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| Number | Title | Issue Date |
| 7598414 | Method of making a synthetic alkylaryl sulfonate A process for preparing a synthetic petroleum sulfonate comprising (a) reacting a first amount of at least one aromatic compound with a first amount of a mixture of olefins having from about 8 to about 100 carbon atoms, in the presence of a strong acid catalyst; (b)... | 10/06/2009 |
| 7339021 | Method for preparing polycarbonate resin The present invention relates to a method for preparing polycarbonate resin, and more particularly to a method for effectively preparing polycarbonate resin having a large molecular weight in a short time under a melt polymerization condition using a catalyst system... | 03/04/2008 |
| 7332460 | Alkylxylene sulfonates for enhanced oil recovery processes The present invention is directed to alkylxylene sulfonate for enhanced oil recovery processes. The alkylxylene moiety in the alkylxylene sulfonate contains a high percentage of the 4-alkyl-1,2-dimethyl benzene isomer and a high percentage of alkyl group attachment ... | 02/19/2008 |
| 7217842 | Catalysts for nucleophilic substitution, synthesis thereof, composition containing them and use thereof The invention concerns novel catalysts for aromatic nucleophilic substitution. Said catalysts are compounds of the general formula (I), wherein: R1, R2, R3, R4, R5, and R6, identical or different, are... | 05/15/2007 |
| 7135268 | Amplification type positive resist composition The present invention provides a sulfonate of the formula (I′): wherein Q1, Q2, Q3, Q4 and Q5 each independently represent hydrogen, alkyl having 1 to 16 c... | 11/14/2006 |
| 7094924 | Method for decreasing surface defects of patterned resist layer Disclosed is a method for decreasing the surface defects of a patterned photoresist layer on a substrate surface obtained by the procedure comprising the steps of (a) forming a photoresist layer of a positive-working chemical-amplification photoresist composition on... | 08/22/2006 |
| 7060852 | Method for producing alkyl aryl sulphonates The invention relates to a process for the preparation of alkylarylsulfonates by a) reaction of a C4-olefin mixture over a metathesis catalyst for the preparation of an olefin mixture comprising 2-pentene and/or 3-hexene, and optional removal... | 06/13/2006 |
| 6951706 | Sulfonate and resist composition The present invention provides a sulfonate of the formula (I): wherein Q1, Q2, Q3, Q4 and Q5 each independently represent hydrogen, alkyl having 1 to 16 carbon ato... | 10/04/2005 |
| 6936732 | Sulphonation of phenols A process for the preparation of sulphonated phenols of general formula (I) where R1 is hydrogen, a C1-C20 alkyl group which is unsubstituted or substituted by halogen, cyano, hydroxyl, C1-C20 alkoxy, C2 | 08/30/2005 |
| 6861400 | Oligomeric hydrophobic dispersants and laundry detergent compositions comprising oligomeric dispersants The present invention relates to novel hydrophobic soil dispersants having the formula: wherein A units are arylene units, one of which is phenyl, anthryl, or phenanthryl; each R is independently hydrogen, linear or br... | 03/01/2005 |
| 6762205 | Phenyl sulfamate derivatives Phenyl sulfamate derivatives represented by the following formula or salts thereof have a powerful inhibitory effect on steroid sulfatase and are hence useful for the prophylaxis or treatment of diseases associated with steroids such as estrogens, such as breast can... | 07/13/2004 |
| 6706249 | Composite polybasic salt, process for producing the same, and use A composite metal polybasic salt containing a trivalent metal and magnesium as metal components and having a novel crystal structure, and a method of preparing the same. The invention further deals with a composite metal polybasic salt which has anion-exchanging pro... | 03/16/2004 |
| 6673961 | Processes for making surfactants via absorptive separation and products thereof Processes for making particularly branched, especially monomethyl-branched or nongeminal dimethyl-branched surfactants used in cleaning products; preferred processes comprising particular combinations of two or more adsorptive separation steps and, more p... | 01/06/2004 |
| 6639103 | 3-oxopropane-1-sulphonic acids and sulphonates The invention relates to 1,3-disubstituted-3-oxopropane-1-sulfonic acids and sulfonates and enantiomerically inriched forms thereof. The invention further relates to the use of these enantiomerically inriched compounds to resolve mixtures of enantiomers, ... | 10/28/2003 |
| 6521785 | Pesticide formulations containing alkoxylated amine neutralized aromaticsulfonic acid surfactants The present invention relates to surfactants useful in life science and industrial formulations. More particularly, the invention relates to surfactants of alkoxylated amine neutralized by aromatic sulfonic acid and pesticide formulations containing the s... | 02/18/2003 |
| 6509354 | 3-arylphenyl sulfide derivative and insecticide and miticide 3-Arylphenyl sulfide derivatives represented by general formula (I): ##STR1## (wherein R is a C2 -C6 alkyl group, a C2 -C6 alkenyl group, a C2 -C6 alkynyl group or the like, B0 to B | 01/21/2003 |
| 6458966 | Dye intermediate and method Various classes of dyes are provided having acid, ester or amide groups for covalent linking to biomolecules. The dyes may be prepared by use of a compound of formula (I) ##STR1## where R1 comprises a linker and a carboxy including acid, salt, ... | 10/01/2002 |
| 6399779 | Aryl borates The invention provides a process for covalently coupling organic compounds which comprises reacting an aromatic ring compound having a halogen substituent or other substituent which undergoes substitution with a diboronic acid ester at a coupling position... | 06/04/2002 |
| 6384271 | Sulfonation, sulfation and sulfamation A process that can be used for sulfonating, sulfating, or sulfamating an organic compound is disclosed. The process can comprise, consist essentially of, or consist of, contacting the organic compound with sulfur trioxide under a condition sufficient to e... | 05/07/2002 |
| 6326516 | Acetylenic ଲ-sulfonamido and phosphinic acid amide hydroxamic acid TACE inhibitors The invention discloses hydroxamide acids of the formula: ##STR1## which are useful in treating disease conditions mediated by TNF-, such as rheumatoid arthritis, osteoarthritis, sepsis, AIDS, ulcerative colitis, multiple sclerosis, Crohn's disease... | 12/04/2001 |
| 6313336 | Synthesis of an overbased detergent from sludge coming from the production of high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate A process for using sludge formed in the preparation of a high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate, wherein the sludge is treated with an acidic reactant to convert large particles of the alkaline earth metal salt in the ... | 11/06/2001 |
| 6303812 | Isolation of products from selective dehalogenation of haloaromatics Disclosed is a method of isolating the aromatic product formed when a substrate having the general formula ##STR1## is dehalogenated, forming a product mixture of copper salts and aromatic product, where X is the halogen removed from the substrate to form... | 10/16/2001 |
| 6248883 | Methods of purifying lithium salts Provided are methods of purification of an organic lithium salt comprising the steps of: (a) dissolving an impure organic lithium salt in a solution comprising an organic complexing solvent; (b) crystallizing from said solution a solid solvate complex com... | 06/19/2001 |
| 6239309 | Synthesis of an overbased detergent from sludge coming from the production high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate A process for using sludge formed in the preparation of a high BN overbased alkylaryl sulfonate or overbased sulfurized alkylphenate, wherein the sludge is treated with an acidic reactant to convert large particles of the alkaline earth metal salt in the ... | 05/29/2001 |
| 6177473 | Benzamidine derivatives substituted by cyclic amino acid and cyclic hydroxy acid derivatives and their use as anti-coagulants This invention is directed to benzamidine derivatives substituted by cyclic amino acid and cyclic hydroxy acid derivatives which are useful as anti-coagulants. This invention is also directed to pharmaceutical compositions containing the compounds of the ... | 01/23/2001 |
| 6172238 | Process for manufacturing 1-[3-cyclopentyl-2(R)-[1(R)-hydroxycarbamoyl)-2-(3,4,4-trimethyl-2,5-dioxo -1-imidazolidinyl)ethyl]propionyl]piperidine A process manufactures of a compound of formula: ##STR1## and unique intermediates.... | 01/09/2001 |
| 6140302 | Method for producing anionic surfactant granulates A process for the production of anionic surfactant granules comprising the steps of: A) Neutralizing an acidic anionic surfactant with a base in a horizontal thin-layer evaporator or thin-layer dryer; and B) Drying the resulting neutralized anionic surfactant ... | 10/31/2000 |
| 6133215 | Fluorescent whitening agent There is provided a white crystal form of the compound having the formula: ##STR1## whose crystal form is characterised by an X-ray diffraction diagram which is essentially as shown in Table I, II or III. Also provided is a formulation comprising fro... | 10/17/2000 |
| 6118016 | Process for preparing phenoxyphenylsulfonyl halides A process for preparing phenoxyphenylsulfonyl halides, which are useful intermediates for the preparation of matrix metalloproteinase inhibitors.... | 09/12/2000 |
| 6048904 | Branched alkyl-aromatic sulfonic acid dispersants for solublizing asphaltenes in petroleum oils The present invention is an asphaltene dispersant containing an aromatic, a sulfonic acid head, and an alkyl tail containing 16 carbons or more and at least one branch of a methyl or longer alkyl. Preferably, the aromatic is a fused two ring aromatic and ... | 04/11/2000 |
| 5973195 | Surfactants derived from 2-(2-hydroxyphenyl)benzenesulfinate and alkyl-substituted derivatives The present invention relates to compounds having utility as surfactants which are derived from intermediates produced in petroleum biodesulfurization processes. The compounds of the invention include acyloxybiphenylsulfinates, acyloxybiphenylsulfonates, ... | 10/26/1999 |
| 5962730 | Aromatic sulphonyl compounds having an additional thioether, sulphoxide or sulphonyl group Sulfonyl compounds have the formula ##STR1## where n is 0, 1 or 2, Y is vinyl or a radical of the formula C2 H4 Q, where Q is hydroxyl or an alkali-detachable group, E is C3 -C6 -alkylene with or without interru... | 10/05/1999 |
| 5925785 | Secondary and tertiary phosphines and processes for their preparation The invention relates to secondary and tertiary phosphines of the formula ##STR1## in which R is hydrogen, an aryl or benzyl group or a straight-chain or branched alkyl group, n is 1 or 2 and M is potassium or sodium. These phosphines are prepared by reac... | 07/20/1999 |
| 5814110 | Chemical compositions and use as fuel additives Distillate fuel is treated with additives whose structure match the crystal planes of the wax which crystallizes from the fuel to produce crystals below 4000 nanometres in size, suitable additive include novel sulpho-carboxylic materials particularly thei... | 09/29/1998 |
| 5739097 | Process for the production of surfactant granules In the production of granules containing anionic surfactants and having a bulk density above 450 g/l by granulation of a surfactant preparation containing a non-surface-active liquid component, the water demand and hence the energy demand for evaporating ... | 04/14/1998 |
| 5705528 | Farnesyl derivatives and pharmaceutical compositions containing them Novel farnesyl derivatives which are inhibitors of the prenylated protein thyltransferase enzyme, and useful as anti-cancer drugs, have the following formula: ##STR1## wherein R1 represents farnesyl, geranyl or geranyl-geranyl; Z represent... | 01/06/1998 |
| 5672738 | Process for the preparation of 3-(N-aryl-amino)-propyl-2'-sulfatoethyl-sulfonyl compounds Process for the preparation of 3-(N-aryl-amino)-propyl-2'-sulfatoethyl-sulfonyl compounds Compounds of the formula (1) Ar--NH--(CH2)3 --SO2 --(CH2)2 --OSO3 M(1) are prepared by reacting a compound of... | 09/30/1997 |
| 5646327 | Method for preparing hydroxylamines using vinylic compounds without base neutralization and reaction mixture produced thereby Substituted hydroxylamines useful in photographic processing solution can be prepared by reacting a hydroxylamine with a vinylic compound having an electron withdrawing substituent in a suitable solvent, in the absence of a neutralizing base. The resultin... | 07/08/1997 |
| 5596128 | Sulfonating agent and sulfonation process A sulfonating agent represented by the general formula ##STR1## wherein the groups R1 are the same or different and are each a lower alkyl group having 1 to 3 carbon atoms, n is an integer of 3, 4 or 5, m is an integer of 1 or 2, and n+mà£... | 01/21/1997 |
| 5585516 | Two tail-two head and two tail-one head surfactants The present invention relates to novel two tail-two head and two tail-one head surfactants. In one embodiment, the present invention comprises a novel composition of matter having the general formula: ##STR1## wherein R1 and R2 may be the same or dif... | 12/17/1996 |
