Abstract: A polyprenyl composition consisting essentially of a mixture of polyprenyl compounds represented by the following formula ##STR1## wherein A.sub.1 represents a hydroxyl or acetyloxy group, ##STR2## represents a trans-isoprene unit, ##STR3## represents a cis-isoprene unit, and n is an integer of from 11 to 19, said mixture containing substantial amounts of at least three compounds of formula (I) wherein n represents 14, 15 and 16 respectively as essential ingredients in a total amount of at least 70% by weight based on the weight of the mixture; and new compounds derived from the polyprenyl compounds of formula (I). These composition and compounds are useful for the synthesis of mamammalian dolichols.

Abstract: A semicondcutor device and a manufacturing method thereof are disclosed in which higher integration can be achieved without increasing the total manufacturing steps. The semiconductor device includes at least two MOS transistors having the same channel types, the gate electrodes of which are constructed of polycrystal silicon layers which contain an impurity, and a bipolar transistor, the base electrode of which is constructed of a polycrystal silicon layer which contains and impurity. In particular, the respective gate electrodes of the two MOS transistors contain impurities of different conductivity types from one another.

Abstract: A semiconductor device having a CMIS structure for forming a static random access memory is disclosed which device can increase the packing density of the memory and reduce the stand-by power thereof. In this semiconductor device, a first MISFET of a first conductivity type is formed on and a substrate, a second MISFET of a second conductivity type is formed over the first MISFET with a first insulating film therebetween to form a stacked CMIS structure. The second MISFET is made up of a first conductive film, a second insulating film and a second conductive film, with the source, drain and channel regions of the second MISFET being formed in the first conductive film. A first resistive drain region is formed between the channel and drain regions of the first conductive film so that an impurity of the second conductivity type is contained in the first resistive drain region at a lower concentration than in the drain region, or the first resistive drain region is substantially undoped.

Abstract: 11.beta.,17.alpha.,21-Trihydroxy-1,4-pregnadiene-3,20-dione 21-[(E,E)-3,7,11-trimethyl-2,6,10-dodecatrienoate] of the formula ##STR1## an antiinflammatory composition thereof and a method for the production thereof.11.beta.,17.alpha.,21-Trihydroxy-1,4-pregnadiene-3,20-dione 21-[(E,E)-3,7,11-trimethyl-2,6,10-dodecatrienoate] of the present invention exhibits remarkably excellent antiinflammatory action and besides, displays reduced side effects and can be produced in high selectivity and good yield and conveniently.

Abstract: A polyprenyl composition consisting essentially of a mixture of polyprenyl compounds represented by the following formula ##STR1## wherein A.sub.1 represents a hydroxyl or acetyloxy group, ##STR2## represents a trans-isoprene unit ##STR3## represents a cis-isoprene unit, and n is an integer of from 11 to 19, said mixture containing substantial amounts of at least three compounds of formula (I) wherein n represents 14, 15 and 16 respectively as essential ingredients in a total amount of at least 70% by weight based on the weight of the mixture; and new compounds derived from the polyprenyl compounds of formula (I). These composition and compounds are useful for the synthesis of mammalian dolichols.

Abstract: A pullulan derivative having one or more active sites resulting from introduction of sulfuric acid, phosphoric acid, a sulfonic acid or a carboxylic acid, wherein one hydrogen atom of the group of the formula ##STR1## occurring at said active sites is partly substituted by a group of the general formula ##STR2## wherein L.sup.1 and L.sup.2 each independently is ammine or a unidentate ligand amine or combinedly represent a bidentate ligand amine and Y is an anionic ligand, and/or two hydrogen atoms of the group ##STR3## or of two ##STR4## groups bound to one and the same carbon atom or to two neighboring carbon atoms as occurring at said active sites are, each independently, partly substituted by a group of the general formula ##STR5## wherein L.sup.1 and L.sup.2 are as defined above, and a pharmacologically acceptable salt thereof.The above compound has anticancer activity and is useful as anticancer agents.

Abstract: A polyprenyl composition consisting essentially of a mixture of polyprenyl compounds represented by the following formula ##STR1## wherein A.sub.1 represents a hydroxyl or acetyloxy group, ##STR2## represents a trans-isoprene unit, ##STR3## represents a cis-isoprene unit, and n is an integer of from 11 to 19, said mixture containing substantial amounts of at least three compounds of formula (I) wherein n represents 14, 15 and 16 respectively as essential ingredients in a total amount of at least 70% by weight based on the weight of the mixture; and new compounds derived from the polyprenyl compounds of formula (I). These composition and compounds are useful for the synthesis of mammalian dolichols.

Abstract: A thermoplastic polymer composition containing (a) a polyester or polyamide thermoplastic polymer and (b) a block graft copolymer which comprises (i) as the backbone portion at least one of a block copolymer or a hydrogenated block copolymer containing blocks of a styrene-type polymer and blocks of a butadiene-type polymer, and (ii) as the graft portion a radical disintegrative polymer, said block graft copolymer having been chemically modified with molecular units containing a functional group which will combine or interact with said thermoplastic polymer a). The thermoplastic polymer composition is superior in flexibility, resistance to chemicals and oil, impact resistance, moldability and elasticity.

Abstract: By joint employment with a package air conditioner presently widely used or various types of stoves, room air can largely circulate without being stagnant near floor or ceiling then present little temperature variation among different parts of a room with pleasant and highly healthy environment zone created and energy saving realized.

Abstract: This invention relates to a radiation-sensitive composition having resistance to oxygen reactive-ion etching and a process for forming a pattern by using the same.The radiation-sensitive composition of this invention comprises a mixture of cis-(1,3,5,7-tetrahydroxy)-1,3,5,7-tetraphenylcyclotetrasiloxane and a polysilsesquioxane, said mixture containing 5 to 100 wt. % of cis-(1,3,5,7-tetrahydroxy)-1,3,5,7-tetraphenylcyclotetrasiloxane, and a resist containing a phenolic resin soluble in an aqueous alkali solution.

Abstract: A method of manufacturing a semiconductor device. An insulation film having an opening is formed on a semiconductor substrate. The opening is filled with an electrically conductive material so as to substantially flatten the top surface of the opening filled with an electrically conductive material, an intermediate layer of an electrically conductive material having a greater allowable current density than that of a wiring layer to be formed thereon is formed so as to cover at least their surface of the electrically condictive material deposited in the opening. Subsequently, the wiring layer is formed so as to extend from the surface of the intermediate layer onto the surface of the insulation film. A semiconductor device incorporating the wiring layer having an extremely high reliability can be easily realized.

Abstract: Novel chroman compounds which have excellent antioxidant activity and/or analgesic activity or serve as precursors for such active compounds are provided. There are also provided uses of these active compounds as an antioxidant and/or analgesic.

Abstract: Novel 3,4-dihydrobenzopyran compounds of the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each hydrogen or nicotinoyl group and at least one of them is nicotinoyl group, m is an integer of 0, 1 or 2, and n is an integer of 0 or 1, which is useful for prophylaxis and treatment of hyperlipemia and the compounds wherein R.sup.1 and R.sup.3 being nicotinoyl group and n is 0 being also effective for prophylaxis and treatment of hepatic diseases, and pharmaceutical composition containing said compounds as an active ingredient.

Abstract: Polyprenols or esters thereof, which are similar in the trans and cis configurations to dolichol, or mixtures thereof are obtained from the leaves of plants belonging to the genus Pinus L. of the family Pinaceae by extraction, if necessary followed by hydrolysis, esterification or transesterification or a combination thereof. These polyprenyl compounds and mixtures thereof are useful as favorable starting materials for the synthesis of dolichol.

Abstract: Novel trimethylcyclohexenyl compounds of the 1,3,3-trimethyl-1-cyclohexene type having a 3-hydroxy-3-lower alkylpropionyl group at the 6-position of the cyclohexene are provided. These trimethylcyclohexenyl compounds have a floral note reminiscent of a variety of odors. There are also provided aroma compositions containing these compounds.

Abstract: Novel polyprenyl compounds have the general formula: ##STR1## represents a cis-isoprene unit, n is an integer of 11-19, Z.sup.1 is --CH.sub.2 OH or a functional precursor thereof, and either one of R.sup.1 and R.sup.2 is a hydrogen atom and the other is --S(O).sub.m R.sup.3 in which m is an integer of 0 (zero), 1 or 2 and R.sup.3 is a phenyl, naphthyl, pyridyl or thiazolinyl group or such group substituted with at least one lower alkyl and/or halogen substituent. The topic novel polyprenyl compounds can be synthesized from derivatives of the polyprenol which is obtainable from leaves of Ginkgo biloba or Cedrus deodara, among others, by extraction, if necessary followed by hydrolytic treatment. The novel polyprenyl compounds can be converted to mammalian dolichols or precursors thereof by reductive elimination of the --S(O).sub.m R.sup.3 group.

Abstract: There are provided polyprenyl compounds of the formula ##STR1## wherein ##STR2## represent a trans-isoprene unit and a cis-isoprene unit, respectively, n is an integer of 11-19, Z.sup.1 and Z.sup.2 combinedly represent .dbd.O, .dbd.CH--COOH,.dbd.CH--COOR.sup.1, .dbd.CH--CN, .dbd.C(CN)COOR.sup.2, .dbd.CH--CO--NH.sub.2, .dbd.CH--CO--N(R.sup.3) (R.sup.4), .dbd.CH--CO--NHR.sup.5, .dbd.CH--CH.sub.2 --N(R.sup.3) (R.sup.4), .dbd.CH--CH.sub.2 --NHR.sup.5 or .dbd.CH--CHO or Z.sup.1 is a hydrogen atom and Z.sup.2 is --CH.sub.2 COOH, --CH.sub.2 COOR.sup.6, --CH(CN)COOR.sup.2, --CH.sub.2 CN, --CH.sub.2 --CO--NH.sub.2, --CH.dbd.CH--N(R.sup.3) (R.sup.4) or --CH.sub.2 --CH.dbd.N--R.sup.5, R.sup.1, R.sup.2 and R.sup.6 each being a lower alkyl group, R.sup.3 and R.sup.4 each independently being a lower-alkyl, cycloalkyl, aryl or aralkyl group or R.sup.3 and R.sup.4 combinedly representing an alkylene group containing 2-5 carbon atoms, and R.sup.5 being a lower-alkyl, cycloalkyl, aryl or aralkyl group.

Abstract: An electrophotographic copying machine including a cleaning device for cleaning at least a tip of a separation claw separating a copied paper from a photoreceptor. The separation claw is pivotally moved between a first position separating the copied paper and a second position of cleaning itself by the cleaning device. At least one solenoid is provided for pivotally moving the separation claw between the first position and the second position.

Abstract: An electrophotographic copying machine comprises a cleaning device for cleaning at least the tip of a separation claw used for separating a copy paper from a photoreceptor. The separation claw is pivotably moved between a first position of separating the copy paper and a second position cleaning by the cleaning device. The cleaning device may also be operated to clean a transport device for transporting the copy paper toward a subsequent portion of the apparatus, such as a fixing device.

Abstract: A cooling module for integrated circuit chips comprising a plurality of integrated circuit chips mounted on a wiring substrate, cooling members respectively provided for integrated circuit chips, each of the cooling members having therein space for circulating the coolant, and flexible pipes connected to respective cooling members, the coolant being caused to flow into or out of said space of said cooling member through the flexible pipes in order to remove heat from the integrated circuit chip.