnated with an emulsion containing an N-methylolated urea resin, a Lewis-acid catalyst, an emulsifying agent, and softener in a water-chlorinated solvent formulation to impart improved durable press properties.Type: GrantFiled: September 22, 1976Date of Patent: May 30, 1978Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Ralph J. Berni, Ruth R. Benerito, Mary W. Pilkington
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Patent number: 4090844Abstract: Wrinkle resistance, soil release, improved breaking strength and abrasion, and durable deodorant (bacteriostatic) quality are a plurality of useful properties imparted to cotton by a process with chemicals which include polyfunctional crosslinking compounds, zinc salts of polymerizable acrylic-type acids, and basic persulfates. The fabric is impregnated, heat-fixed, and cured by conventional methods and employing conventional equipment.Type: GrantFiled: June 23, 1977Date of Patent: May 23, 1978Assignee: The United States of America as represented by the Secretary of AgricultureInventor: Stanley P. Rowland
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Patent number: 4088443Abstract: An aluminum chlorhydroxide-phosphoric acid catalyst system has been devised that is practical for treatments of cellulose-containing textile materials with formaldehyde and formaldehyde-amide adducts under flash curing conditions to produce valuable, improved durable-press properties in the treated textiles.Type: GrantFiled: February 6, 1976Date of Patent: May 9, 1978Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Russell M. H. Kullman, Robert M. Reinhardt
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Patent number: 4061465Abstract: Cellulosic textiles are impregnated with an aqueous solution containing a methylol crosslinking reagent and either a half amide of a 1,2- or 1,3-dicarboxylic acid or a half ammonium, sodium, or potassium salt of a 1,2- or 1,3-dicarboxylic acid. After the impregnated textiles are cured, they have high levels of crosslinking as indicated by high resilience and high levels of acidic groups as indicated by basic dye adsorption and the ability to form new, permanent creases when pressed at high temperatures.Type: GrantFiled: April 2, 1976Date of Patent: December 6, 1977Assignee: The United States of America as represented by the Secretary of AgricultureInventors: William E. Franklin, John P. Madacsi, Stanley P. Rowland
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Patent number: 4039282Abstract: A catalyst system composed of aluminum chlorhydroxide [Al.sub.2 (OH).sub.5 Cl] and hydrogen peroxide [H.sub.2 O.sub.2 ] is disclosed which through synergistic interaction of these components is highly efficient and effective in treatments of cellulose-containing textiles with formaldehyde-amide adduct crosslinking agents. Products with durable-press properties are produced through use of the new catalyst system in treatments employing flash curing conditions, i.e., short processing times at high temperatures, as well as in treatments employing curing temperatures down to 130.degree. C. with longer processing times. Unlike previously known synergistically activated catalyst systems based upon Al.sub.2 (OH).sub.5 Cl, the presently disclosed system utilizes the combination of Al.sub.2 (OH).sub.5 Cl with H.sub.2 O.sub.2, an oxidizing agent, rather than with an acid or a salt with latent acidic or Lewis acid properties.Type: GrantFiled: July 19, 1976Date of Patent: August 2, 1977Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Russell M. H. Kullman, Robert M. Reinhardt
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Patent number: 4032992Abstract: The method of treating a textile fabric comprising cellulosic fibers to produce a modified fabric intermediate from which permanently shaped wearing apparel having an improved dry crease recovery can be made, comprising the steps of: (1) impregnating the material with a cellulose cross-linking reagent selected from the groups consisting of: (a) reaction products of formaldehyde with carboxamides wherein said reaction products contain 2 or 3 N-methylol groups and methyl ethers thereof; (b) compounds having the following generic formula:R.sub.1 OCH.sub.2 CH.sub.2 SO.sub.2 (QSO.sub.2).sub.n CH.sub.2 CH.sub.2 OR.sub.2where R.sub.1 and R.sub.Type: GrantFiled: October 17, 1969Date of Patent: July 5, 1977Assignee: J. P. Stevens & Co., Inc.Inventors: Ildo Emil Pensa, Robert Otto Rau
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Patent number: 4028054Abstract: A fast, low-temperature curing composition for imparting permanent press properties to a cellulosic textile comprises an aqueous or aliphatic alcohol solution of dimethylol dihydroxyethylene urea or a partially or wholly methylated derivative thereof, aluminum sulfate, and sodium metaborate.Type: GrantFiled: March 26, 1976Date of Patent: June 7, 1977Assignee: Sun Chemical CorporationInventors: Bernard F. North, George H. Lourigan
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Patent number: 4026711Abstract: Stable, aqueous, flame retardant finishes for cellulosic textile materials employing tetrakis(hydroxymethyl)phosphonium phosphate, tetrakis(hydroxymethyl)phosphonium carboxylate and urea or a urea-formaldehyde condensate, and, processes employing said finishes are disclosed, together with processes for the preparation of the phosphonium compounds from tris(hydroxymethyl)phosphines.Type: GrantFiled: November 11, 1971Date of Patent: May 31, 1977Assignee: American Cyanamid CompanyInventors: Robert George Weyker, William Frederick Baitinger, Jr.
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Patent number: 4016335Abstract: A process for preparing stable aqueous solutions of a water-soluble urea-formaldehyde-glyoxal condensation product in which urea, glyoxal and formaldehyde are reacted under very slightly acidic conditions of pH and at a temperature of from 40.degree. to 90.degree. C., further reacted under more acidic conditions of pH and at a temperature of from 40.degree. to 90.degree. C., and then adjusted to very slightly acidic conditions of pH.Type: GrantFiled: February 7, 1975Date of Patent: April 5, 1977Assignee: American Cyanamid CompanyInventor: Tsai Hsiang Chao
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Patent number: 4011613Abstract: Durable-press properties are imparted to cotton containing fabrics with reduced losses in strength and abrasion resistance by a process which includes (1) application of a solution containing a methylolated urea modified polyethylenimine alone or in combination with other crosslinking agents and a crosslinking catalyst, (2) drying the impregnated fabrics, and (3) curing at elevated temperatures.Type: GrantFiled: November 18, 1975Date of Patent: March 15, 1977Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Noelie R. Bertoniere, Stanley P. Rowland, Earl J. Roberts
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Process for dyeing molded articles containing urea formaldehyde resin or melamine formaldehyde resin
Patent number: 4009995Abstract: Molded synthetic plastic articles containing urea formaldehyde or melamine formaldehyde are dyed after molding. The molded synthetic plastic article is treated in an aqueous dye bath containing 0.005 to 5.0 wt. % of a dichlorotriazinyl dye or a premetalized dye at a temperature in the range of 50.degree. to 100.degree. C.Type: GrantFiled: December 5, 1975Date of Patent: March 1, 1977Inventor: Hans Dressler -
Patent number: 3995999Abstract: Creasability properties are imparted to cotton cellulosic and other hydroxy-containing polymeric fabrics and fibers by reacting them with N-methylol derivatives in the presence of phosphorylating agents. The resulting fabrics are both heat creasable and crease resistant.Type: GrantFiled: July 10, 1975Date of Patent: December 7, 1976Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Stanley R. Hobart, Charls H. Mack, Stanley P. Rowland
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Patent number: 3996178Abstract: A process for the manufacture of stable and at the same time highly reactive, liquid easy-care finishing agents for textiles containing, or consisting of, cellulose, the agents being manufactured from urea, formaldehyde, glyoxal and an aliphatic primary amine.Type: GrantFiled: November 4, 1975Date of Patent: December 7, 1976Assignee: BASF AktiengesellschaftInventors: Kurt Fischer, Anna Steimmig, Heinz Bille, Harro Petersen, Herbert Tulo
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Patent number: 3989457Abstract: A process is described for obtaining finishing effects on textile material consisting, at least partially, of cellulose fibers, without seriously reducing the tensile strength, tearing strength or wearing strength of the fibers. A finishing agent, capable of cross-linking with the hydroxy groups of the cellulose fibers, in a solution or emulsion containing a mixture of water and at least one organic solvent, such as low aliphatic ketones, aliphatic chlorinated hydrocarbons or low aliphatic esters, is applied to the textile material. The stability of the mixture is controlled by a salting-in or salting-out effect so as to induce a phase separation between aqueous and solvent phase, this effect being induced by the use of neutral salts, acid salts, potentially acid salts, organic acids, synthetic resins or reactants. The finishing agent is concentrated in the aqueous phase in the interior of the individual fibers while the surface zones retain the good surface properties of the starting material.Type: GrantFiled: March 17, 1975Date of Patent: November 2, 1976Assignee: Heberlein & Co. AGInventor: Walter Marte
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Patent number: 3983043Abstract: Mixtures of methylolalkyl ureas containing higher alkyl radicals and their butyl ethers, a process for their manufacture, and their use as softening agents for cellulose fibers. This application discloses and claims subject matter described in German Patent Application P 23 20 302.3, filed Apr. 21, 1973, which is incorporated herein by reference.Type: GrantFiled: April 17, 1974Date of Patent: September 28, 1976Assignee: BASF AktiengesellschaftInventors: Johann Brandeis, Joachim Kurze
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Patent number: 3979178Abstract: Improvement in the strength of fabric finished for durable press properties with an N-methylol amide cross-linking agent and sulfuric acid catalyst is obtained by inclusion of magnesium sulfate in the finishing formulation.Type: GrantFiled: October 9, 1974Date of Patent: September 7, 1976Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Robert M. Reinhardt, Russell M. H. Kullman
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Patent number: 3975154Abstract: This invention relates to the preparation and use of durable press fabrics with strong acid grafts. The preparation is accomplished by the incorporation of a reactive hydroxyalkyl sulfonic or phosphinic acid in a crosslinking finishing system. As a consequence of this, durable press fabrics are produced with sulfonic or phosphinic acid grafts. Because of these strong acid grafts, these fabrics show improved moisture regain properties, can be dyed with basic dyes, can be whitened with basic optical brighteners and have ion exchange properties for metallic cations.Type: GrantFiled: June 9, 1975Date of Patent: August 17, 1976Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Robert J. Harper, Jr., Gloria A. Gautreaux, Joseph S. Bruno
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Patent number: 3970424Abstract: Improvement in strength and elimination of coloration are achieved in fabrics finished for durable press properties by treatment with an N-methylol amide crosslinking agent and aluminum sulfate catalyst when sodium dihydrogen phosphate is included in the finishing formulation. These effects are achieved when the weight ratio of sodium dihydrogen phosphate to aluminum sulfate is 2.05.Type: GrantFiled: August 14, 1975Date of Patent: July 20, 1976Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Russell M. H. Kullman, Robert M. Reinhardt
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Patent number: 3954405Abstract: Textiles are impregnated with a solution of dimethylol dihydroxyethylene urea or a partially or wholly methylated derivative thereof, phosphoric acid as catalyst and sodium metaborate as buffering agent. Impregnated textile is heated to cure the solution and impart crease-resistance to said textile.Type: GrantFiled: April 9, 1975Date of Patent: May 4, 1976Assignee: Sun Chemical CorporationInventors: Bernard F. North, George H. Lourigan
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Patent number: 3948600Abstract: In mild cure finishing, strong catalysts are required because of the modest curing conditions employed in the process. Suitable catalysts for mild cure finishing include strong inorganic acids, strong organic acids, active inorganic complexes, salt/acid combinations, and salts that are strong Lewis acids (i.e, certain metal salts). Ammonium salts of inorganic acids, although often used in other types of treatments for producing wrinkle resistant textiles, are not satisfactory catalysts for mild cure finishing. Unexpectedly and surprisingly, it has been discovered that ammonium salts of certain, but not all, sulfonic acids can serve as effective catalysts for mild cure finishing of cellulose-containing fabrics to produce wrinkle resistance and durable press properties. Among ammonium sulfonates which provide the catalysis needed for mild cure finishing are ammonium methanesulfonate, ammonium carboxymethanesulfonate (NH.sub.4 O.sub.3 SCH.sub.2 COOH), ammonium benzenesulfonate, and ammonium p-toluenesulfonate.Type: GrantFiled: February 27, 1975Date of Patent: April 6, 1976Assignee: The United States of America as represented by the Secretary of AgricultureInventors: Robert M. Reinhardt, Russell M. H. Kullman
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Patent number: 3937612Abstract: Dialkylphosphonoacetylurea compounds which contain hydroxymethyl groups or alkoxymethyl groups and their preparation, as well as their use for the flameproofing of cellulose-containing materials.Type: GrantFiled: December 26, 1974Date of Patent: February 10, 1976Assignee: Henkel & Cie GmbHInventors: Johann Schwarzer, Peter Meins, Kurt Voparil
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Patent number: 3933426Abstract: This invention relates to a process for making textiles containing cellulose crease-resistant.The process of the invention involves contacting the textile with an aqueous treatment bath to which alkali chlorides or bromides of sodium and potassium have been added and which contains 1,3-dimethylol-4,5-dihydroxyethylene urea, the hydroxyl and methylol groups of which can optionally be partially or completely etherified with low, monohydric aliphatic alcohols with 1 to 3 carbon atoms and potential acid catalysts. It is possible for the treatment bath to contain in addition other precondensates normally used in the treatment of textiles provided at least 40% by weight based on the weight of the sum of the N-methylol derivatives calculated as anhydrous substances is the optionally etherified 1,3-dimethylol-4,5-dihydroxyethylene urea.Type: GrantFiled: October 2, 1973Date of Patent: January 20, 1976Assignee: Ciba-Geigy CorporationInventors: Bruno Martini, Gunter Pusch, Erich Rossler, Dieter Walz
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Patent number: 3933274Abstract: A product adapted for the treatment of cellulosic fabric comprises a container having at least two compartments for holding two or more fluent substances separate from one another but adapted for dispensing the substances simultaneously, and having in one compartment a resin precondensate and in another compartment a latent acid catalyst. The product is used to make aqueous solutions of both resin precondensates and latent acid catalysts for fabric treatment, whilst keeping the ingredients separate until required for use.Type: GrantFiled: October 9, 1973Date of Patent: January 20, 1976Assignee: Lever Brothers CompanyInventors: Stuart Albert Emmons, John Leonard Metcalfe, John Winston Potts