| Patent Number |
Title Of Patent |
Date Issued |
| 4433117 |
Copolyesteramide and production of the same |
February 21, 1984 |
| A copolymer having high strength and high elastic modulus is produced by copolymerizing (a) a polyamide oligomer prepared from a piperazine compound and an aromatic dicarboxylic acid and (b) a polyalkylene terephthalate monomer or a prepolymer thereof. The copolymer is useful as a ru |
| 4433020 |
Sheet-like material, heat-insulating material derived therefrom and methods of manufacturing sam |
February 21, 1984 |
| A sheet-like material having excellent fire resistance and bending workability comprises 80 to 97% by weight of a non-flammable fibrous substance, and 3 to 20% by weight of a binder consisting essentially of a thermoplastic resin. The fibrous substance is orientated at an angle of 3. |
| 4421684 |
Column for adsorption of blood proteins |
December 20, 1983 |
| A column for adsorption of blood proteins is disclosed which comprises a blood inlet and a blood outlet each with a filter, and a porous material packed between both the filters, which material has a mean pore diameter (D) of 30-3,000 amgstroms with the volume occupied by pores with diam |
| 4420640 |
Method of producing 1,9-nonanedial and 9-hydroxy-7-nonen-1-al |
December 13, 1983 |
| There is disclosed a method of producing 1,9-nonanedial and/or 9-hydroxy-7-nonen-1-al which comprises reacting 2,7-octadien-1-ol with a mixture of hydrogen and carbon monoxide in an organic solvent in the presence of a rhodium catalyst and 30-300 equivalents of a monodentate tertiary |
| 4420395 |
Blood purification device |
December 13, 1983 |
| Treatment of the blood by means of a blood purification device comprising packed, substantially spherical, smooth-surfaced, porous granules having at least 0.1 .mu.mole/m.sup.2 of the silanol group on the surface thereof, a blood inlet and a blood outlet scarcely causes decrease in leuko |
| 4418163 |
Water absorbing composite comprising inorganic powder encapsulated with a crosslinked carboxyl p |
November 29, 1983 |
| A water absorbing composite comprises an inorganic powder, and a highly absorbent resin covering the whole surfaces of the individual particles of the inorganic powder. The resin is obtained by reacting with a basic substance a polymer containing as a monomeric constituent an .alpha. |
| 4418103 |
Filling material and process for manufacturing same |
November 29, 1983 |
| This invention relates to filling material composed of crimped fibers joined together at one end with a high density, and having crimps located in mutually deviating phases, while the other ends of the fibers stay free, and a process for manufacturing such filling material. The filling |
| 4416772 |
Apparatus for concentrating and filtering body cavity fluids |
November 22, 1983 |
| Body cavity fluids, such as ascitic fluid and pleural fluid, are concentrated and filtered to remove bacteria and cancer cells, and the filtered concentrate is returned to the patient intravenously. The concentration and filtration are performed batch-wise, with the concentration bei |
| 4412103 |
Diaphragm for an electro-acoustic transducer |
October 25, 1983 |
| A diaphragm for an electro-acoustic transducer comprising a sheet formed from a mixture of a polymer and mica, where the sheet contains (a) 30 to 95% by weight of a polymer selected from among polyolefins, polyesters, and polyamides and (b) 5 to 70% by weight of mica having a weight-aver |
| 4412022 |
Polyurethane coating compositions prepared from a polymeric diol, an alicyclic diisocyanate, an |
October 25, 1983 |
| Polyurethane compositions comprising a polyurethane synthesized by reacting a diol, a specific alicyclic diisocyanate, a specific alicyclic diamine and hydrazine or isophthalic acid dihydrazide in specific proportions and a solvent therefor have good solution stability and, when applied |
| 4409238 |
Insecticides and insecticidal compositions |
October 11, 1983 |
| Novel insecticidal compositions are comprised of an active isovalerate having the structural formula: ##STR1## wherein Z.sup.1 is hydrogen, ##STR2## Z.sup.2 is either ##STR3## when Z.sup.1 is hydrogen, or hydrogen when Z.sup.1 is either ##STR4## A, when Z.sup.1 is |
| 4409056 |
Curable sealing composition |
October 11, 1983 |
| There is provided a curable sealing composition comprising a low molecular weight rubber, a curing agent and other additives as required and being characterized in that a block copolymer of isoprene and butadiene with a viscosity average molecular weight of 7,000-150,000 is used as the l |
| 4406894 |
Insect pesticidal composition |
September 27, 1983 |
| An insect pesticidal composition comprises O,O-di-C.sub.2-3 alkyl S-benzyl- or S-halobenzyl-phosphorothiolate and a pyrethroid compound having the formula ##STR1## wherein X represents hydrogen atom or ethynyl group as active ingredients. |
| 4402940 |
Method for treating blood plasma employing a hollow fiber membrane |
September 6, 1983 |
| This invention provides a method for treating blood plasma wherein a hollow fiber membrane which comprises at least a skin layer on one surface of the membrane and also a porous layer inside the membrane is employed. The skin layer of the membrane has micropores with average pore size of |
| 4402319 |
Releasable balloon catheter |
September 6, 1983 |
| This invention provides a releasable balloon catheter having a portion cuttable by torsion or a portion cuttable by heating at or near a joint part between the catheter body and the balloon. When the balloon catheter is inserted into a vessel and carried to the desired site by the blood |
| 4397747 |
Apparatus for plasma separation/exchange by double filtration |
August 9, 1983 |
| The invention provides an apparatus for plasma separation/exchange by double-step-membrane filtration, namely separation of blood into plasma and a corpuscular fraction and separation of high-molecular-weight substances (e.g. gamma-globulin) in the plasma from low-molecular-weight su |
| 4390547 |
2,2-Dimethyl-3-(substituted ethyl)cyclopropane carboxylate pesticidal compositions and methods |
June 28, 1983 |
| Novel pesticidal compositions are comprised of a 2,2-dimethyl-3-(substituted ethyl)cyclopropanecarboxylic acid ester as the active ingredient, said cyclopropanecarboxylate having the structural formula: ##STR1## wherein X, Y and Z are the same or different and at least two of sam |
| 4385274 |
Method and device for compensating temperature-dependent characteristic change in ion-sensitive |
May 24, 1983 |
| An electrical circuitry for use in the measurement of the activity of ions in an electrolyte solution carried out by the use of an ion-sensitive field-effect transistor transducer having a gate or ion sensitive layer, a source and a drain. The measurement is carried out by adjusting the |
| 4385094 |
Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof |
May 24, 1983 |
| There is provided a hollow fiber membrane of ethylene-vinyl alcohol copolymer which is produced by a process comprising extruding a spinning solution of an ethylene-vinyl alcohol copolymer in a solvent selected from the group consisting of dimethylsulfoxide, dimethylacetamide, pyrrolidon |
| 4384954 |
Column for adsorption of blood proteins |
May 24, 1983 |
| A column for adsorption of blood proteins is disclosed which comprises a blood inlet and a blood outlet each with a filter, and a porous material packed between both the filters, which material has a mean pore diameter (D) of 30-3,000 angstroms with the volume occupied by pores with diam |
| 4381416 |
Process for producing isoprene |
April 26, 1983 |
| A process for producing isoprene, which comprises decomposing a mixture of at least two compounds represented by the general formula ##STR1## wherein (i) W and Y each represent a hydrogen atom, and X and Z are identical or different and each represent the group OR, (ii) W and X t |
| 4362841 |
Hydrous gel |
December 7, 1982 |
| A hydrous gel consisting essentially of a water-in-oil dispersion cured with a crosslinking agent. The dispersion comprises a rubber component in which water is dispersed in the form of droplets in the presence of a surfactant. The rubber component is based on a liquid polyisoprene rubbe |
| 4362677 |
Method of producing ethylene-vinyl alcohol copolymer hollow fiber membranes |
December 7, 1982 |
| A hollow fiber membrane made of an ethylene-vinyl alcohol copolymer is provided, which is characterized in that, when observed in a dry state with an electron microscope, the hollow fiber membrane has at least one dense, active layer (or skin layer) on the inside and/or outside surface |
| 4359529 |
Microbial process for producing cholanic acid derivatives |
November 16, 1982 |
| A microbial process for producing a cholanic acid derivative of the formula: ##STR1## wherein X is ##STR2## or .dbd.O; and R is hydrogen, an alkali metal or an alkaline earth metal, which comprises cultivating a microbe which is capable of growing in a medium containing c |
| 4356172 |
Erythrocyte preservative and blood products for long-term storage |
October 26, 1982 |
| An erythrocyte preservative is provided which contains an erythrocyte membrane strengthening agent, optionally a purine base and/or purine nucleoside and optionally an anticoagulant. Blood products which contain the above erythrocyte preservative and can be stored for a prolonged per |
| 4354308 |
Method for manufacture of a selective chemical sensitive FET transducer |
October 19, 1982 |
| A selective chemical sensitive field-effect transistor device for use in detection and measurement of chemical properties of substances to which the device is exposed is disclosed. The chemical sensitive FET device comprises a semiconductor substrate, at least one pair of spaced apart |
| 4352884 |
Carrier having acrylate copolymer coating for immobilization of bioactive materials |
October 5, 1982 |
| Carriers coated with a copolymer of a hydrophilic acrylate or methacrylate monomer and a copolymerizable unsaturated carboxylic acid or unsaturated amine are provided which are substantially free from nonspecific adsorption of proteins and the like. Due to the side-chain carboxyl or |
| 4351964 |
Process for producing acetaldehyde |
September 28, 1982 |
| A process for producing acetaldehyde is disclosed, which comprises reacting acetic anhydride with hydrogen in gaseous phase in the presence of a supported catalyst comprising a palladium, a platinum or a rhodium component. |
| 4350594 |
Blood purification using plural ultrafiltration stages |
September 21, 1982 |
| The invention provides a blood treatment apparatus realizing double-step-membrane filtration, namely separation of blood into plasma and a corpuscular fraction and separation of high-molecular-weight substances (e.g. gamma-globulin) in the plasma from low-molecular-weight substances |
| 4338478 |
Process for producing conjugated dienes |
July 6, 1982 |
| A process for producing a conjugated diene represented by the general formula ##STR1## wherein R.sub.3, R.sub.4 and R.sub.5 each represent a hydrogen atom, or any one of them represents a methyl group and the other two each represent a hydrogen atom,which comprises heating an alk |
| 4338180 |
Photoelectrodes for photoelectrochemical cells |
July 6, 1982 |
| The present invention provides photoelectrodes for photoelectrochemical cells, which photoelectrodes are essentially composed of a surface-chalcogenated molybdenum or tungsten metal. These photoelectrodes have long life, are highly efficient in energy conversion, and are inexpensive. |
| 4336202 |
1,3-Cyclohexanedione derivatives |
June 22, 1982 |
| Novel cyclohexanone derivatives of general formula: ##STR1## (wherein R.sup.1 is a hydrocarbon group of 1 to 15 carbon atoms) and new cyclohexanone derivatives of general formula: ##STR2## (wherein R.sup.1 and R.sup.2 each is a hydrocarbon group of 1 to 15 carbon atoms) are p |
| 4334117 |
Process for producing alkadienes |
June 8, 1982 |
| This invention provides an improved process for producing alkadienes which comprises (1) contacting butadiene or isoprene with a catalyst such as platinum or palladium or a compound of one of said metals in a sulfolane solution, in the presence of a tertiary lower alkylamine formate and |
| 4334042 |
Carbonylation of olefinic compounds |
June 8, 1982 |
| In the carbonylation of olefinic compounds in the presence of a cobalt carbonyl catalyst, the addition to the reaction system of a secondary phosphine oxide represented by the general formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each is substituted o |
| 4323455 |
Compact type fluid treatment apparatus |
April 6, 1982 |
| The apparatus according to this invention is provided with a stack assembly composed of two kinds of cells disposed in such order of arrangement that the adjacent cells are different in kind from each other. A first cell includes a first fluid distribution means and a membrane lying on e |
| 4317729 |
Ethylene-vinyl alcohol copolymer hollow fiber membranes and method of producing same |
March 2, 1982 |
| A hollow fiber membrane made of an ethylene-vinyl alcohol copolymer is provided, which is characterized in that, when observed in a dry state with an electron microscope, the hollow fiber membrane has at least one dense, active layer (or skin layer) on the inside and/or outside surface |
| 4315029 |
Racemic modification consisting of specific isomers of .alpha.-cyano-3-phenoxybenzyl cis- or |
February 9, 1982 |
| Racemic modifications each consisting of specific isomers of .alpha.-cyano-3-phenoxybenzyl cis- or trans-2,2-dimethyl-3-(2,2,2-trichloroethyl)cyclopropanecarboxylate with the absolute configurations [.alpha.S, 1R] an [.alpha.R, 1S] with respect to the asymmetric carbon atoms in the a |
| 4306087 |
Hydroformylation of olefinic compounds |
December 15, 1981 |
| In hydroformylating an olefinic compound in an organic solvent and in the presence of a rhodium complex and a trisubstituted phosphine to give the corresponding aldehyde, at least one diphosphino compound of the following general formula (I) is added to the reaction system in a proportio |
| 4303588 |
Farnesylacetic acid amides |
December 1, 1981 |
| Novel farnesylacetic acid amide compounds represented by general formula ##STR1## wherein A is alkylene of at least 2 carbon atoms, R.sup.1 is H or lower alkyl, and R.sup.2 and R.sup.3 are each independently H, alkyl, cycloalkyl, alkenyl, aryl or aralkyl, or either one of R.sup.2 and |
| 4302381 |
Dental material |
November 24, 1981 |
| The present invention provides a dental material comprising a polymerizable methacrylate monomer mixture and a curing agent, said polymerizable methacrylate monomer mixture containing a compound represented by the formula ##STR1## wherein R is H or methyl and n is integer of 1-4, |
| 4301803 |
Balloon catheter |
November 24, 1981 |
| Disclosed is a balloon catheter including a catheter and a balloon bonded to the catheter through an adhesive in which the outer surface of the balloon is contiguous to the outer surface of the catheter through a smooth surface. In this balloon catheter, the balloon is tightly fixed to |
| 4301083 |
Preparation of etherified polyoxyalkylene derivatives |
November 17, 1981 |
| Polyoxyalkylene compounds having at least four oxyalkylene units and one or two terminal hydroxyl groups are etherified by reacting same with organic primary chlorides or bromides in the presence of an aqueous, at least 30% by weight solution of sodium or potassium hydroxide to produce t |
| 4299839 |
Novel pesticides and pesticidal compositions cyclopropanecarboxylates and pesticidal method |
November 10, 1981 |
| Novel pesticidal compositions are comprised of a 2,2-dimethyl-3-(substituted ethyl)cyclopropanecarboxylic acid ester as the active ingredient, said cyclopropanecarboxylate having the structural formula: ##STR1## wherein X, Y and Z are the same or different and at least two of sam |
| 4289786 |
Farnesylacetic acid ester derivatives |
September 15, 1981 |
| Novel farnesylacetic acid ester derivatives containing an amine nitrogen in the alcohol residue thereof and represented by the following general formula exhibit high levels of antiulcerogenic activity and very low levels of toxicity: ##STR1## wherein A is an alkylene radical cont |
| 4287177 |
Wound covering material |
September 1, 1981 |
| The present invention provides a covering material consisting essentially of a hydrophilic, water insoluble polymer (component A), a high boiling plasticizer and/or organic solvent (component B) for said component A, and an aqueous liquid (component C). Said covering material is useful a |
| 4279795 |
Hydrophilic-hydrophobic graft copolymers for self-reinforcing hydrogels |
July 21, 1981 |
| Materials for forming a hydrogel when contacted with water having improved anti-thrombogenic properties and a highly improved mechanical strength are obtained by the copolymerization of a free radical-polymerizable vinyl monomer capable of forming a hydrophilic polymer and a hydrophobic |
| 4279752 |
Polyvinyl alcohol semi-permeable membrane and method for producing same |
July 21, 1981 |
| A polyvinyl alcohol (PVA) microporous membrane is disclosed which is prepared by a process which comprises forming a PVA membrane containing fine silica particles therein and substantially extracting said silica particles from said membrane, thereby forming a plurality of micropores |
| 4275084 |
Formed food product of microfibrillar protein and process for the production thereof |
June 23, 1981 |
| There is disclosed a formed food product of microfibrillar protein comprising a bundle of microfibrillar protein having a diameter of fiber of 10.mu. or less and a high heat resistance (A) and a microfibrillar protein having a diameter of fiber of 10.mu. or less and a low heat resist |
| 4271320 |
Process for producing a higher carbonyl compound |
June 2, 1981 |
| An industrially suitable process for producing a higher carbonyl compound by the oxidation of an olefinic compound having at least six carbon atoms is provided. Said improved process comprises oxidizing the olefinic compound in aqueous medium containing palladium or salt thereof and a |
| 4270003 |
Hydroquinone derivatives and preparation thereof |
May 26, 1981 |
| The novel hydroquinone derivatives of the formula (I) are useful intermediates for the preparation of coenzyme Q, vitamin K and the polyprenyltrimethylquinones: ##STR1## wherein R.sup.1 is lower alkyl, lower alkoxy lower alkyl or methoxyethoxymethyl, R.sup.2 and R.sup.3 are each |
