A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 5952386 | Dihalopropene compounds, insecticides containing them as active ingredients, and intermediates for their production The present invention provides dihalopropene compounds of the general formula: ##STR1## wherein R1 is C1 -C10 alkyl or the like; L is C(.dbd.O)NH or the like; R2, R3 and R4 are indepen... | 09/14/1999 |
| 5777007 | Brominated p-cumylphenol flame-retardants for resin composition Brominated p-cumylphenol represented by the formula (1) described hereinafter and derivative thereof represented by the formula (2) described hereinabove, process for the preparation of the same, and flame-retardant resin compositions containing the same,... | 07/07/1998 |
| 5530030 | Nematicides against pine wood nematodes Highly effective nematicides against pine wood nematodes containing chlorinated hydroxystilbene or salts thereof (preferably, 3',4'-Dichloro-3-hydroxystilbene and 3',5'-dichloro-3-hydroxystilbene) which are prepared by synthesizing chlorinated methoxystil... | 06/25/1996 |
| 5420361 | Formulation of and dehydration of hydroxylated diphenyl acetylenes The production of cis-dihydrodiol compounds of the formula ##STR1## where n is 0 or 1 (preferably 0) by the microbial oxidation of a diphenylaceylene compound of the formula ##STR2## using a mutant of a Pseudomonas bacteria at 25° to 35° C. ... | 05/30/1995 |
| 5258554 | Process for monobenzylation of p-substituted phenols The invention relates to a process for the preparation of p-substituted o-benzylphenols by reaction of p-substituted phenols with optionally substituted benzyl halides, benzyl esters, benzyl alcohols or benzyl ethers in the presence of an acid catalyst at... | 11/02/1993 |
| 5110983 | Hexafluoroisopropyl-containing monomers, process for their preparation and their use Compounds of the formula I ##STR1## can be prepared by various process steps from 2-(4-methylphenyl)-2-hexafluoroisopropanol. Hexafluoroisopropyl-containing monomers are important starting compounds in the preparation of linear polycarboxamides and p... | 05/05/1992 |
| 5072017 | Process for the preparation of P-substituted O-benzylphenols Para-substituted o-benzylphenols are prepared by reacting p-substituted phenols with benzylating agents in the presence of zeolites of the faujasite type at elevated temperature.... | 12/10/1991 |
| 5047420 | 1,3-diaryl cyclopentanes and derivatives thereof as PAF antagonists Novel 1,3-diaryl cyclopentanes of the following general formula were prepared. ##STR1## These compounds were found to have potent and specific PAF (Platelet Activating Factor) antagonistic activities and as such useful in the treatment or amelio... | 09/10/1991 |
| 4871470 | Cyclohexane derivatives Cyclohexane derivatives of formula I ##STR1## wherein R is an alkyl group which has 1-12 C atoms and in which one or two non-adjacent CH2 groups can also be replaced by O, --CO--O-- or --OCO--, A1 and A2 each independ... | 10/03/1989 |
| 4772755 | 1,2-1,4 addition reaction sequence leading to disubstituted acelylenes A method for synthesizing a tri-substituted phenyl compound (I) by using a 1,2-addition followed by a 1,4-addition to 1,4-benzoquinone (II): ##STR1## wherein X is hydroxy, alkoxy or alkanoyloxy, Ar1 is an organic group and R is an unsubsti... | 09/20/1988 |
| 4705901 | Brominated hydroxyaromatic compounds Prepare novel ring-brominated derivatives of tetraalkyl dihydroxy diaromatic compounds, e.g. 4,4'-(1,2-ethanediyl)bis(3,5-dibromo-2,6-dimethyl-phenol).... | 11/10/1987 |
| 4686235 | Substituted cinnamyl-2,3-dihydrobenzofuran and analogs useful as anti-inflammatory agents Substituted cinnamyl-2,3-dihydrobenzofurans and analogs were prepared from the nucleophlic substitution of a cinnamylhalide with a 2,3-dihydrobenzofuran anion or an analog thereof. These compounds were found to be potent topical anti-inflammatory agents.... | 08/11/1987 |
| 4532367 | Antimicrobially effective derivatives of phenol and methods for their production A method is provided for the production of antimicrobially effective phenol derivatives according to general Formula I in which R1 is bromine or chlorine, R2 is methyl or ethyl, R3 is hydrogen or sodium, potassium, ammoniu... | 07/30/1985 |
| 4510338 | Resorcin derivatives, process for their preparation and pharmaceutical compositions containing them The invention relates to new resorcin derivatives of the formula (I) ##STR1## wherein R1 and R2 independently represent hydrogen, halogen, trihalomethyl, alkyl having from one to 3 carbon atoms or alkoxy having from one to 3 car... | 04/09/1985 |
| 4508926 | 4-Hydroxy-benzhydrols, process for their preparation and pharmaceutical compositions containing them The invention relates to new 4-hydroxy-benzhydrols of the formula (I) ##STR1## wherein R1 and R2 independently represent hydrogen, halogen, trihalomethyl, alkyl having from one to 4 carbon atoms or alkoxy having from one to 4 ca... | 04/02/1985 |
| 4410737 | Preparation of meta-chlorophenols by selective hydrodechlorination of polychlorophenols Meta-chlorophenols useful as intermediates in various organic syntheses are prepared by selectively catalytically hydrodechlorinating a polychlorophenol in liquid phase in an acid solvent medium which is at least partially aqueous and which comprises hali... | 10/18/1983 |
| 4410738 | Preparation of meta-chlorophenols by selective hydrodechlorination of polychlorophenols Meta-chlorophenols useful as intermediates in various organic syntheses are prepared by selectively catalytically hydrodechlorinating a polychlorophenol in liquid phase in an acid solvent medium which is at least partially aqueous, in the presence of a Gr... | 10/18/1983 |
| 4410739 | Preparation of meta-chlorophenols by selective hydrodechlorination of polychlorophenols Meta-chlorophenols useful as intermediates in various organic syntheses are prepared by selectively catalytically hydrodechlorinating a polychlorophenol in liquid organic phase and in the presence of a nobel metal catalyst and a Lewis acid, said polychlor... | 10/18/1983 |
| 4391827 | 3-(2-Hydroxy-4-(substituted)phenyl)-cycloalkanone and cycloalkanol analgesic agents and intermediates therefor Cycloalkanones, cycloalkanols and unsaturated analogs thereof, each of which has at the 3-position a 2-hydroxy-4-substituted phenyl group wherein the 4-position substituent is alkyl which can have an oxygen atom as part of the chain, or aralkyl which can ... | 07/05/1983 |
| 4366330 | Intermediates useful in the production of liquid crystal compounds An intermediate useful in the production of liquid crystal esters has a molecular structure ##STR1## in which of the groups R' and R" one is fluorine and the other is hydrogen, and in which R is an alkyl group having more than one carbon atom, a... | 12/28/1982 |
| 4336270 | O-benzylphenols Novel o-benzylphenols as well as a process for their production, a method for combating harmful microorganisms and compositions comprising said o-benzylphenols are provided.... | 06/22/1982 |
| 4307024 | 1,1,1-Triaryl-2,2,2-trifluoroethanes and process for their synthesis New 1,1,1-triaryl-2,2,2-trifluoroethanes in which the aryl radicals carry one or more substitutents have been prepared by condensation of trifluoroacetophenones with substituted phenyl compounds in the presence of catalytic quantities of trifluoromethylsu... | 12/22/1981 |
| 4212762 | Liquid crystal materials having a formula containing a diphenylethane nucleus Novel mesomorphic substances, constituting, in certain temperature ranges, nematic or smectic liquid crystals which are compounds of the formula: ##STR1## wherein R1 is an alkyl or alkoxy group containing 1 to 10 atoms of carbon; R2 | 07/15/1980 |
| 4087554 | Method for improving growth rate and feed efficiency The disclosure relates to a method for use in the practice of animal husbandry which comprises the oral administration to non-ruminant animals of an iodonium salt. Solid or liquid compositions of said iodonium salts for use in the said method are also dis... | 05/02/1978 |
| 4081449 | Heterocyclic esters of alkylphenyl benzopyranopyridines Heterocyclic esters of alkylphenyl benzopyranopyridines represented by the formula ##STR1## wherein R1 is hydrogen, loweralkyl, loweralkanoyl, cycloalkylloweralkyl, cycloalkylloweralkanoyl, loweralkenyl, loweralkynyl, haloloweralkenyl... | 03/28/1978 |
| 4049653 | Heterocyclic esters of alkylphenyl benzopyrans Heterocyclic esters of benzopyrans represented by the formula ##STR1## wherein n is 1 or 2; each R and R1 are the same or different members of the group consisting of hydrogen or loweralkyl; R2 is loweralkyl; R3 is ... | 09/20/1977 |
| 4038327 | 3,5-Disubstituted-4-hydroxybenzyl derivative A new series of compounds having the following formula is disclosed: ##STR1## wherein R1 and R2 are independently aralkyl or alkyl with the proviso that the aralkyl group contains no branching on the carbon alpha to the phenylen... | 07/26/1977 |
| 4007207 | Alkyl substituted-4-oxo-cyclopenta benzopyrans 1,2,3,4-Tetrahydrocyclopenta[c][1]benzopyrans of the formulae ##STR1## wherein R is a lower alkyl group having 1 to 5 carbons, R1 is hydrogen or a lower alkyl group having 1 to 5 carbons, R2 is a lower alkyl group and R3 | 02/08/1977 |
| 3984482 | 2-(Dihalobenzyl)-6-nitro-4-t-butylphenol and preparation thereof The specification describes novel 2-(4'-halobenzyl) phenols of the formula: ##SPC1## In which R1, R2 and R3, which may be the same or different, re hydrogen or a lower alkyl group, provided that only one of R1 , ... | 10/05/1976 |
| 3976491 | Diazo compositions and diazotype materials prepared from same Light-sensitive diazo compositions which comprise a resorcinol substituted in the 2-position with an alkyl group and in the 4-position with an aralkyl group as the yellow azo coupling component, and diazotype materials prepared therefrom.... | 08/24/1976 |
| 3974084 | Process for the manufacture of anhydrous alkali metal arylate solutions and separation of the arylates from alkali metal sulfite Anhydrous organic solutions of alkali metal arylates are prepared by dissolving an alkali metal arylate or reacting an arylhydroxy compound with alkali metal hydroxide in a ketone immiscible or incompletely miscible with water at room temperature and remo... | 08/10/1976 |
| 3957832 | Epoxy resins prepared from polyhydroxy-containing compounds New polyhydroxy-containing compounds represented by the formula ##SPC1## Wherein A is --O-- or an alkylidene group having 1 to 4 carbon atoms, Y1, Y2, Y3 and Y4 are independently selected from --OH or ##SPC... | 05/18/1976 |
| 3931217 | 2,3-Dihydro-5-alkoxy-5-phenyl-5H-imidazo[2,1-a]isoindoles Novel 2[2-(1,3-diazacycloalk-2-enyl)]benzophenone compounds and novel 1,3-diazacycloalkenyl[2,1-a]isoindole compounds having useful analgesic and psychostimulant properties are prepared inter alia by condensation of o-benzoylbenzaldehydes with aliphatic d... | 01/06/1976 |
| 3931340 | Chlorination of aromatic compounds Nuclear chlorination of aromatic compounds having an electron donating group is effected by contacting said aromatic compound with copper (II) chloride in an aqeuous hydrochloric acid solution and adding chlorine to the reaction system to maintain the mol... | 01/06/1976 |