Sulfur Attached Indirectly To The Carboxyl Group By Nonionic Bonding, Or Salt Thereof Patents (Class 510/489)
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Patent number: 8969275Abstract: The aqueous alkaline cleaning composition comprising (A) at least one thioamino acid having at least one secondary or tertiary amino group and at least one mercapto group and (B) at least one quaternary ammonium hydroxide; the use of the alkaline cleaning composition for the processing of substrates useful for fabricating electrical and optical devices; and a method for processing substrates useful for fabricating electrical and optical devices making use of the said aqueous alkaline cleaning composition.Type: GrantFiled: June 24, 2010Date of Patent: March 3, 2015Assignee: BASF SEInventors: Raimund Mellies, Andreas Klipp
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Publication number: 20140342974Abstract: A method of improving the rinsability of a cleansing composition comprising an isethionate ester surfactant of formula R6COOCH2CH2SO3?M+ the method comprising incorporating into the composition one or more compounds of formula (I) wherein R1 and R6 each independently represents a C4-36 substituted or unsubstituted hydrocarbyl group; each of R2, R3, R4 and R5 independently represents a hydrogen atom or a C1-4 alkyl group and wherein at least one of R2, R3, R4 and R5 is not hydrogen and M+ represents a cation.Type: ApplicationFiled: December 20, 2012Publication date: November 20, 2014Inventors: John Nucci, Stephen Moss O'Connor
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Publication number: 20140158166Abstract: A cleaning composition comprises at least one surfactant and at least one colorant. The cleaning composition can have a pH of about 3 or less. The colorant exhibits one of several specified structures at a pH of about 7. A method for cleaning a surface utilizes the cleaning composition.Type: ApplicationFiled: October 23, 2013Publication date: June 12, 2014Applicant: MILLIKEN & COMPANYInventors: Yogesh Saraf, Eduardo Torres, Sanjeev K. Dey, Paul D. Halphen
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Publication number: 20140148375Abstract: The present invention relates to detergent compositions containing a surfactant system comprising “sustainable” or bio-derived surfactant hydrophobes or “sustainable” or bio-derived surfactants.Type: ApplicationFiled: January 29, 2014Publication date: May 29, 2014Applicant: The Procter & Gamble CompanyInventors: Stephanie Ann URBIN, Jeffrey John SCHEIBEL, Phillip Kyle VINSON, Praveen Kumar DEPA, Randall Thomas REILMAN, Melinda Phyllis STEFFEY
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Publication number: 20130345110Abstract: The present invention relates to a low VOC hard surface cleaning composition comprising a surfactant, a glycol ether organic solvent, an aminoalcohol and fragrance, having a pH from 10.0 to 12.0. The present invention further encompasses a process to prepare a low VOC hard surface cleaning composition. Furthermore, the present invention encompasses a process of cleaning a hard surface with a low VOC hard surface cleaning composition.Type: ApplicationFiled: June 12, 2013Publication date: December 26, 2013Inventors: Cedric Joseph VOLONT, William Tucker CAMPBELL
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Publication number: 20130303430Abstract: Alkoxylated alcohols and their use in formulations for hard surface cleaning Formulations, comprising at least one compound according to general formula (I) wherein the integers R1 are different or identical and selected from C3-C10-alkyl groups with at least two methyl groups per R1, YH is (AO)n—H, with AO being selected from —CH2CH2O— and CH2CH(R2)O— and being different or identical in the case of n>1 R2 being different or identical and selected from C1-C16-alkyl, branched or linear, n in the range of from 1 to 30, and the polydispersity being in the range of from 1.0 to 1.5.Type: ApplicationFiled: May 9, 2013Publication date: November 14, 2013Applicant: BASF SEInventors: Marta REINOSO GARCIA, Juergen Tropsch, Frederic Bauer, Ahmet Uener
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Publication number: 20130225469Abstract: Aqueous hard surface cleaner compositions derived from metathesized natural oil feedstocks are disclosed. In one aspect, the compositions comprise at least one anionic surfactant derived from a metathesis-derived C10-C17 monounsaturated acid, 5 octadecene-1,18-dioic acid, or their ester derivatives. In another aspect, aqueous hard surface cleaners comprising at least one nonionic or amphoteric surfactant derived from a metathesis-derived C10-C17 monounsaturated acid, octadecene-1,18-dioic acid, or their ester derivatives are disclosed. The aqueous cleaners noted above rival or outperform commercial baselines in a Gardner straight-line washability test. Industrial degreasers comprising a C10 or C12 amide solvent and derived from a metathesis-derived C10-C17 monounsaturated acid are superior to commercial standards.Type: ApplicationFiled: October 25, 2011Publication date: August 29, 2013Applicant: Stepan CompanyInventors: Dave R Allen, Randal J Bernhardt, Aaron Brown, Ronald A. Masters, Patrick Shane Wolfe, Lena Titievsky
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Publication number: 20120270764Abstract: Sulfomethylsuccinates of the formula: wherein R is an alkyl, alkenyl, alkynyl, alkoxylated alkyl, cycloalkyl, cycloalkenyl, cycloalkynyl, branched alkyl, branched alkenyl, branched alkynyl, branched alkoxylated alkyl, aromatic, substituted alkyl aromatic, substituted alkenyl aromatic or substituted alkoxylated aromatic group; M is a cation, hydrogen, amine or ammonium salt or combinations thereof, and each M may be the same as or different from the other; and n is from 1 to about 6. Processes for synthesizing the sulfomethylsuccinates are also provided. The sulfomethylsuccinates can be used as surfactants, emulsifiers, skin feel agents, film formers, rheological modifiers, solvents, release agents, lubrication agents, conditioners, and dispersants, etc.Type: ApplicationFiled: November 3, 2010Publication date: October 25, 2012Inventors: Aaron Michael Brown, Xue Min Dong
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Patent number: 8263800Abstract: The present invention comprises a compound comprising Formula 1A, 1B, or 1C (Ra—O—CO—)2X??Formula 1A Ra—O—CO—X—CO—O—(CH2CH2)Rf??Formula 1B Ra—O—CO—X—CO—O—R??Formula 1C wherein Ra is the group Rf(CH2CF2)d—(CgH2g)—; RfOCF2CF2—(CgH2g)—; RfOCFHCF2O(CH2CH2O)v—(CgH2g)—; RfOCFHCF2O(CwH2w); RfOCF(CF3)CONH—(CgH2g); or Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k; Rf is CcF(2c+1); d is 1 to about 3; g is 1 to 4; v is 1 to about 4; w is from about 3 to about 12; h is 1 to about 6; i, j, and k are each independently 1, 2, or 3, or a mixture thereof; provided that the total number of carbon atoms in group (vi) is from about 8 to about 22; X is a linear or branched difunctional alkyl sulfonate group —CeH(2e?1)(SO3M)-, wherein e is 2 or 3; M is a monovalent cation selected from the group consisting of hydrogen, ammonium, alkali metal, or alkaline earth metal; R is H or a linear or branched alkyl group CbH(2b+1)—; and b is from 1 to about 18.Type: GrantFiled: July 1, 2008Date of Patent: September 11, 2012Assignee: E. I. du Pont de Nemours and CompanyInventors: Peter Michael Murphy, Tracy Hewat
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Publication number: 20120172271Abstract: An alkaline composition having a pH ranging from about 8.5 to about 10 comprising a first substantially hydrophilic nonionic alkoxylated alcohol surfactant having an HLB value ranging from about 12 to about 15; a second substantially hydrophilic nonionic alkoxylated alcohol surfactant having an HLB value ranging from about 16 to 20; a bio-film permeation agent; and an aqueous solvent, wherein a total amount of the first substantially hydrophilic nonionic alkoxylated alcohol surfactant and the second substantially hydrophilic nonionic alkoxylated alcohol surfactant in the alkaline composition ranges from about 2 to about 20 percent by weight of a total weight of the alkaline composition.Type: ApplicationFiled: March 7, 2012Publication date: July 5, 2012Applicant: STRYKER CORPORATIONInventors: Jeffrey G. Hubrig, Joseph B. Dooley
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Publication number: 20120142572Abstract: Composition A low irritancy cleansing composition comprises: (a) an anionic surfactant compound of formula (I): wherein R1 represents a C4-36 substituted or unsubstituted hydrocarbyl group; each of R2, R3, R4 and R5 independently represents a hydrogen atom or a C1-4 alkyl group and wherein at least one of R2, R3, R4 and R5 is not hydrogen and M+ represents a cation; (b) an amphoteric surfactant; and (c) an alkoxylated non-ionic species; wherein the molar ratio of component (a) to component (b) is from 0.5:1 to 2:1 and wherein the ratio of the mass of component (c) to the combined mass of components (a) and (b) is less than 1.2:1.Type: ApplicationFiled: August 2, 2010Publication date: June 7, 2012Applicant: INNOSPEC LIMITEDInventor: Philip Cotrell
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Publication number: 20120094886Abstract: The aqueous alkaline cleaning composition comprising (A) at least one thioamino acid having at least one secondary or tertiary amino group and at least one mercapto group and (B) at least one quaternary ammonium hydroxide; the use of the alkaline cleaning composition for the processing of substrates useful for fabricating electrical and optical devices; and a method for processing substrates useful for fabricating electrical and optical devices making use of the said aqueous alkaline cleaning composition.Type: ApplicationFiled: June 24, 2010Publication date: April 19, 2012Applicant: BASF SEInventors: Raimund Mellies, Andreas Klipp
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Patent number: 8007593Abstract: A remover composition containing 1,3-propanediamine (a), 1-hydroxyethylidene-1, 1-diphosphonic acid (b) and water, wherein the remover composition contains the component (a) in an amount of from 0.2 to 30% by weight, the component (b) in an amount of from 0.05 to 10% by weight, and the water in an amount of from 60 to 99.75% by weight, and wherein the composition has a pH at 20° C. of from 9 to 13; and a remover composition containing an organic amine (A), an organic phosphonic acid (B), a linear sugar alcohol (C) and water, wherein the remover composition contains the component (A) in an amount of from 0.2 to 30% by weight, the component (B) in an amount of from 0.05 to 10% by weight, the component (C) in an amount of from 0.1 to 10% by weight, and the water in an amount of from 50 to 99.65% by weight, and wherein the composition has a pH at 20° C. of from 9 to 13.Type: GrantFiled: June 5, 2006Date of Patent: August 30, 2011Assignee: Kao CorporationInventors: Sadaharu Miyamoto, Yasushi Sasaki
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Patent number: 7973002Abstract: A composition comprising phthalimidoperhexanoic acid (PAP) is provided. The PAP has a particle size of 0.01 to 100 ?m and a particle size distribution with x(50) of less than 10 ?m. Preferably the composition is a detergent composition.Type: GrantFiled: May 9, 2006Date of Patent: July 5, 2011Assignee: Reckitt Benckiser N.V.Inventors: Daniele Fregonese, Chris Efstathios Housmekerides, Pavlinka Roy, Ralf Wiedemann
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Publication number: 20100184855Abstract: Sulfo-estolides and formulations of sulfo-estolides in and as hard surface cleaners, glass cleaners, toilet bowl cleaners, carpet cleaners, all purpose cleaners, floor cleaners, and others are described. Further details of cleaning performance, stability of diluted and concentrated forms and contemplated cleaning applications are provided.Type: ApplicationFiled: July 22, 2009Publication date: July 22, 2010Inventors: Randal J. Bernhardt, Lourdes R. Alonso, Gregory P. Dado, Jacqueline Maas Pytel
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Patent number: 7439220Abstract: A dispersion including anionic softeners and a process for producing compositions of anionic softeners is provided and obtainable by (a) reacting partial glycerides with maleic anhydride at a temperature above 53° C., wherein maleic anhydride is used in stoichiometric or below stoichiometric quantities to form a reaction product; and, (b) reacting the reaction product with an aqueous solution of sodium sulphite, wherein a quantity of water is selected to form a final product in the form of a 5 to 50 wt % aqueous solution. Powder compositions of anionic softeners may be obtained by drying the final product.Type: GrantFiled: March 14, 2006Date of Patent: October 21, 2008Assignee: Cognis IP Management GmbHInventors: Juergen Falkowski, Christa Hartschen, Bernd Wahle
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Patent number: 6903058Abstract: Machine dishwashing agents containing a) 1 to 99.9% by weight of builder(s), and b) 0.1 to 70% by weight of copolymers of i) unsaturated carboxylic acids ii) monomers containing sulfonic acid groups, and iii) optionally further ionic or nonionogenic monomers, wherein the copolymer containing sulfonic acid groups is in particulate form, as well as methods of preparing the dishwashing agents.Type: GrantFiled: August 29, 2003Date of Patent: June 7, 2005Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Christian Nitsch, Bernd Richter, Rolf Bayersdoerfer
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Patent number: 6527931Abstract: An amino acid-N,N-diacetic acid (AADA) or its salt with an equivalent or less of an alkali metal is produced by reducing, through electrodialysis, alkali metal ions from an aqueous solution of the alkali metal salt of an AADA. By this configuration, an AADA salt can be produced in a much higher yield than conventional equivalents without requiring a regeneration operation of a resin as in the use of an ion exchange resin or without requiring crystallization-separation of crystals of the AADA salt as in the addition of an organic solvent. A salt of an amino acid-N,N-diacetic acid is also produced by reacting an AADA with any of metal oxides, metal hydroxides, metal carbonates, metal hydrogencarbonates, ammonium hydroxide, ammonium carbonate, ammonium hydrogencarbonate or organic amine compounds. By this configuration, a metal salt, aromonium salt or organic amine salt of an AADA can be produced with efficiency without the formation of by-products.Type: GrantFiled: October 26, 2001Date of Patent: March 4, 2003Assignees: Showa Denko K.K., Chelest Corporation, Chubu Chelest Co., Ltd.Inventors: Nobuyoshi Nambu, Masanori Furukawa, Makoto Saito, Tohru Yamamoto
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Patent number: 6462010Abstract: A hard surface liquid detergent with desirable cleansing properties comprises an anionic surfactant, a nonionic surfactant, a solubilizing agent, a solubilizer and water.Type: GrantFiled: January 8, 2002Date of Patent: October 8, 2002Assignee: Colgate-Palmolive CompanyInventors: Harry Aszman, Alison Kugler
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Patent number: 6255274Abstract: The use of comb polymers obtained by condensation of a) a polycarboxylic acid or a polyalcohol b) one or more optionally sulfo-substituted polyalcohols having 2 to 4 OH groups or polyglycols of the formula HO—(XO)a—H, in which X is C2H4 and/or C3H7 and a is a number from 2 to 35, preferably from 2 to 5, c) one or more optionally sulfonated C2-C10-dicarboxylic acids and d) one or more compounds of the formulae NH2R, NHR2, ROH, R1COOH, HO(XO)b—H and HO(CH2CH2)dSO3K, in which R is C1-C22-alkyl or C6-C10-aryl, R1 is C1-C22-alkyl, C1-C22-sulfoalkyl, C6-C10-aryl or C6-C10-sulfoaryl, X is C2H4 and/or C3H7, b is a number from 3 to 40, preferably 3 to 20, d is a number from 1 to 10, preferably 1 to 4, and K is a cation, as soil release polymers.Type: GrantFiled: February 16, 2000Date of Patent: July 3, 2001Assignee: Clariant GmbHInventors: Johannes Becherer, Frank-Peter Lang, Bernhard Mees, Roman Morschhäuser
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Patent number: 6177480Abstract: An agent for contact lenses, which comprises an aqueous medium and synthetic smectites particulates consisting essentially of primary particles having a particle size of at most 200 nm, dispersed in the aqueous medium.Type: GrantFiled: March 23, 1999Date of Patent: January 23, 2001Assignee: Menicon Co., Ltd.Inventors: Akira Tsuzuki, Osamu Mori
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Soap bar compositions comprising alpha sulfonated fatty acid alkyl esters and long chain fatty acids
Patent number: 6172026Abstract: Disclosed are compositions suitable for formation into mild personal cleansing or laundry detergent bars, as well as other uses. The compositions generally comprise: (a) from about 30% to about 99% by weight of a mixture of anionic surfactants comprising: i) an alpha sulfonated alkyl ester; and ii) a sulfonated fatty acid; (a) from about 0.5% to about 50% by weight of a fatty acid; and (b) from about 0.1% to about 50% by weight water; wherein the ratio of i) to ii) is from about 10:1 to about 0.5:1, and wherein the ratio of (a) to (b) is about 1:1 to about 11:1.Type: GrantFiled: August 5, 1999Date of Patent: January 9, 2001Assignee: Stepan CompanyInventors: Carlos E. Ospinal, Jeffrey S. Nelson, Catherine J. Sporer, Marshall J. Nepras -
Patent number: 6140287Abstract: An etching residue remover for cleaning etching residue from a substrate, derived from a mixture of at least hydroxylamine, an alkanolamine which is miscible with said hydroxylamine, water, and, optionally, a chelating agent, wherein the hydroxylamine and the alkanolamine are present in amounts sufficient to clean etching residue from the substrate.Type: GrantFiled: August 13, 1998Date of Patent: October 31, 2000Assignee: EKC Technology, Inc.Inventor: Wai Mun Lee
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Soap bar compositions comprising alpha sulfonated fatty acid alkyl esters and long chain fatty acids
Patent number: 5965508Abstract: Disclosed are compositions suitable for formation into mild personal cleansing or laundry detergent bars, as well as other uses. The compositions generally comprise:(a) from about 30% to about 99% by weight of a mixture of anionic surfactants comprising:i) an alpha sulfonated alkyl ester; andii) a sulfonated fatty acid;(a) from about 0.5% to about 50% by weight of a fatty acid; and(b) from about 0.1% to about 50% by weight water;wherein the ratio of i) to ii) is from about 10:1 to about 0.5:1, and wherein the ratio of (a) to (b) is about 1:1 to about 11:1.Type: GrantFiled: October 21, 1997Date of Patent: October 12, 1999Assignee: Stepan CompanyInventors: Carlos E. Ospinal, Jeffrey S. Nelson, Catherine J. Sporer, Marshall J. Nepras -
Patent number: 5902780Abstract: A stripping and cleaning composition for removing resists and etching residue from substrates containing hydroxylamine and at least one alkanolamine is described. Further, a cleaning composition for removing etching residue from semiconductor substrates containing hydroxylamine, at least one alkanolamine, at least one chelating agent, and water is described. The preferred chelating agent is 1,2-dihydroxybenzene or a derivative thereof. The chelating agent provides added stability and effectiveness to the cleaning composition.Type: GrantFiled: January 28, 1997Date of Patent: May 11, 1999Assignee: EKC Technology, Inc.Inventor: Wai Mun Lee
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Patent number: 5891835Abstract: A cleaner impregnated towel comprises a flexible, porous substrate and, impregnated into the substrate, a cleaner formulation comprising d-limonene, dibasic acid ester, N-methyl-2-pyrrolidone, secondary alcohol ethoxylate, sodium lauryl sulfate, polysorbate 80, a salt of a coconut oil fatty acid ester of isethionic acid, glycerine, ethyl alcohol, an antimicrobial preservative, and optionally water.Type: GrantFiled: March 17, 1998Date of Patent: April 6, 1999Assignee: Dotolo Research CorporationInventor: Jack T. Vlasblom
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Patent number: 5877132Abstract: A range of novel biodegradable aqueous acid cleaning systems for removing limescale from surfaces, especially stainless steel and porcelain surfaces, wherein said system comprises a biodegradable aqueous acid system, said system having a pH of less than 7.0, said system comprising at least one of the following acids:i) iminodiacetic acid;ii) aspartic acid;iii) derivatives selected from N-alkyl, N-alkylaryl and N-cycloaliphatic derivatives of iminodiacetic acid;iv) derivatives selected from N-alkyl, N-alkylaryl and N-cycloaliphatic derivatives of aspartic acid; andv) C.sub.2 -C.sub.10 polycarboxylic acids,said polycarboxylic acids containing a heteroatom in the main chain thereof, said heteroatom being selected from S, O and N; said system optionally comprising mixtures of said acids (i) to (v).The composition preferably comprises a surfactant to optimize the performance of said acid. Additional optional ingredients are selected from thickeners and co-builders and enzyme mixtures.Type: GrantFiled: November 13, 1997Date of Patent: March 2, 1999Assignee: S. C. Johnson & Son, Inc.Inventors: Ian C. Callaghan, Grace Abamba, Robert Kinsley, Timothy I. Moodycliffe, Richard P. Woodbury
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Patent number: 5861369Abstract: The present invention relates to compounds of the formula 1 ##STR1## wherein R.sub.1 is selected from hydrogen and -R.sub.4 -R.sub.5 where R.sub.4 is selected from nothing C.sub.1 -C.sub.20 linear or branched alkylene C.sub.3 -C.sub.20 cycloalkylene, C.sub.6 -C.sub.20 arylene, C.sub.7 -C.sub.20 alkarylene and C.sub.7 -C.sub.20 arlkylene; and R.sub.5 is one of hydrogen, hydroxy, --CO.sub.2 Z, phenyl hydroxyphenyl pyridyl, nitrophenyl, furyl, and thienyl; R.sub.2 and R.sub.3 are independently selected from a group of the formula --R.sub.4 --R.sub.6 ; where R.sub.4 is as defined above and R.sub.6 is one of hydrogen, hydroxy --CO.sub.2 Z. --CH(CO.sub.2 Z)--CH.sub.2 --CO.sub.2 Z and NR.sub.7 R.sub.8 ; where R.sub.7 and R.sub.8 are independently selected from a group of the formula: --(CH.sub.2)k--R.sub.g : where k.dbd.0-20 and R.sub.g is one of hydrogen, hydroxy, --CO.sub.2 Z. and --CH(CO.sub.2 Z)--CH.sub.2 --CO.sub.2 Z: wherein Y is selected from --CO.sub.2 Z. --SO.sub.3 Z and --C.dbd.Type: GrantFiled: February 29, 1996Date of Patent: January 19, 1999Assignee: Akzo Nobel nvInventor: Charles Navarro
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Patent number: 5837668Abstract: A process for preparing blends or slurries of acyloxyalkane sulfonate salts is provided. The salts have the formula:R.sub.1 C(O)O(CH.sub.2).sub.n SO.sub.3 Ywherein R.sub.1 is a hydrocarbyl radical having from about 6 to about 26 carbon atoms, n is an integer of from 2 to 4 and Y is an alkali metal or alkaline earth metal. The blend also comprises an amphoteric and/or anionic surfactant. The first step of the process comprises acylating an alkane sulfonic acid with a fatty acid at a temperature above about 180.degree. C. forming a molten reaction mass of acyloxyalkane sulfonate salts. In the next step, the molten reaction mass is quenched in an aqueous quench liquid comprising an amphoteric and/or anionic surfactant. Finally, a blend comprising an acyloxyalkane sulfonate and an amphoteric and/or anionic surfactant is recovered.Type: GrantFiled: April 30, 1996Date of Patent: November 17, 1998Assignee: Rhodia Inc.Inventors: David James Tracy, Paul Frank D'Angelo
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Patent number: 5814596Abstract: The present invention provides a structured paste which is substantially free of LAS and which is suitable for processing into a high bulk density, high active granular detergent. Surfactant pastes of the present invention have a viscosity of at least 10 Pa.s (measured at 70.degree. C. and 25 sec.sup.-1) and comprise: from 30% to 90% by weight of anionic surfactant; from 0% to 50% by weight of nonionic surfactant; from 0.5% to 20% by weight of either a polymeric cationic material or a polar amino acid; and from 1% to 40% by weight of water.Type: GrantFiled: February 24, 1997Date of Patent: September 29, 1998Assignee: The Procter & Gamble CompanyInventors: Yousef Georges Aquad, Brian Joseph Pangrle, Johan Gerwijn L. Pluyter
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Patent number: 5801270Abstract: The present invention relates to an amine derivative represented by the following general formula (1): ##STR1## wherein R.sup.2 and R.sup.3 mean individually an alkyl or alkenyl group which may have --OH and has 1-24 carbon atoms, A denotes an alkylene or alkenylene group which may have at least one --OH, --COOH or --SO.sub.3 H and has 1-6 carbon atoms, Y.sup.1 is --COOH, --SO.sub.3 H or --OSO.sub.3 H, Y.sup.2 means --OH, --OSO.sub.3 H or --OCO--A--COOH, n stands for a number of 0 or 1, and p is an integer of 1-8, or a salt or quaternized product thereof, and a detergent composition containing such a compound. This compound is low in irritativeness to the skin and hair and excellent in foamability, and can give a pleasant feeling to the user's skin and the like.Type: GrantFiled: June 13, 1996Date of Patent: September 1, 1998Assignee: Kao CorporationInventors: Mitsuru Uno, Tomohito Kitsuki, Katsumi Kita, Yoshiaki Fujikura, Akiko Okutsu
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Patent number: 5749976Abstract: The invention relates to a novel cleaning solution for use particularly with automated analyzers used in clinical laboratories and a method of cleaning a surface with the cleaning solution. The solution eliminates problems of cross-contamination of samples due to reagent carryover which can be brought about by an analyzer's probe that dispenses more than one reagent. The solution is particularly suitable for resolving carryover problems in coagulation assays performed with automated systems. The cleaning solution includes a bile salt, an ionic surfactant, sodium ions, and water and has a pH in a range of about 1 to 4.Type: GrantFiled: July 10, 1996Date of Patent: May 12, 1998Assignee: Akzo Nobel N.V.Inventors: Timothy J. Fischer, Maria L. Bell, Regina J. Bowling
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Patent number: 5739099Abstract: An improved rinse aid composition comprising a blend of nonionic, cationic, anionic, zwitterionic and amphoteric surfactants, hydrotropes, and copolymers of alkylene oxide adducts of allyl alcohol and acrylic acid useful in reducing spotting and filming of dishware.Type: GrantFiled: December 6, 1995Date of Patent: April 14, 1998Assignee: BASF CorporationInventors: Michael C. Welch, Kenneth L. Zack, Glenis Roberts
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Patent number: 5672577Abstract: A stripping and cleaning composition for removing resists and etching residue from substrates containing hydroxylamine and at least one alkanolamine is described. Further, a cleaning composition for removing etching residue from semiconductor substrates containing hydroxylamine, at least one alkanolamine, at least one chelating agent, and water is described. The preferred chelating agent is 1,2-dihydroxybenzene or a derivative thereof. The chelating agent provides added stability and effectiveness to the cleaning composition.Type: GrantFiled: September 6, 1995Date of Patent: September 30, 1997Assignee: EKC Technology, Inc.Inventor: Wai Mun Lee
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Patent number: 5658872Abstract: Polyaminoacid builders or co-builders having the general formula: ##STR1## that are useful in the formulations of detergents are disclosed. Preferred detergent formulations contain from 5 to 50 percent by weight of the polyaminoacid builder, preferably polyaspartic aicd or polyglutamic acid, together with surface-active agents, aluminosilicates and other detergent additives.Type: GrantFiled: June 14, 1994Date of Patent: August 19, 1997Assignee: Rohm and Haas CompanyInventors: Annick Du Vosel, Franco Francalanci, Paola Maggiorotti
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Patent number: 5543072Abstract: There is provided a mild detergent toilet bar (syndet bar) composition containing from at least 25 percent up to about 65 percent by weight of synthetic surface active agents, which lathers, foams and wears well, exhibits minimal slushing and curd-forming properties in all types of water, possesses good plasticity and tactile properties while also being mild and non-injurious to the user's skin and readily processed with conventional soap-making equipment. The syndet bar compositions containa) from about 15 to 35 percent by weight of acyl esters of isethionic acid salts;b) at least one sulfosuccinate in an amount from about 10 to about 30 percent by weight wherein the weight ratio of said acyl isethionate esters to sulfosuccinate is 0.Type: GrantFiled: October 31, 1994Date of Patent: August 6, 1996Assignee: Mona Industries, Inc.Inventors: Dennis L. Fost, Joseph A. Komor, Mario Novakovic