Nitrogen Or -c(=x)-, Wherein X Is Chalcogen, Attached Indirectly To The Sulfonate Groups By Nonionic Bonding Patents (Class 562/102)
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Patent number: 10961183Abstract: There is disclosed a process for producing alkali taurinate by the ammonolysis of alkali ditaurinate, alkali tritaurinate, or a solution of alkali ditaurinate and alkali tritaurinate in the presence of one or more catalysts. The ammonolysis reaction is catalyzed by alkali salts of hydroxide, sulfate, sulfite, phosphate, or carbonate.Type: GrantFiled: July 9, 2018Date of Patent: March 30, 2021Assignee: VITAWORKS IP, LLCInventor: Songzhou Hu
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Patent number: 10417112Abstract: In an approach for utilizing overlay hooks to increase code coverage, a processor inserts an overlay hook in program code at a location within the program code corresponding to a condition statement. A processor executes the program code. Upon reaching the overlay hook, a processor branches to a set of instructions operative to document an outcome of the condition statement. A processor executes the condition statement. A processor records the outcome of the condition statement.Type: GrantFiled: September 19, 2016Date of Patent: September 17, 2019Assignee: International Business Machines CorporationInventors: Michael S. Fulton, Kevin A. Stoodley
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Patent number: 10040755Abstract: There is disclosed a process for producing alkali taurinate from alkali isethionate by the ammonolysis of a solution of alkali isethionate, alkali ditaurinate, and alkali tritaurinate, or a solution of alkali ditaurinate and alkali tritaurinate. The overall yield of alkali taurinate from alkali isethionate is obtained to from 90% to nearly quantitative. The ammonolysis reaction is catalyzed by alkali salts of hydroxide, sulfate, sulfite, phosphate, or carbonate.Type: GrantFiled: January 12, 2018Date of Patent: August 7, 2018Assignee: VITAWORKS IP, LLCInventor: Songzhou Hu
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Patent number: 9573890Abstract: There is disclosed a process for producing taurine by the ammonolysis of alkali isethionate in the presence of alkali ditaurinate or alkali tritaurinate, or their mixture, to inhibit the formation of byproducts and to continuously convert the byproducts of the ammonolysis reaction to alkali taurinate. The production yield is increased to from 90% to nearly quantitative. The ammonolysis reaction is catalyzed by alkali salts of hydroxide, sulfate, sulfite, phosphate, or carbonate.Type: GrantFiled: August 4, 2016Date of Patent: February 21, 2017Assignee: Vitaworks IP, LLCInventor: Songzhou Hu
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Patent number: 9428450Abstract: A process for producing taurine from alkali ditaurinate or alkali tritaurinate, or their mixture, comprising the conversion of alkali ditaurinate to dialkali ditaurinate or alkali tritaurinate to trialkali tritaurinate, or their mixture, the ammonolysis reaction of ammonia added to a solution of dialkali ditaurinate or trialkali tritaurinate, or their mixture, to yield alkali taurinate, removing excess ammonia from the foregoing and neutralizing alkali taurinates with an acid to form a crystalline suspension of taurine, and recovering taurine by means of solid-liquid separation.Type: GrantFiled: April 18, 2014Date of Patent: August 30, 2016Inventor: Songzhou Hu
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Patent number: 8900794Abstract: A photoacid generator compound has the formula (I): [A-(CHR1)p]k-(L)-(CH2)m—(C(R2)2)n—SO3?Z+??(I) wherein A is a substituted or unsubstituted, monocyclic, polycyclic, or fused polycyclic C5 or greater cycloaliphatic group optionally comprising O, S, N, F, or a combination comprising at least one of the foregoing, R1 is H, a single bond, or a substituted or unsubstituted C1-30 alkyl group, wherein when R1 is a single bond, R1 is covalently bonded to a carbon atom of A, each R2 is independently H, F, or C1-4 fluoroalkyl, wherein at least one R2 is not hydrogen, L is a linking group comprising a sulfonate group, a sulfonamide group, or a C1-30 sulfonate or sulfonamide-containing group, Z is an organic or inorganic cation, p is an integer of 0 to 10,k is 1 or 2, m is an integer of 0 or greater, and n is an integer of 1 or greater.Type: GrantFiled: September 28, 2012Date of Patent: December 2, 2014Assignee: Rohm and Haas Electronic Materials LLCInventors: Emad Aqad, Cheng-Bai Xu, Mingqi Li, Shintaro Yamada, William Williams, III
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Publication number: 20140339462Abstract: The present invention discloses compounds of 4,4?-diaminostilbene-2,2?-disulphonic acid which are useful as optical brighteners to bleach fibres, cellulose and in particular paper and cardboard.Type: ApplicationFiled: July 17, 2014Publication date: November 20, 2014Inventors: Ferruccio Berte', Patrick Alborghetti
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Publication number: 20130231500Abstract: The present invention relates to a new method for the preparation of (3S,3S?) 4,4?-disulfanediylbis(3-aminobutane 1-sulfonic acid) in five steps from (S)-ethyl 2-(benzyloxycarbonylamino)-4-(neopentyloxysulfonyl)butanoate A.Type: ApplicationFiled: October 7, 2011Publication date: September 5, 2013Applicant: QUANTUM GEOMICSInventors: Fabrice Balavoine, Jonathan Madec, Jean-Marie Schneider, Gérard Coquerel, Nicolas Couvrat, Yohann Cartigny, Marie-Noëlle Petit
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Publication number: 20130190417Abstract: The disclosure provides anionic Gemini surfactants comprising at least two carbonyl moieties and at least two aliphatic moieties. In some aspects, at least two of the aliphatic moieties comprise at least seven carbon atoms and at least one pair of conjugated carbon-to-carbon double bonds. The anionic Gemini surfactants are polymerizable and may be used to prepare triply periodic multiply continuous lyotropic phase and polymers thereof that substantially retain triply periodic multiply continuous lyotropic phase structure.Type: ApplicationFiled: January 23, 2013Publication date: July 25, 2013Applicant: WISCONSIN ALUMNI RESEARCH FOUNDATIONInventor: Wisconsin Alumni Research Foundation
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Patent number: 8334402Abstract: Amines and amine derivatives that improve the buffering range, and/or reduce the chelation and other negative interactions of the buffer and the system to be buffered. The reaction of amines or polyamines with various molecules to form polyamines with differing pKa's will extend the buffering range, derivatives that result in polyamines that have the same pKa yields a greater buffering capacity. Derivatives that result in zwitterionic buffers improve yield by allowing a greater range of stability.Type: GrantFiled: October 6, 2010Date of Patent: December 18, 2012Inventor: Thomas Daly
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Publication number: 20120316359Abstract: Amines and amine derivatives that improve the buffering range, and/or reduce the chelation and other negative interactions of the buffer and the system to be buffered. The reaction of amines or polyamines with various molecules to form polyamines with differing pKa's will extend the buffering range, derivatives that result in polyamines that have the same pKa yields a greater buffering capacity. Derivatives that result in zwitterionic buffers improve yield by allowing a greater range of stability.Type: ApplicationFiled: August 17, 2012Publication date: December 13, 2012Inventor: Thomas Daly
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Publication number: 20120296093Abstract: This application discloses a novel process for the preparation of himbacine analogs useful as thrombin receptor antagonists. The process is based in part on the use of a base-promoted dynamic epimerization of a chiral nitro center.Type: ApplicationFiled: July 31, 2012Publication date: November 22, 2012Inventors: George Wu, Anantha R. SUDHAKAR, Tao WANG, Ji XIE, Frank Xing CHEN, Marc POIRIER, Mingsheng HUANG, Vijay SABESAN, Daw-long KWOK, Jian CUI, Xiaojing YANG, Tiruvettipuram K. THIRUVENGADAM, Jing LIAO, Ilia A. Zavialov, Hoa N. NGUYEN, Ngiap Kie LIM
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Publication number: 20120107323Abstract: The invention provides compounds capable of treating a subject suffering from or being susceptible to a cell proliferative disorder (especially, cancer), methods of identifying and using the compounds, pharmaceutical compositions and kits thereof.Type: ApplicationFiled: March 12, 2010Publication date: May 3, 2012Applicant: University of FloridaInventors: Steven N. Hochwald, David A. Ostrov, William G. Cance, Elena Kurenova
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Patent number: 8084638Abstract: The present application relates to sulfanyl derivatives of formula (I) and to their use as synthesis intermediates, especially for the preparation of the pharmaceutically active compound mesna. Formula (I), wherein X is O or N—C(NH)NH2; M+ is hydrogen, sodium, disodium, potassium, dipotassium, ammonium (NH4)+, diammonium, quaternary ammonium, calcium or magnesium.Type: GrantFiled: July 17, 2008Date of Patent: December 27, 2011Assignee: UCB Pharma, S.A.Inventors: Julien Leveque, Nicolas Barbarin, Magali Palacio
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Publication number: 20110251392Abstract: This application discloses a novel process for the preparation of himbacine analogs useful as thrombin receptor antagonists. The process is based in part on the use of a base-promoted dynamic epimerization of a chiral nitro center.Type: ApplicationFiled: June 24, 2011Publication date: October 13, 2011Inventors: George Wu, Anantha R. Sudhakar, Mingsheng Huang, Tao Wang, Vijay Sabesan, Ji Xie, Frank Xing Chen, Marc Poirier, Daw-long Kwok, Jian Cui, Xiaojing Yang, Tiruvettipuram K. Thiruvengadam, Jing Liao, Ilia A. Zavialov, Hoa N. Nguyen, Ngiap Kie. Lim
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Publication number: 20110137076Abstract: Amines and amine derivatives that improve the buffering range, and/or reduce the chelation and other negative interactions of the buffer and the system to be buffered. The reaction of amines or polyamines with various molecules to form polyamines with differing pKa's will extend the buffering range, derivatives that result in polyamines that have the same pKa yields a greater buffering capacity. Derivatives that result in zwitterionic buffers improve yield by allowing a greater range of stability.Type: ApplicationFiled: October 6, 2010Publication date: June 9, 2011Inventor: Thomas Daly
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Publication number: 20110087048Abstract: Disclosed is a new ionic liquid monomer salt and methods of is synthesis and polymerization. The ionic liquid monomer salt is prepared by mixing equimolar amounts of an amine, such as tris[2-(2-methoxyethoxy)-ethyl]amine and an acid functionalized polymerizable monomer, such as 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS), which is stirred at ambient temperature until salt formation is complete. Also disclosed is a new ionic liquid polymer salts and method for making the same. The synthesis of AMPS-ammonium salt polymer is accomplished by adding 2,2?-azobisisobutyronitrile (AIBN) to the ionic liquid monomer salt and heating the homogeneous melt at 70° C. for 18 hr.Type: ApplicationFiled: October 5, 2010Publication date: April 14, 2011Applicant: The Government of the United States of Amrica, as represented by the Secretary of the NavyInventors: Holly L. Ricks-Laskoski, Arthur W. Snow
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Publication number: 20100292505Abstract: The present application relates to sulfanyl derivatives of formula (I) and to their use as synthesis intermediates, especially for the preparation of the pharmaceutically active compound mesna. Formula (I), wherein X is O or N—C(NH)NH2; M+ is hydrogen, sodium, disodium, potassium, dipotassium, ammonium (NH4)+, diammonium, quaternary ammonium, calcium or magnesium.Type: ApplicationFiled: July 17, 2008Publication date: November 18, 2010Applicant: UCB PHARMA, S.A.Inventors: Julien Leveque, Nicolas Barbarin, Magali Palacio
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Publication number: 20090203935Abstract: A modified polyol compound having alkoxylation and having at least one anionic capping unit, uses of the modified polyol compound having alkoxylation and having at least one anionic capping unit and cleaning compositions comprising the same.Type: ApplicationFiled: April 15, 2009Publication date: August 13, 2009Inventors: Jeffrey John Scheibel, Julie Ann Menkhaus, Xinbei Song, Eva Schneiderman
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Patent number: 7273949Abstract: Disulfonate salts of 2,4-pentanedione and methods for making such salts are described. The disulfonate salts are useful as cement dispersants. Cement compositions including such salts, methods for making cement compositions including such salts, and methods for performing cementing operations using such cement compositions are also described.Type: GrantFiled: August 5, 2005Date of Patent: September 25, 2007Assignee: Halliburton Energy Services, Inc.Inventors: Samuel J. Lewis, Michael J. Szymanski
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Patent number: 7157092Abstract: Compounds of the formula wherein the substitutents are defined as in the specification useful for modulating immune responses in warm-blooded animals.Type: GrantFiled: June 23, 1999Date of Patent: January 2, 2007Assignee: Om PharmaInventors: Jacques Bauer, Olivier Richard Martin
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Patent number: 6699910Abstract: The present invention relates to novel ketone compounds, compositions comprising ketone compounds, and methods useful for treating and preventing cardiovascular diseases, dyslipidemias, dysproteinemias, and glucose metabolism disorders comprising administering a composition comprising a ketone compound. The compounds, compositions, and methods of the invention are also useful for treating and preventing Alzheimer's Disease, Syndrome X, peroxisome proliferator activated receptor-related disorders, septicemia, thrombotic disorders, obesity, pancreatitis, hypertension, renal disease, cancer, inflammation, and impotence. In certain embodiments, the compounds, compositions, and methods of the invention are useful in combination therapy with other therapeutics, such as hypocholesterolemic and hypoglycemic agents.Type: GrantFiled: October 11, 2001Date of Patent: March 2, 2004Assignee: Esperion Therapeutics, Inc.Inventors: Jean-Louis Henri Dasseux, Carmen Daniela Oniciu
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Patent number: 6498150Abstract: The present invention relates to peptide-like compounds, eg aminocarboxylic acid amide derivatives, and to methods of using same to stimulate cells of the immune system, bone marrow and other organs. The present compounds can be used to enhance vaccination, increase synthesis of and enhance function of blood cell components and enhance anti-neoplastic effects of various agents. The compounds of the invention can be used to produce a variety of further pharmacologic effects.Type: GrantFiled: October 7, 1999Date of Patent: December 24, 2002Assignee: Dovetail Technologies, Inc.Inventors: Floyd Taub, Thomas J. Perun, Christopher K. Murray, Randall J. Daughenbaugh, Daniel Lednicer
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Patent number: 6323363Abstract: The invention concerns amphiphilic compounds of general formula (I) with at least two hydrophilic and at least two hydrophobic groups based on dicarboxylic acid diamides. The disclosed amphiphilic compounds mostly have a surfactant activity and are useful as emulsifiers, demulsifiers, detergents, dispersants, and hydrotropic agents for industry and household, for example in the fields of metal working, ore mining, surface finishing, washing and cleaning, cosmetics, medicine, foodstuff processing and preparation.Type: GrantFiled: February 18, 1999Date of Patent: November 27, 2001Assignee: RWE-DEA Aktiengesellschaft fuer Mineraloel und ChemieInventors: Klaus Kwetkat, Ulrike Jacobs, Silvia Scholz
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Patent number: 6306816Abstract: The reaction product of an alkylenediamine, each amino group thereof being a primary or secondary amino group; with at least two equivalents of an acrylamidoalkanesulfonic acid or a salt thereof, wherein each amine nitrogen atom of said alkylenediamine is reacted with a single molecule of the acrylamidoalkane sulfonic acid or salt thereof provides a useful surfactant or hydrotrope.Type: GrantFiled: January 9, 2001Date of Patent: October 23, 2001Assignee: The Lubrizol CorporationInventors: Philip W. Pike, Bryan A. Grisso, Richard W. Jahnke
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Patent number: 6207637Abstract: The reaction product of an alkylenediamine, each amino group thereof being a primary or secondary amino group; with at least two equivalents of an acrylamidoalkanesulfonic acid or a salt thereof, wherein each amine nitrogen atom of said alkylenediamine is reacted with a single molecule of the acrylamidoalkane sulfonic acid or salt thereof provides a useful surfactant or hydrotrope.Type: GrantFiled: October 23, 1998Date of Patent: March 27, 2001Assignee: The Lubrizol CorporationInventors: Philip W. Pike, Bryan A. Grisso, Richard W. Jahnke
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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: 5714457Abstract: The present invention relates to a 2-hydroxypropanediamine derivative represented by the following general formula (1): ##STR1## wherein R.sup.1 and R.sup.2 mean individually a linear or branched C.sub.6 -C.sub.36 alkyl or alkenyl group, X denotes a C.sub.1 -C.sub.6 alkylene or alkenylene group which may be substituted by at least one hydroxyl, sulfonic or carboxyl group and has 1-6 carbon atoms, y.sup.1 is a sulfonic group, a sulfuric acid residue or a carboxyl group, y.sup.2 means a hydroxyl group, a sulfuric acid residue or ##STR2## and n stands for 0 or 1, 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: January 11, 1996Date of Patent: February 3, 1998Assignee: Kao CorporationInventors: Tomohito Kitsuki, Mitsuru Uno, Katsumi Kita, Yoshiaki Fujikura, Akiko Nakano, Masaki Tosaka, Kazuyuki Yahagi, Shigeru Tamura, Kazunari Maruta
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Patent number: 5696071Abstract: Described are a tris(3-aminopropyl)amine derivative represented by the following formula (1): ##STR1## wherein R represents a C.sub.1-24 alkyl or alkenyl group which may have --OH, A represents a C.sub.1-6 alkylene or alkenylene group which may have --OH, --COOH or --SO.sub.3 H, Y.sup.1 represents --COOH, --SO.sub.3 H or --OSO.sub.3 H , Y.sup.2 represents --OH, --OSO.sub.3 H or --OCO--A--COOH and n stands for 0 or 1, or a salt or quaternized product thereof; and a detergent composition containing the same. The compound according to the present invention has low skin or hair irritation, has excellent foaming power and imparts favorable touch feeling to the skin or the like.Type: GrantFiled: January 7, 1997Date of Patent: December 9, 1997Assignee: Kao CorporationInventors: Akiko Okutsu, Tomohito Kitsuki, Katsumi Kita
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Patent number: 5693854Abstract: Novel compounds useful as sequestrants as well as builders for detergent compositions and methods for their preparation are disclosed.Type: GrantFiled: December 27, 1995Date of Patent: December 2, 1997Assignee: Lever Brothers Company, Division of Conopco, Inc.Inventors: Eddie Nelson Gutierrez, Shang-Ren Wu, Robert Vermeer
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Patent number: 5472642Abstract: Diaminoalkyl di(sulfosuccinate) compounds useful as builders are disclosed together with a method for their preparation and detergent compositions for their use.Type: GrantFiled: December 22, 1994Date of Patent: December 5, 1995Assignee: Lever Brothers Company, Division of Conopco Inc.Inventors: Eddie N. Gutierrez, Shang-Ren Wu
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Patent number: 5430180Abstract: Propanone-1,3-disulfonic acid (acetone disulfonic acid) may be prepared by reacting chlorosulfonic acid with acetone preferably in the presence of a solvent for the reactants, such as methylene chloride, although a neat reaction is possible. The reactants and reaction conditions prior to separation should be substantially anhydrous, but water may be added after reaction to separate the product as an aqueous solution.Type: GrantFiled: February 16, 1994Date of Patent: July 4, 1995Assignee: Elf Atochem N.A., Inc.Inventor: Stanley R. Sandler
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Patent number: 5326906Abstract: The ampholytes are extracted from the reaction solution with a liquid cation exchanger which is immiscible with the acidic aqueous reaction solution, where the cation exchanger is dissolved in at least one organic solvent which is immiscible with water and forms an organic phase with the organic solvent. Subsequently the organic phase which is loaded with the ampholyte is separated from the reaction solution, and then the ampholytes are back-extracted from the organic phase with aqueous solvents. The product losses in the process are low, and the residual salt content is very low.Type: GrantFiled: January 10, 1992Date of Patent: July 5, 1994Assignee: Hoechst AktiengesellschaftInventors: Heribert Tetzlaff, Matthias Krull, Gernot Kremer, Christoph Porz
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Patent number: 5262563Abstract: There is provided a process for producing sulfoalkyl-substituted hydroxylamines useful as preservatives to be added to a color developer for photosensitive materials. In this process, the sulfoalkyl-substituted hydroxylamines can be easily synthesized by reacting a specified alkylating agent, cyclic sulfonic ester, vinylsulfonic acid or sulfoalkyl-substituted acrylamide with a hydroxylamine.Type: GrantFiled: July 11, 1990Date of Patent: November 16, 1993Assignee: Fuji Photo Film Co., Ltd.Inventor: Kiyoshi Morimoto
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Patent number: 5258141Abstract: New compounds are represented by Formula I: ##STR1## and salts and complexes thereof; wherein R is an alkyl group having at least one --SO.sub.3 H and at least one --OH; each R' is independently selected from hydrogen, an unsubstituted or inertly substituted alkyl group, an alkyl group substituted with a carbonyl group, with a carboxylic acid, salt or complexed carboxyl group, or an alkoxy group; R" is hydroxyalkyl and x+y+z=3 and are good chelants. The compounds are also biodegradable and are particularly useful in washing compositions, preferably containing detergents and in gas conditioning.Type: GrantFiled: January 26, 1993Date of Patent: November 2, 1993Assignee: The Dow Chemical CompanyInventors: Druce K. Crump, David A. Wilson
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Patent number: 5248811Abstract: There is provided a process for producing sulfoalkyl-substituted hydroxylamines useful as preservatives to be added to a color developer for photosensitive materials. In this process, the sulfoalkyl-substituted hydroxylamines can be easily synthesized by reacting a specified alkylating agent, cyclic sulfonic ester, vinylsulfonic acid or sulfoalkylsubstituted acrylamide with a hydroxylamine.Type: GrantFiled: August 14, 1992Date of Patent: September 28, 1993Assignee: Fuji Photo Film Co., Ltd.Inventor: Kiyoshi Morimoto
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Patent number: 5208369Abstract: New compounds are represented by Formula I: ##STR1## and salts and complexes thereof; wherein R is an alkyl group having at least one --SO.sub.3 H and at least one --OH; each R' is independently selected from hydrogen, an unsubstituted or inertly substituted alkyl group, an alkyl group substituted with a carbonyl group, with a carboxylic acid, salt or complexed carboxyl group, or an alkoxy group; R" is hydroxyalkyl and x+y+z=3 and are good chelants. The compounds are also biodegradable and are particularly useful in washing compositions, preferably containing detergents and in gas conditioning.Type: GrantFiled: May 31, 1991Date of Patent: May 4, 1993Assignee: The Dow Chemical CompanyInventors: Druce K. Crump, David A. Wilson
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Patent number: 4987249Abstract: 2,4-pentanedione-1,5-disulfonic acid is prepared by reacting chlorosulfonic acid with 2,4-pentanedione with heating to a temperature greater than about 50.degree. C., preferably in the presence of an anhydrous solvent. The method of this invention generally yields 2,4-pentanedione-1,5-disulfonic acid in excess of about 60 percent. The novel pentanedionedisulfonic acid (2,4-pentanedione-1,5-disulfonic acid acetylacetone disulfonic acid) is disclosed.Type: GrantFiled: September 28, 1989Date of Patent: January 22, 1991Assignee: Atochem North America, Inc.Inventor: Stanley R. Sandler
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Patent number: 4985591Abstract: Preparation of a semi-crystalline catalyst for curing coating compositions wherein an isocyanate-sulfonate or -phosphonate is made by a Michael addition followed by chain extension with an isocyanate.Type: GrantFiled: August 15, 1988Date of Patent: January 15, 1991Assignee: E. I. du Pont de Nemours and CompanyInventors: Jozef T. Huybrechts, Werner Zimmt
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Patent number: 4978781Abstract: The present invention relates to low-foam alkali-stable surface active agents which are amphoteric. The subject materials are hydroxypropyl sultaines.Type: GrantFiled: September 25, 1989Date of Patent: December 18, 1990Assignee: Miranol, Inc.Inventor: Richard J. Nadolsky
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Patent number: 4891159Abstract: Novel surface active agents of the formula: ##STR1## wherein R is selected from the group consisting of alkyl, aryl, alkylaryl groups of 2-18 carbons and alkoxymethyl wherein the alkoxy group is of 2-18 carbon atoms,R.sup.2 and R.sup.3 are individually selected from the group consisting of methyl; alkyl of 2 to 6 carbon atoms wherein said alkyl group is substituted by an electron-donating group on the beta carbon atoms thereof; polyoxyethylene and polyoxypropylene or R.sup.2 R.sup.3 may jointly form a --CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 -- or CH.sub.2 CH.sub.2 SCH.sub.2 CH.sub.2 -- group so as to form, together with the nitrogen atom to which they are bound, to form a morpholine or thiomorpholine ringQ is a covalent bond or ##STR2## wherein R.sup.1 is independently selected from the same groups as R.sup.2 and R.sup.Type: GrantFiled: August 27, 1986Date of Patent: January 2, 1990Assignee: Miranol Inc.Inventor: Richard J. Nadolsky
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Patent number: 4859374Abstract: Sulfosuccinamido acids and salts thereof corresponding to the following general formula ##STR1## in which x is a number of 5 to 60 and preferably 20 to 40,M is hydrogen, an alkali metal, an ammonium, C.sub.1 -C.sub.4 alkylammonium or C.sub.2 -C.sub.3 hydroxyalkylammonium groups and, of the substituents R.sup.1 and R.sup.2, one is hydrogen and the other is --SO.sub.3 M,and their use as surfactants and emulsifiers in aqueous systems.Type: GrantFiled: February 24, 1988Date of Patent: August 22, 1989Assignee: Bayer AktiengesellschaftInventors: Udo-Winfried Hendricks, Adolf Schmidt
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Patent number: RE48238Abstract: A process for producing taurine from alkali ditaurinate or alkali tritaurinate, or their mixture, comprising the conversion of alkali ditaurinate to dialkali ditaurinate or alkali tritaurinate to trialkali tritaurinate, or their mixture, the ammonolysis reaction of ammonia added to a solution of dialkali ditaurinate or trialkali tritaurinate, or their mixture, to yield alkali taurinate, removing excess ammonia from the foregoing and neutralizing alkali taurinates with an acid to form a crystalline suspension of taurine, and recovering taurine by means of solid-liquid separation.Type: GrantFiled: April 8, 2020Date of Patent: October 6, 2020Assignee: VITAWORKS IP, LLCInventor: Songzhou Hu
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Patent number: RE48333Abstract: A process for producing taurine from alkali ditaurinate or alkali tritaurinate, or their mixture, comprising the conversion of alkali ditaurinate to dialkali ditaurinate or alkali tritaurinate to trialkali tritaurinate, or their mixture, the ammonolysis reaction of ammonia added to a solution of dialkali ditaurinate or trialkali tritaurinate, or their mixture, to yield alkali taurinate, removing excess ammonia from the foregoing and neutralizing alkali taurinates with an acid to form a crystalline suspension of taurine, and recovering taurine by means of solid-liquid separation.Type: GrantFiled: April 21, 2020Date of Patent: December 1, 2020Assignee: VITAWORKS IP, LLCInventor: Songzhou Hu
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Patent number: RE48354Abstract: A process for producing taurine from alkali ditaurinate or alkali tritaurinate, or their mixture, comprising the conversion of alkali ditaurinate to dialkali ditaurinate or alkali tritaurinate to trialkali tritaurinate, or their mixture, the ammonolysis reaction of ammonia added to a solution of dialkali ditaurinate or trialkali tritaurinate, or their mixture, to yield alkali taurinate, removing excess ammonia from the foregoing and neutralizing alkali taurinates with an acid to form a crystalline suspension of taurine, and recovering taurine by means of solid-liquid separation.Type: GrantFiled: April 21, 2020Date of Patent: December 15, 2020Assignee: Vitaworks IP, LLCInventor: Songzhou Hu
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Patent number: RE48369Abstract: There is disclosed a process for producing taurine by the ammonolysis of alkali isethionate in the presence of alkali ditaurinate or alkali tritaurinate, or their mixture, to inhibit the formation of byproducts and to continuously convert the byproducts of the ammonolysis reaction to alkali taurinate. The production yield is increased to from 90% to nearly quantitative. The ammonolysis reaction is catalyzed by alkali salts of hydroxide, sulfate, sulfite, phosphate, or carbonate.Type: GrantFiled: April 7, 2020Date of Patent: December 29, 2020Assignee: Vitaworks IP, LLCInventor: Songzhou Hu