Patents in Class 562/46

Matches 1 - 50 out of 63

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Match	Document	Document Title
1	8178648	Diaminium bis-3,5-dicarboxybenzensulfonate and tri-diaminium bis-3,5-dicarboxybenzensulfonate and methods for producing same A composition of matter comprising a diamine salt and sulfoisophthalic acid in a ratio other than one salt to one acid and a process for producing a diamine salt of sulfoisophthalic acid comprising...
2	8088447	Sulfonated polyether ether ketone ketone, film utilizing the same, and method for manufacturing the same A series of crosslinkable sulfonated poly(ether ketone)s containing cycloalkenyl groups were synthesized by aromatic nucleophilic substitution reaction. To decrease the swelling of fuel cell...
3	7662992	Process for preparation of isosulfan blue A process for the preparation of isosulfan blue (Active Pharmaceutical Ingredient) is provided. A process is also provided for preparation of the intermediate, 2-chlorobenzaldehyde-5-sulfonic acid,...
4	6992199	Method for sulphonylating a hydroxylated organic compound The invention concerns a method for sulphonylating a hydroxylated organic compound. The invention concerns in particular aliphatic hydroxylated compounds and more particularly those which comprise...
5	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...
6	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...
7	6214435	Aminium compounds and optical information recording media containing the same A novel aminium compound exhibiting excellent solubility for solvents and high safety in terms of handling and environment is provided.An aminium compound represented by the following formula (1):...
8	6191263	Crystal modification of C.I. Pigment Red 53:2 (γ-phase) The invention relates to a novel crystal modification (γ-modification ) of C.I. Pigment Red 53:2 of the formula (1) ##STR1##having the following characteristic reflections in the X-ray powder ...
9	6046330	Complexes of ultraviolet absorbers and quaternary ammonium compounds which are substantially free from unwanted salts This invention relates to complexes of ultraviolet absorbers with quaternary ammonium compounds which are substantially free from unwanted salts. Such complexes are formed through ionic bonds...
10	6040477	Sulfodechlorinating aromatic compounds Disclosed is method of sulfodechlorinating an aromatic compound. A composition is prepared of (1) an aromatic compound having the general formula ##STR1## Where R is CHO or COOH and n is 1 to 3,...
11	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...
12	5932195	Arylaminomethylenecamphor derivatives Arylaminomethylenecamphor derivatives of the formula (1) ##STR1## where the CC double bond is in the Z or E configuration, and the variables have the following meanings: R1 H, CH3, R2 H, C1 -C6 -...
13	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...
14	5763610	Composition and processes for treating subterranean formations A composition comprising a nitrogen-containing olefinic compound and a process for using the nitrogen-containing olefinic compound to produce a water-soluble polymer which has applications in a...
15	5625089	Aniline derivatives Anilines of the formula ##STR1## where rings A and B may each be benzofused, X is a bridge member, R1 and R2 are each hydrogen, C1 -C4 -alkyl, C1 -C4 -alkoxy, halogen, hydroxysulfonyl, carboxyl, C1...
16	5514710	Photocleavable derivatives of hydroxyprenesulfonic acids The invention describes the synthesis and use of photoactivated (or caged) fluorescent dyes. Upon illumination at less than about 400 nm the caged dyes release highly fluorescent, water soluble...
17	5399692	Ultraviolet absorbing benzophenone sulfonic acid derivatives An ultraviolet radiation absorbing agent for bonding to an ocular lens. The agent has the formula A--NH--Bwherein A is an ultraviolet absorbing compound and B is a specific reactive group or a...
18	5347040	Sensitized onium salts Onium salt capable of generating acid upon exposure to actinic radiation having the following structure: (R1)a (R2)b (R3)c Q+ --A--M+ X- --B--X'-where: Q is S; R1, R2 and R3 are independently...
19	5294735	Semicarbazides and the use thereof for stabilizing polyamide fibre materials and the dyeings produced thereon Novel semicarbazides of the formula ##STR1## wherein R1 and R2, each independently of the other, are hydrogen, C1 -C5 alkyl, C2 -C5 alkenyl, C1 -C5 alkoxy or phenyl, or R1 and R2, together with the...
20	5223387	Color photographic light-sensitive material containing a naphthyl azo dicyano halo phenyl compound A color light-sensitive material comprising a support provided thereon at least one light-sensitive silver salt layer combined with an image forming compound represented by formula (I) ##STR1##...
21	5210257	Preparation of aryl compounds containing carboxyl and sulfonyl groups Novel aryl ethers, containing both a carboxylic acid and a sulfonic acid functionality; and a process for making them are described. These difunctional aryl compounds comprise: i) a carboxylic acid...
22	5153356	Aminobenzophenonesulfonic acids Aminobenzophenones have the formula ##STR1## where the ring A may be benzofused, X1 is hydrogen or hydroxysulfonyl, X2 is hydrogen, hydroxysulfonyl, hydroxysulfonylphenyl, hydroxysulfonylbenzyl or...
23	5132432	Chemically reactive pyrenyloxy sulfonic acid dyes The invention relates to novel fluorescent dyes based on the following pyrenyloxy sulfonic acid structure: ##STR1## wherein at least one of R1, R2, R3, and R4 is --OCH2 C(O)OCH3, --OCH2 CON(O)H,...
24	5128479	Oxidized diphenylheteroalkanes Oxidized diphenylheteroalkanes of the formula I ##STR1## where R1 to R6 and A have the meanings specified in the description, and the preparation thereof are described. The substances are suitable...
25	5072034	Preparation of 4-alkoxy-2-hydroxybenzophenone-5-sulfonic acids 4-alkoxy-2-hydroxybenzophenone-5-sulfonic acids of the general formula I ##STR1## where R1 is C1 -C20 -alkyl which is unsubstituted or substituted by halogen, cyanao, hydroxyl, C1 -C20 -alkoxy, C2...
26	4943655	Salt of 5-acetyl-2-alkylbenzenesulfonic acid Process for preparing 2-alkyl-5-haloacetylbenzenesulfonamide represented by the general formula (1), ##STR1## (wherein R1 is an alkyl group having 1 to 5 carbon atoms; and X is a chlorine atom,...
27	4853158	Process for preparing N,N-dialkylaniline salt of 5-acetyl-2-alkylbenzene sulfonic acid Process for preparing 2-alkyl-5-haloacetylbenzenesulfonamide represented by the general formula (1), ##STR1## (wherein R1 is an alkyl group having 1 to 5 carbon atoms; and X is a chlorine atom,...
28	4843151	Monoazo dyes containing a 4'-methyl-3'-sulfo-5-acylamino-2-azo-1,1'-diphenylsulfone component The monoazo dyes of the formula ##STR1## in which K is the radical of a coupling component of the aminobenzene, alkoxybenzene, hydroxybenzene, pyrazolone, aminopyrazole, pyrimmidine, indole,...
29	4715995	Process for the preparation of alkali metal and alkaline earth salts of benzaldehyde-2,4-disulfonic acid The invention consists in a single-pot process for the preparation of benzaldehyde-2,4-disulfonic acid salts from 2,4-dichlorobenzal chloride, 2,4-dichlorobenzal chloride being reacted with an...
30	4600797	Process for the preparation of nitroaminobenzenes Process for the preparation of a nitroaminobenzene by nitrating an aminobenzene which is protected at the nitrogen wherein the nitration is carried out by the simultaneous combination of nitric...
31	4371547	2-Benzylideneglutaraldehydes useful as disinfectants 2-Benzylideneglutaraldehydes of the formula ##STR1## wherein R1, R2 and R3 independently are hydrogen or a substituent selected from the group consisting of halo, lower-alkyl, phenyl, carboxy,...
32	4328244	Novel (((substituted-phenyl)methyl)amino)benzenesulfonic acids and pharmaceutically-acceptable salts thereof Novel (((substituted-phenyl)methyl)amino)benzenesulfonic acids having antiviral activity are disclosed. Compounds within the scope of the invention have the formula ##STR1## wherein R1 represents...
33	4327031	Anti-solar cosmetic composition An anti-solar cosmetic composition contains as the anti-solar agent a compound of the formula ##STR1## wherein R represents a member selected from the group consisting of hydrogen, a halogen...
34	4304730	4-(2-Oxo-3-bornylidene methyl) benzene sulfonic acid and salts thereof An anti-solar cosmetic composition contains as the anti-solar agent a compound of the formula ##STR1## wherein R represents a member selected from the group consisting of hydrogen, a halogen...
35	4277492	Novel 4-bis((Phenylmethyl)amino)-benzenesulfonic acids possessing antiviral activity Novel 4-bis((phenylmethyl)amino)benzenesulfonic acids and their pharmaceutically-acceptable salts are described. The compounds exhibit antiviral activity. Methods of using the compounds as...
36	4250108	Process for preparing (2-oxo-3-bornylidene/methyl)-benzene sulfonic acids An anti-solar cosmetic composition contains as the anti-solar agent a compound of the formula ##STR1## wherein R represents a member selected from the group consisting of hydrogen, a halogen...
37	4182727	4-[6-(4-Cyanophenoxy)hexyl]-3,5-heptanedione Sulfo- and aminosulfonyl-substituted aryloxyalkyl diketones, useful as anti-viral agents, are prepared, respectively, by reacting a phenoxyalkyl diketone with sulfuric acid; or by reacting a...
38	4165336	(2-Oxo-3-bornylidene methyl)-benzene sulfonates and derivatives thereof An anti-solar cosmetic composition contains as the anti-solar agent a compound of the formula ##STR1## wherein R represents a member selected from the group consisting of hydrogen, a halogen...
39	4154951	Bis-naphthyl-ethylenes A compound of the formula (1) ##STR1## in which X and X' stand for an optionally functionally modified carboxy or sulfo group and wherein the naphthalene nuclei may carry further non- chromophoric...
40	4110367	Sulfonated alkylphenoxy acetones The novel compounds, sulfonated alkylphenoxy acetones. In dyeing nylon textiles, with acid dyes, barre' is reduced by using these novel compounds as a dye leveler.
41	3969364	Aminonaphthoselenazole This invention relates to the new compound 2-aminonaphtho [1,2-d] selenazole of the formula ##SPC1##Compound (I) is prepared by halogenating 1,2,3,4-tetrahydro-1-oxonaphthalene-3-sulphonate,...
42	3933914	Organic dye having fluoroaliphatic substituent Dyes of the formula ##EQU1## WHEREIN Rc is a monovalent chromophoric radical, M is a sulfonyl, carbonyl, or carbonyloxy bridging radical, Rf is a monovalent saturated fluoroaliphatic radical, and R...
43	3931331	Process of preparing α-formyl sulfides and 2-hydrocarbylthioaldoximes therefrom An α-formyl sulfide is prepared by a process which comprises reacting in an aqueous medium an α-haloaldehyde of the formula ##EQU1## wherein R' and R" independently are hydrogen, hydrocarbon r...
44	3899487	Phenylstilbene triazole compounds Phenylstilbene triazole compounds, chloro-substituted on the triazole ring, e.g. ##SPC1## Are useful optical brighteners.
45	3689538	NOVEL CARBOXYLIC ACIDS AND PROCESS FOR SYNTHESIZING CARBOXYLIC ACIDS A process for preparing novel carboxylic acids which process comprising heating aromatic compounds which do not readily undergo electrophylic substitution with 3-carboxyphenyl sulfonyl chloride at...
46	3622632	NOVEL 2-ARYL-1,3-INDANDIONES AND 2-ARYL-2,3-DIHYDROBENZ [f] INDENE-1,3-DIONES Novel 2-aryl-1,3-indandiones and 2-aryl-2,3-dihydrobenz [f] indene-1,3-diones and their use in lowering the blood lipid level in mammals.
47	3514495	PREPARATION OF 4-NITROSTILBENES
48	3819690	ACID NITRO DYESTUFFS,THEIR MANUFACTURE AND USE
49	4064167	DIHYDROCHALCONE OLIGOMERS
50	3712919	AROMATIC SULFONATES AND PROCESS FOR MAKING SAME

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