...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 5344457 | Porous surfaced implant There is disclosed an implant for anchoring in bone and/or fibrous connective tissue and to which a prosthesis such as a dental bridge may be connected through connecting components. The implant is of tapered design defining a wide top portion for connect... | 09/06/1994 |
| 5300536 | Catalytic composition for photopolymerization and a photopolymerizable composition containing the same The present invention relates to a catalytic composition for photopolymerization, which comprises an alpha-diketone and a hydrazone or a silane compound which has a silicon atom carrying a hydrogen, and also relates to a photopolymerizable composition whi... | 04/05/1994 |
| 5296430 | Method for the preparation of a stabilized catalyst for the polymerization of olefins A so-called Ziegler catalyst composed of a titanium halide-containing solid ingredient and an organoaluminum compound for the polymerization of olefins can be imparted with greatly improved storage stability by first subjecting the catalytic composition t... | 03/22/1994 |
| 5292495 | Porous particles of calcium carbonate and method for the preparation thereof A method is proposed for the preparation of porous calcium carbonate particles of which each of the particles is not an aggregate but has ink bottle-shaped pores each not communicating with the others. The method comprises: (a) blending particles of heavy... | 03/08/1994 |
| 5290844 | Water-swellable adhesive water stop The water-swellable adhesive water stop of the invention is advantageous in respect of the improved workability and high water-stopping power as a consequence of the unique formulation of the rubber composition from which the water stop is prepared by sha... | 03/01/1994 |
| 5281580 | Calcitonin-containing emulsion for nasal administration The present invention is to provide emulsion preparations for nasal administration containing calcitonins, which are safely and effectively administrated compared with the conventional calcitonin preparations. The emulsions are prepared by using a calcito... | 01/25/1994 |
| 5258454 | Peptide synthesis method and solid support for use in the method A method for the solid-phase synthesis of peptides or proteins in high yield and high purity uses a solid-support consisting of a functionalized polystyrene-grafted polymer substrate, the grafted polystyrene chains being substantially non-cross-linked and... | 11/02/1993 |
| 5254335 | Hair conditioning compounds containing reactive nonionic surfactants and isothiuronium compounds and method of use Novel isothiuronium surfactant salts are useful as hair conditioning agents. Aqueous composition containing such salts, and method of using the salts are disclosed.... | 10/19/1993 |
| 5244487 | Adenine derivatives and their use as agents for increasing yield of crops Disclosed are novel adenine derivatives represented by the formula I and agriculturally acceptable acid addition salts thereof represented by the formula: ##STR1## wherein n is an integer of 2-4. Compositions for increasing yield of crops such a... | 09/14/1993 |
| 5229490 | Multiple antigen peptide system Multiple antigen peptide systems are described in which a large number of antigens are bound to the functional groups of a dendritic core molecule providing a high concentration of antigen in a low molecular volume. The products are useful for producing c... | 07/20/1993 |
| 5227501 | Iodine- and fluorine-containing epoxy compound Disclosed is a novel fluorine-containing epoxide compound 6-iodo-undecafluoro-1,2-epoxy hexane which can be prepared by the epoxidation reaction of 6-iodo-undecafluoro-1-hexene with a hypochlorite such as sodium hypochlorite in a two-phase reaction system... | 07/13/1993 |
| 5226995 | Method and apparatus for joining plastic optical fibers Apparatus and method for joining two ends of plastic optical fibers after the ends have been formed, preferably cut at a bias. The ends are pushed together within a tightly fitting quartz tube and their juncture is heated, by a resistance wire filament wh... | 07/13/1993 |
| 5223494 | Orally administered porphyrins to control intestinal iron absorption Disclosed is a pharmaceutical composition for oral administration to control heme oxygenase comprising mettaloprotoporhyrins and mettalomesoporphyrins.... | 06/29/1993 |
| 5221339 | Heat-conductive silicone oil compound The silicone oil compound of the invention has a high thermal conductivity by virtue of compounding of a relatively large amount of a heat-conductivity improver such as zinc oxide, aluminum nitride and the like in a powdery form but still has an adequate ... | 06/22/1993 |
| 5221378 | Method for the preparation of high-strength fine wire of high-carbon steel An improved method is proposed for the manufacture of a very fine high-carbon steel wire having a diameter of 50 μm or smaller. In the wire drawing process by repeating a plural number of cycles each consisting of a patenting treatment and a cold-drawing... | 06/22/1993 |
| 5219913 | Polypropylene-based resin composition The polypropylene-based resin composition of the invention consists basically of (a) a polypropylene resin or a block copolymer of propylene and ethylene of specified ethylene content specified in terms of the melt index and the isotacticity relative to t... | 06/15/1993 |
| 5219681 | Lithium cell A lithium cell having excellent discharging and recharging characteristics is proposed which is characteristic in the unique formulation of the polymeric solid electrolyte composition having a high ionic conductivity to fill the space between the anode an... | 06/15/1993 |
| 5219707 | Photostable cyanine dye and optical recording medium A photostable cyanine dye possessing a structure represented by the general formula I or II: $c;+ L=.PSI..multidot.Q- (I) $c;=L-.PSI.+ .multidot.Q- (II) wherein $c; deno... | 06/15/1993 |
| 5211738 | Adenine derivatives and their use as a plant growth regulator A denine derivatives represented by the following formula: ##STR1## (wherein n is 1 or 2 and R and R' represent hydrogen or a methyl, ethyl, allyl, or propargyl group) and agriculturally acceptable acid addition salts thereof, which have cytokinin ac... | 05/18/1993 |
| 5207878 | Method for the preparation of fine particulate metal-containing compound A finely divided metal-containing compound can be efficiently prepared by irradiating a mixed vapor phase of an organometallic compound in a concentration to exceed a specified lower limit and a reactant gaseous compound with laser beams having an inciden... | 05/04/1993 |
| 5206302 | Styrene-based resin composition The rubber-modified styrene-based resin composition, which is a composite of a styrene-based resin as a continuum of the matrix phase and a diene-based rubbery polymer as a dispersed particulate phase in the matrix, is characterized by the parameters incl... | 04/27/1993 |
| 5202232 | IgA binding protein Describes IgA binding protein isolatable from Group B streptococci, methods of isolation and use in immunological testing procedures.... | 04/13/1993 |
| 5190818 | Adhesive composition for temporary adhesive bonding of paper sheets The adhesive composition of the invention exhibits an adequately controlled adhesive bonding strength when paper sheets coated therewith are bonded together to be adaptable to subsequent separation of the bonded sheets of paper by peeling. The essential i... | 03/02/1993 |
| 5186944 | Therapeutic medicament for thrombosis An efficient therapeutic medicament in a powdery form for thrombosis and related diseases is prepared by the steps of: removing dirty matters on the body surface and fecal mud in the digestive tracts from live earthworms by keeping them in a slightly acid... | 02/16/1993 |
| 5180653 | Electron beam-curable resist composition and method for fine patterning using the same An electron beam-curable resist composition suitable for fine patterning works in the manufacturing process of semiconductor devices is proposed which is outstandingly stable in storage and capable of being developed using an aqueous alkaline developer so... | 01/19/1993 |
| 5162313 | Control of heme and iron concentrations in body tissues The administration of tin protoporphyrin, tin mesoporphyrin or tin diiododeuteroporphyrin to mammals, notably humans, increases the rate at which heme is excreted by mammals, and is useful for treatment of body tissue injury associated with hemorrhage in ... | 11/10/1992 |
| 5162127 | Method of inhibiting discoloration of foodstuffs with hydrolysis mixtures of aldonic and sulfites Foodstuffs subject to oxidative or enyzmatic discoloration particularly fruits, vegetables and cereal grains are treated with a combination of hydrolysis mixtures of aldonic acids and their lactones, particularly gluconic acid and its lactones together wi... | 11/10/1992 |
| 5162596 | Z-12-heptadecen-1-yne Disclosed is a novel ene-yne compound Z-12-heptadecen-1-yne expressed by the structural formula CH3 (CH2)3 CH.sup.(Z) =CH(CH2)9 C=CH, which is useful as an intermediate in the synthetic preparation of... | 11/10/1992 |
| 5156726 | Oxygen-generating electrode and method for the preparation thereof The electrode of the invention suitable for use in an oxygen-generating electrolytic process with durability comprises (A) a substrate of, e.g., titanium metal; (B) an undercoating layer thereon which is formed of a mixture of an iridium oxide and tantalu... | 10/20/1992 |
| 5131513 | Document carrier There is provided a carrier, primarily for use with oversize documents. The carrier is of flexible construction, made of a flexible waterproof material such as canvas, nylon or the like, so that the carrier and its contents can be rolled as a unit, and he... | 07/21/1992 |
| 5102957 | Novel block copolymer of styrene and ethylene A novel method is proposed for the preparation of a block copolymer of styrene and ethylene having a very narrow molecular weight distribution and controlled molar ratio of the styrene moiety to ethylene moiety in a high efficiency. The method comprises t... | 04/07/1992 |
| 5102909 | Pharmaceutically useful furyl substituted dihydroxyethylbutyrolactones The compounds 2-(5-methylthiomethyl-2-furyl)-2-hydroxy-3-keto-4- dihydroxyethylbutyrolactone and 2-(5-methoxymethyl-2- furyl)-2-furyl(-2-hydroxy-3-keto-4-dihydroxyethylbutyrolactone and pharmaceutical compositions containing them are useful to regulate th... | 04/07/1992 |
| 5100758 | Positive-working photoresist composition containing quinone diazide compound, novolak resin and alkyl pyruvate solvent A proposal is made for the use of an alkyl pyruvate or a solvent mixture mainly composed thereof as a solvent in a positive-working photoresist composition comprising an alkali-soluble novolac resin as the film-forming ingredient and a quinone diazide gro... | 03/31/1992 |
| 5098933 | Pharmaceutically useful Michael addition products of unsaturated aldehydes and ketones and ascorbic acid Michael addition products of ascorbic acid and selected unsaturated aldehydes and ketones are useful as immunomodulators in mammals.... | 03/24/1992 |
| 5098546 | Oxygen-generating electrode Proposal is made for providing a high-performance electrode suitable for use in an oxygen-generating electrolytic process having an outstandingly low oxygen overvoltage and exhibiting high durability in a prolonged run of electrolysis. The electrode consi... | 03/24/1992 |
| 5091224 | Method of preparation of a surface-coated metal-made ornamental article A metal-made ornamental article, such as watch cases and the like, is provided with a bilayered coating layer composed of an undercoating layer of a specified thickness formed from an aqueous colloidal solution of sodium silicate and silica sol in a speci... | 02/25/1992 |
| 5088433 | Wave-making resistance suppressing means in ship and ship provided therewith The wave making resistance on a proceeding ship can be greatly decreased by providing the ship hull with at least one pair of fins mounted on the hull extending above and below the draft line, each fin being fixed at the front end line and the rear end of... | 02/18/1992 |
| 5084475 | Methods for suppressing the endocrine system Cobalt protoporphyrin and cobalt mesoporphyrin are administered to animals to achieve weight loss and improve protein to fat ratio.... | 01/28/1992 |
| 5082892 | Novel resin composition and chassis for electronic instruments shaped therefrom A glass fiber-reinforced synthetic resin composition is proposed which is particularly suitable as a molding material of chassis of electric and electronic instruments to satisfy the various requirements in this particular application. The resin compositi... | 01/21/1992 |
| 5082002 | Automatic operant conditioning system especially for scoliosis A system and method for the operant conditioning of subjects using biofeedback includes means to measure a variable condition, such as posture, which is controllable by the subject. The apparatus sets criteria which, if not met, may result in a negative r... | 01/21/1992 |