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| Number | Title | Issue Date |
| 4236022 | Esters of 1,2-dihydroxyalkanes as cosmetic emulsifiers and cosmetic emulsions containing them Mono- and dicarboxylic acid esters of 1,2-dihydroxyalkanes of the formulae ##STR1## wherein A represents a bivalent radical selected from the group consisting of alkylene having from 1 to 16 carbon atoms, hydroxyalkylene having from 1 to 8 carbon ato... | 11/25/1980 |
| 4229263 | Recovery of methyl heptafluorobutyrate from methanol by distillation Esters are treated with alkali metal borohydride to produce alcohols. Substantially constant boiling admixtures of: methanol/methyl heptafluorobutyrate, water/1,1-dihydroheptafluorobutanol, and water/methyl heptafluorobutyrate are described.... | 10/21/1980 |
| 4226783 | -Chlorination process A process for -chlorination of side chains of electronegatively substituted aromatic compounds with dichlorine monoxide.... | 10/07/1980 |
| 4216338 | Synthesis of fluorocarbon esters A method for synthesizing perfluoroesters by effecting a reaction at subambient temperatures between a perfluorocarbon acid, or its derivatives, and a halogen fluorosulfate to produce an intermediate perfluoroacyl hypohalite which in turn is reacted with ... | 08/05/1980 |
| 4215044 | Synthesis of -fluorocarbonyl compounds Process for preparing an organic compound of the formula R2 R2 CFC(O)R3, which process comprises contacting and reacting in a reaction mixture which includes an inert solvent, at a temperature of -40° C. to -100° C., ROF... | 07/29/1980 |
| 4183948 | Halogenated esters A compound of formula: ##STR1## wherein one of R1 and R2 represents a group of formula: where W represents an atom of hydrogen, fluorine or chlorine and m has the value one or two, and the other of R1 and R2 rep... | 01/15/1980 |
| 4173654 | Novel fluorohydrocarbons Novel fluorohydrocarbons include a fluoroalkyl unit terminating in a tertiary carbon atom which is directly linked to an aliphatic moiety of the compound. The compounds contain at least 9 carbon atoms and usually no more than 13 carbon atoms. The compound... | 11/06/1979 |
| 4163115 | Preparation of esters of poly-(tetramethylene ether) glycol Esters of poly(tetramethylene ether) glycol are prepared by polymerizing tetrahydrofuran in a reaction mixture which contains, in addition to the tetrahydrofuran, and acylium ion precursor such as acetic anhydride, a polymeric catalyst which contains sulf... | 07/31/1979 |
| 4160777 | Fluorochemical compound useful for textile treatment Textiles, particularly carpets, are endowed with oil and water repellency and soil resistance by treatment thereof with certain detergent-compatible fluorochemmical compounds which can also be used in conjunction with anionic or nonionic detergents to pro... | 07/10/1979 |
| 4159991 | Acyloxy-N,N'-diacylmalonamides and methods for their preparation -Acyloxy-N,N'-diacylmalonamides of the formula ##STR1## wherein R1, R2, R3, and R4 are the same or different and are hydrogen, straight chain or branched alkyl radicals having from one to eleven carb... | 07/03/1979 |
| 4138497 | Indanpentol derivatives for treating hypertension Compounds are provided having the structure ##STR1## wherein n is 1, 2 or 3, m is 0, 1 or 2, R1 R2, R3, R4 and R5 may be the same or different and can be hydrogen, lower alkyl, halo-lower alkyl, ... | 02/06/1979 |
| 4113863 | Prostenoic acid derivatives Prostenoic acid derivatives of the general formula ##STR1## wherein R1 is H or alkyl of 1-4 carbon atoms; R2 is alkyl of 5 - 9 carbon atoms, phenoxymethyl or phenoxymethyl substituted by up to 3 of F, Cl, Br, CH3, CF3... | 09/12/1978 |
| 4113435 | Cryogenically controlled direct fluorination apparatus An apparatus and process useful in direct fluorination of a variety of compositions, as well as the fluorinated compositions themselves. The apparatus comprises a cryogenic zone reactor, such as a packed column reactor, divided into a plurality of indepen... | 09/12/1978 |
| 4098806 | Process for functionalizing perfluorohalogenoalkanes The present invention relates to the process of preparing perfluoro functional compounds from a perfluorohalogenoalkane having the general formula: wherein RF is a saturated, unsaturated, straight, or branched chain perfluoroalkyl radical conta... | 07/04/1978 |
| 4097678 | Ɗ9 (11) -5-D-homo-20-keto steroids 3-Hydroxy and 3-acyloxy- Ɗ9(11) -5-D-homo-20-ketopregnenes of the formula ##STR1## wherein R is hydrogen or acyl, R1 is hydrogen or methyl and R2 is methyl or ethyl, are produced by esterifying a... | 06/27/1978 |
| 4085099 | Water-insoluble nitrophenylazophenyl compounds containing a terminal --N--(C2)n --O--CO-- or --CO--O--CH2 --CH2 --C3 F5 group Dyestuffs falling within the formula: ##STR1## in which A represents the residue of a diazotizable amine free from substituents giving rise to an acid dissociation, m is 0 or 1, the benzene nucleus B may be substituted by methyl or methoxy groups, X ... | 04/18/1978 |
| 4059610 | Process for preparing isocyanic acid derivatives Isocyanic acid derivatives are prepared by reacting an organic halogen compound with an alkali cyanate in N,N-disubstituted organic acid amides, N,N-disubstituted sulfonic acid amides, sulfoxides, sulfones or macrocyclic polyethers, at 70° to 200° C, in... | 11/22/1977 |
| 4055603 | Alkinyl terminating groups in biogenetic-like cyclizations to steroids Polyenine compounds are provided having the naturally occurring geometry and a group which in the presence of acid initiates a carbocation cyclization to a steroid or A-nor-steroid structure, particularly the pregnane parent structure. The compounds are f... | 10/25/1977 |
| 4045498 | Method of hydroxylation A process for the production of alcohols comprises hydroxylating a saturated hydrocarbon at between about 20° C. and about 130° C. with an oxygenated amine. The amine may be a hydroxylated secondary amine or an oxide of a tertiary amine. The reaction me... | 08/30/1977 |
| 4035512 | Aminotetralols Novel aminotetralol compounds of the formula ##STR1## wherein R1 is hydrogen, acyl derived from carboxylic acid, or a hydrocarbon group which may be substituted; --OZ1 is hydroxyl which may be protected; Y is hydrogen, acyl, hyd... | 07/12/1977 |
| 4033971 | Cyclohexane tetrols and derivatives thereof The compounds of the invention have the formula ##STR1## wherein Y is a radical of the formula ##STR2## WHEREIN (CH2) is a straight or branched chain alkyl radical, n is 1-6, m is 0 or 1 and R5.sup.° is hydrogen, alkyl, ar... | 07/05/1977 |
| 4032533 | 3,4-Disubstituted-1,3,4-thiadiazoline-2,5-diones Selected 3,4-disubstituted-1,3,4-thiadiazoline-2,5-diones are prostaglandin mimics or antagonists, and have uses typical of such compounds, such as inhibitors of gastric secretion, labor inducers, bronchodilators, topical antiinflammatory agents, etc.... | 06/28/1977 |
| 4026930 | Azeotropic distillation of 1,1,1,3,3,3-hexafluoroisopropyl trifluoroacetate with fluorotrichloromethane 1,1,1,3,3,3-Hexafluoroisopropyl trifluoroacetate is separated from a crude reaction mixture by adding fluorotrichloromethane to said mixture and subjecting the resulting composition to fractional distillation to fractionally distill an azeotrope consistin... | 05/31/1977 |
| 4012448 | Synthesis of adriamycin and 7,9-epiadriamycin A process for the synthesis of adriamycin and 7,9-epiadriamycin, both active antineoplastic agents, in which 7-deoxydaunomycinone, in either the 9s or racemic (&#b1;) form, is employed as the starting material, the process in one embodiment also being pro... | 03/15/1977 |
| 4001300 | 2,2-Difluoro-16-phenoxy-PGF2 analogs 2,2-Difluoro prostaglandin E, F, Fଲ, A, and B analogs are disclosed with intermediates and with processes for making them. These compounds differ from the prostaglandins in that they have two fluoro atoms at the C-2 posi... | 01/04/1977 |
| 3996232 | 1,5-Disubstituted biguanides Novel 1-aryl and aralkyl 5-substituted biguanide compounds have been prepared. The compounds of this invention possess useful antiulcerogenic properties.... | 12/07/1976 |
| 3990989 | Azeotropic composition containing fluorotrichloromethane and 1,1,1,3,3,3-hexafluoroisopropyl trifluoroacetate An azeotropic composition made up of about 82.5 mol percent fluorotrichloromethane and about 17.5 mol percent 1,1,1,3,3,3-hexafluoroisopropyl trifluoroacetate, said composition boiling at about 22° C at about atmospheric pressure. This composition can ... | 11/09/1976 |
| 3979469 | Polyfluoroalkyl iodides, process for their manufacture, and their use New polyfluoroalkyl iodides of the formula ##EQU1## are provided, wherein Rf represents a fluorinated hydrocarbon radical with 3 to 18 carbon atoms, R1 represents hydrogen or fluorine, R3 and R4 each indepe... | 09/07/1976 |
| 3962293 | 13,14-Dihydro-16-fluoro prostaglandin F1 Prostaglandin-type compounds with one or two fluoro substituents at the C-16 position are disclosed, with processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggrega... | 06/08/1976 |
| 3954888 | Process for the preparation of 2-phenyl-ethanol A process for preparing 2-phenyl-ethanol is provided in which ethylene is reacted with benzene and thallic trifluoroacetate in trifluoroacetic acid as the solvent to give 2-phenyl-ethyl trifluoroacetate which is then converted, in known manner, into 2-phe... | 05/04/1976 |
