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| Number | Title | Issue Date |
| 8067625 | Fluorosurfactants The present invention relates to fatty acid esters of polyols or sulfonated fatty acid esters or sulfonated fatty acid amides containing at least one group Y, where Y stands for CF3—(CH2)a—O—, SF5—, CF3â... | 11/29/2011 |
| 7700794 | Fluorous tagging compounds and methods of increasing the fluorous nature of compounds A method of increasing the fluorous nature of a compound includes the step of reacting the compound with at least one second compound having the formula: wherein Rf is a fluorous group, Rs is a spacer group, d is 1 or 0, m ... | 04/20/2010 |
| 7154003 | Process for preparing phthaloyl chloride The invention relates to a novel process for preparing phthaloyl chloride (benzene-1,2-dicarbonyl chloride) by reacting phthalic anhydride with phosgene in the presence of a specific N,N-disubstituted formamide as a catalyst. ... | 12/26/2006 |
| 6476243 | Perfluorinated esters of alkanoyl L-carnitine for the preparation of cationic lipids for the intracellular delivery of pharmacologically active compounds Perfluorinated esters of alkanoyl-L-carnitine of the formula (I): ##STR1## are useful as cationic lipids for the intracellular delivery of pharmacologically active compounds.... | 11/05/2002 |
| 5977390 | Fluorinated diester melt additives for thermoplastic polymers Fluorinated diesters useful for imparting repellency of low surface tension fluids to thermoplastic polymers of formulae Rf --O--C(O)--(CH2)n --C(O)--O--R1 ; Rf --O--C(O)--CH2 --CH(R2)--C(... | 11/02/1999 |
| 5869715 | Polyfunctional cationic cytofectins For use in transporting biologically active species into and through membrane barriers, a cationic amine compound is utilized that has the general structure: ##STR1## wherein R4 and R5 are a pair of same or different lipoyl ... | 02/09/1999 |
| 5623082 | Preparation of acyl chlorides Acyl chlorides are prepared by reacting a carboxylic acid or its anhydride with carbonyl chloride in the presence of a carboxamide of the formula I ##STR1## where R1 is a radical of the formula ##STR2## R2 and R3... | 04/22/1997 |
| 5326898 | Substituted phenylethenyl compounds having retinoid-like biological activity Compounds of the formula ##STR1## wherein R1, R2, R3 and R4 independently are hydrogen, lower alkyl of 1 to 6 carbons, halogen or lower alkoxy of 1 to 6 carbons; R5 and R5 ' independen... | 07/05/1994 |
| 5247106 | Fatty acid halide manufacture The invention is concerned with a process for preparing a C6 to C24 fatty acid halide by reacting a fatty acid with a halogenating agent, such as phosphorus trichloride, optionally followed by hydrolysis of unreacted halogenating age... | 09/21/1993 |
| 5245063 | Preparation of carbonyl chlorides A process for preparing carbonyl chlorides of the formula I ##STR1## where R is C1 -C30 -alkyl, C2 -C30 -alkenyl or C2 -C30 -alkynyl, from essentially equimolar amounts of a carboxylic ... | 09/14/1993 |
| 5151535 | Fluorine-containing ,ଲ-bifunctional compounds and process for their production A fluorine-containing ,ω-bifunctional compound having the formula: ##STR1## wherein each of R1 and R2 independently is a hydrogen atom, an alkyl group or an aralkyl group; X is --COOH, --COOR3, --COY or -... | 09/29/1992 |
| 4959187 | Glycolate ester peracid precursors The invention provides novel bleaching compositions comprising peracid precursors with the general structure ##STR1## with R, R', R" and L as defined in the specification. Novel peracids and precursors are also herein disclosed. These peracid precurs... | 09/25/1990 |
| 4933510 | Propanol derivatives Propanol derivatives of formula (I) wherein X is a leaving group; R1 is H or a protecting group; and R2 is H, and R3 is a group--CH2 Y wherein Y is a leaving group; or R2 and R3 together fo... | 06/12/1990 |
| 4791223 | Process for the preparation of 1,1,2,2-tetrahydroperfluoroalkanols and their esters The invention relates to the synthesis of 1,1,2,2-tetrahydroperfluoroalkanols and their esters by oxidizing a 2-(perfluoroalkyl)ethyl iodide using hydrogen peroxide in a carboxylic acid or carboxylic acid ester in the presence of sulphuric acid. In the pr... | 12/13/1988 |
| 4001182 | Flame retardants for polymers Novel compounds having the formula ##EQU1## WHEREIN N IS AN INTEGER, 0 TO 3 AND Z is selected from bromine or ##EQU2## the proportion of the selected Br-- and RCO2 --being such that the weight percent Br in the compound will be in ran... | 01/04/1977 |