Mono- and di-saccharidyl derivatives that are linked via a bridge member to a cephalin derivative, of the formula I, and processes for their manufacture are described. (I) In the formula, R1 represents (a) aldohexosyl, (b) D-aldohexosyl that is glycosidically linked in the 4- or the 6-position to D-aldohexosyl, (c) aldopentosyl, (d) 6-deoxyaldohexosyl or (e) 2-acetylamino-2-deoxy-D-al...

PURPOSE:To obtain a liquid crystal lens having variable focal length together with a light quantity adjusting mechanism by providing a mechanism for adjusting the focal length variably simultaneously with a mechanism for adjusting the quantity of light. CONSTITUTION:A dichroic dye 9 is used. Particularly, anthraquinone dye is preferred because of its superior stability such as light fastenss. A ne...

A heat densifiable composition comprised essentially of: A) a chemically derived densifiably reactive spinel, b) one or more zirconium oxide phases, c) one or more zirconium oxide phase-stabilizing agents, and/or d) refractory oxides, carbides, or nitrides as stress-absorbing property modifiers; wherein the densifiable reactive spine is derived by decomposition of a precursor produced by the ch...

PURPOSE:To shorten the time from the time point at which a vehicle body vertically oscillates to the time point at which the vehicle body returns to its neutral vehicle height level, by decreasing the damping force of a shock absorber until the midway of return of the vehicle body to its neutral vehicle height level, and by increasing the damping force after the midway of the return. CONSTITUTION:...

PURPOSE:To obtain an AGC voltage amplifying circuit used for the double side- band and the single side-band, by cascading two complementary emitter follower transistors through an impedance and by connecting a capacity to the output. CONSTITUTION:In the radio receiver for a double side-band DSB and a single side-band SSB, a switch S2 of an AGC voltage amplifying circuit 7 is switched while interlo...

PURPOSE:A beta-lactam compound of formula I or II (R<1> is H, hydroxy, alkyl; R<2> is alkyl; R<3> is H, phenyl, cyano, alkoxy, carbonyl, phenyl, alkyl; R<4> is Ha, alkyl, phenyl or R<3> and R<4> incorporate together with an adjacent carbon atom to form a 4-6 membered aliphatic ring; where both of R<3> and R<4> are not H simultaneously). EXAMPLE:3-[(R)-2-[(3S, 4R)-3((R)-1-t-Butyldimethylsilyloxyeth...

1,4-Dihydropyridine derivatives of the formula:- wherein R is an aryl or heteroaryl group; R<1> and R<2> are each independently C1-C4 alkyl optionally substituted by C3-C7 cycloalkyl, aryl, CF3, C2-C4 alkanoyl, halo, hydroxy, cyano, C1-C4 alkoxy, C2-C4 alkanoyloxy or NR<3>R<4> where R<3> and R<4> are each independently H, C1-C4 alkyl, aryl-(C1-C4 alkyl) or together with the nitrogen atom to...

Azole compounds of the formula where R<1> is a group of the formula where R<3>, X<1>, X<2>, Y<1> and Y<2> are hydrogen, halogen or alkyl, n is an integer from 1 to 3, W >/= CH or >/= N, R<2> is tert.-butyl, 5-methyl-1,3-dioxan-5-yl, optionally substituted 1-methylcyclohexyl or optionally substituted 2-methyltetrahydropyran- 2-yl or the group and Z is the group >C=O, >C...

Herbicidally active 5-acylamido-1-aryl-pyrazoles of the formula in which R1 represents hydrogen, halogen or nitro, R2 represents hydrogen or alkyl, X represents oxygen or sulphur, Y represents oxygen, sulphur, a sulphinyl group or a sulphonyl group, A represents a straight-chain or branched, optionally substituted alkylene bridge, Ar1 represents in each case optionally substituted aryl o...

NEW MATERIAL:A pyridine of formula I [X is halogen, trifluoromethyl, nitro; Y is H, amino which may substituted with halogen, phenyl which may be substituted, pyridyl which may be substituted; Z is carbonyl thiocarbonyl, formula II, formula III (Q, Q2 are O, S, -NH-; R1, R2 are H, alkyl); n is integer of 0-2]. EXAMPLE:3-[2-(2,4-Dichloro-alpha-methylenebenzyl)-1,3-dioxolan-2-yl-]p yridine. USE:An a...

PURPOSE:A 5-lipoxygenase inhibitor useful as a remedy for bronchial asthma, allergic diseases, etc., showing improved inhibitory action on 5-lipoxygenase, comprising a specific compound of vitamin E derivative or its salt as an active ingredient. CONSTITUTION:A compound shown by formula I [R<1> is H or nicotinoyl; R<2> is OH, nicotinoyloxy, guanidinocarbonyl or group shown by formula II (n is 1-3 ...

PURPOSE:To titled injection for improving utility in organism or polyprenyl alcohol as a preventive and remedy for immunological function deficiency disease, obtained by blending polyprenyl alcohol with lecithin. CONSTITUTION:A polyprenyl alcohol shown by formula I (n=5-7 integer) is blended with lecithin. A blending ratio is preferably 0.01-10wt% compound shown by formula I and 0.01-10wt% lecithi...

PURPOSE:To a multi-layer suppository having improved releasability of medicinal component, consisting of a tip and a base parts of suppository comprising mutually different fat and oil and water-soluble bases wherein a hydrophilic medicinal component is added to the fat and oil base and a lipophilic medicinal component is added to the water-soluble base. CONSTITUTION:A tip and a base parts of supp...

PURPOSE:To multi-layer suppository which is readily inserted into the anus, dose not make fingers dirty during insertion and yet has improved releasability of medicinal component, obtained by using bases having different melting points for a tip part and a base part of suppository and further blending only the tip part with a medicinal component. CONSTITUTION:A multi-layer suppository consists of ...

PURPOSE:To shorten automatic focusing time by performing distance measurement when a defocusing quantity is outside of a prescribed range and not performing the distance measurement and stopping a photographing lens after driving the lens at a low speed by a driving quantity obtained by subtracting the time spent for making the latest distance measurement from the defocusing quantity when the defo...

PURPOSE:To enable high-speed stable recording by high repeated drive frequency, by providing a heating means to the opposite side of an orifice apart from an emitting energy generating means and arranging a fluid resistance body having an opening between both means. CONSTITUTION:Heat energy is supplied to a recording liquid by operating a heating means 105 and an emitting energy generating means 1...