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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 4762949 | Acyl and carbamimidoyl alkanediamines Synthetically produced substantially pure biologically active compounds having the general formula ##STR1## wherein R1 is C1 -C20 alkyl, alkenyl, aryl, aralkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, cycloalken... | 08/09/1988 |
| 4596707 | Babesia parasite antigen useful in vaccine and diagnostic reagent Soluble antigen, specific for Babesia parasites, is isolated from growth media of Babesia-infected erythrocytes in cell culture and characterized, inter alia, by its ability to inhibit the capacity of specific Babesia serum antibodies to neutralize infect... | 06/24/1986 |
| 4570629 | Hydrophilic biopolymeric copolyelectrolytes, and biodegradable wound dressing comprising same Hydrophilic biopolymeric copolyelectrolytes comprising (a) a water-soluble linear anionic protein polyelectrolyte component derived from keratin and (b) a water-soluble linear cationic biopolymer polyelectrolyte component derived from at least one biopoly... | 02/18/1986 |
| 4537907 | Hypnotic composition and method of inducing sleep A hypnotic composition and method of inducing sleep in a mammal by administering to a mammal in a pharmaceutical carrier a hypnotically effective dose of a salt of 2-amino-3-(1-naphthyl) propanoic acid in the form of an injectable solution, capsule tablet... | 08/27/1985 |
| 4535061 | Bacteria capable of dissimilation of environmentally persistent chemical compounds Plasmid-assisted molecular breeding procedures for generating pure and mixed cultures of microorganisms capable of dissimilating environmentally persistent chemical compounds. Continuously cultured growth of microorganisms is carried out in the presence o... | 08/13/1985 |
| 4462985 | Delivery of biologically active components of heterologous species interferon isolates Interferon glycoprotein isolates of heterologous species origin are subjected to treatment in a digestive environment and non-species-specific biologically active fractions thereof are administered, preferably through digestive tract tissue, to the circul... | 07/31/1984 |
| 4450520 | Method and system for matching encoded characters A means and method for comparing an incoming sequential string of digitally encoded characters from a database stored in a conventional memory against a pattern with an arbitrary number of elements, comprising specified characters or character types (alph... | 05/22/1984 |
| 4443540 | Protein hydrolysis The present invention prepares protein hydrolyzates by reacting selected protein material with at least one proteolytic enzyme and recovering the low molecular weight protein material by ultrafiltration while recycling the high molecular weight material a... | 04/17/1984 |
| 4443802 | Stripline fed hybrid slot antenna A planar antenna is described which employs a pair of closely spaced parallel ground planes and a radiating element which is a composite aperture (hybrid slot) formed into the upper ground plane. One portion of the radiating element is a long narrow slot ... | 04/17/1984 |
| 4439198 | Biodegradable ocular insert for controlled delivery of ophthalmic medication An ocular insert is disclosed that is attachable to the third eyelid of animals to provide controlled delivery of ophthalmic medication. The insert includes a disc impregnated with medication in controlled-release form and a biodegradable spear for attach... | 03/27/1984 |
| 4423069 | Contraceptive method Contraceptive method comprises maintaining in the genital tract of a mammal an ester of 4-guanidinobenzoic acid and certain substituted phenols in a concentration effective to inhibit the fertilization of ova. In addition to effectively inhibiting the enz... | 12/27/1983 |
| 4417077 | Heterogeneous anionic transition metal catalysts Novel heterogeneous catalysts consist essentially of an anion exchange resin to which is bound ionically an anionic metal carbonyl species having the general formula Mn (CO)m (X)pz- where M is a transition metal... | 11/22/1983 |
| 4415585 | Contraceptive method Contraceptive method comprises maintaining in the genital tract of a female mammal a pyrazolone derivative in a concentration effective to inhibit the fertilization of ova. In addition to effectively inhibiting the enzymes or other sperm components necess... | 11/15/1983 |
| 4398392 | System for separation of water from the working fluid in low temperature difference power plants Apparatus for separating an undesired foreign fluid, such as water, from the working fluid, such as ammonia, in a low temperature difference power plant which includes an evaporator and a condensor. A flash separator unit vaporizes the working fluid and s... | 08/16/1983 |
| 4378255 | Method for producing integrated semiconductor light emitter A multilayer, III-V semiconductive structure can be disordered and shifted up in energy gap into a single crystalline form by a Zinc diffusion. More specifically, all or selected portions of a multilayer of either gallium arsenide/aluminum arsenide or gal... | 03/29/1983 |
| 4365260 | Semiconductor light emitting device with quantum well active region of indirect bandgap semiconductor material Advantageous operation can be achieved in a semiconductor heterostructure light emitting device by utilizing a single thin active layer which exhibits quantum size effects. It has been found that performance can be degraded by employing a single quantum l... | 12/21/1982 |
| 4347167 | Fine-grain semiconducting ceramic compositions A semiconducting internal boundary layer ceramic composition having a fine grain structure suitable for use in thin-layer multilayer capacitors is made in one step by firing a mixture comprising a major amount of finely divided strontium titanate, a minor... | 08/31/1982 |
| 4337162 | Internal boundary layer ceramic compositions An improved polycrystalline semiconducting ceramic composition comprises an alkaline earth metal titanate doped with a hexavalent metal oxide such as (MO3)(Bi2 O3)x where M is tungsten or molybdenum, and x range... | 06/29/1982 |
| 4330642 | Polymer bound multidentate complexes Polymer bound multidentate complexes are prepared by reacting pendant benzyl chloride and benzyl iodide groups on a variety of polymer supports, including crosslinked polystyrene, with 3,3'-iminodiproprionitrile and reducing the nitrile groups by treatmen... | 05/18/1982 |
| 4328125 | Heterogeneous anionic transition metal catalysts Novel heterogeneous catalysts consist essentially of an anion exchange resin to which is bound ionically an anionic metal carbonyl species having the general formula Mn (CO)m (X)pz- where M is a transition meta... | 05/04/1982 |
| 4322378 | Method for producing uniform spherical shells The disclosure is directed to a method for producing relatively uniform hollow spheres of a substance, the hollow spheres being formed with a gas therein as a result of the production process. The spheres, formed for example of hydrogen isotopes, are part... | 03/30/1982 |
| 4319937 | Homogeneous liquid phase epitaxial growth of heterojunction materials In accordance with the finding of undesired, non-uniform, heterojunction layers in heterojunction light emitters, it has been determined that completely uniform layers can be grown by growing individual super thin layers (i.e., ࣘ200 A) of uniform compos... | 03/16/1982 |
| 4307191 | Propagation of babesia parasites A method for quantitative propagation of hemotropic parasites, especially Babesia parasites, in vitro, Babesia-infected erythrocyte cultures are incubated in an environment of enhanced carbon dioxide tension wherein the culture medium overlay provides a b... | 12/22/1981 |
| 4303447 | Low temperature densification of zirconia ceramics Addition of from about 1.0 to about 15% by weight of a vanadium oxide or boric oxide promoter to a zirconia (ZrO2) powder promotes rapid densification at temperatures below about 1300° C. For example, a density of greater than 92% of estimated... | 12/01/1981 |
| 4297341 | Spermicidal composition A water-soluble complex comprising polyvinylpyrrolidone and gossypol is an effective spermicide.... | 10/27/1981 |
| 4283228 | Low temperature densification of PZT ceramics Addition of from about 0.1 to about 6.0% by weight of V2 O5 to (PZT)lead zirconate-lead titanate powder promotes rapid densification at temperatures below 1000° C. and eliminates the need for PbO atmosphere control. Densification to... | 08/11/1981 |
| 4270094 | Semiconductor light emitting device Advantageous operation can be achieved in a semiconductor heterostructure light emitting device by utilizing a single thin active layer which exhibits quantum size effects. It has been found that performance can be degraded by employing a single quantum l... | 05/26/1981 |
| 4257055 | Negative resistance heterojunction devices Described is a heterostructure semiconductor device of sandwich type construction. The central layer exhibits high charge carrier mobility and a relatively narrow band gap characteristic. The outer sandwich layers exhibit low charge carrier mobilities and... | 03/17/1981 |
| 4246754 | Solid state thermal engine An improved solid state thermal engine utilizes as a drive member a braided belt fabricated from a memory alloy such as nickel-titanium and nickel-titanium ternary alloys, copper-zinc and copper-zinc ternary alloys, and the like. The braided belt is mount... | 01/27/1981 |
| 4237084 | Method of producing internal boundary layer ceramic compositions An improved polycrystalline semiconducting ceramic composition comprises an alkaline earth metal titanate doped with a hexavalent metal oxide such as (MO3)(Bi2 O3)x where M is tungsten or molybdenum, and x range... | 12/02/1980 |
| 4232687 | Apparatus and method for determining newborn infant feeding capability The disclosure is directed to a method and apparatus for determining a newborn infant's capability to orally accept nourishment. In accordance with the method of the invention, a test nipple is inserted in the mouth of an infant. Further method steps comp... | 11/11/1980 |
| 4223005 | Antibody coated bacteria Process for identification and enumeration of B and T lymphocytes in an unseparated peripheral body sample comprises contacting the sample with two morphologically distinguishable bacteria, each of which is coated with an antibody specific to an antigen o... | 09/16/1980 |
| 4218723 | Heterophasic ceramic composition Liquid phase sintering of a mixture comprising a major amount of barium titanate and a minor amount of a lead germanate composition at temperatures in the range of from about 750° to about 1050° C. provides a heterophasic ceramic body of high dielectric... | 08/19/1980 |
| 4206320 | High speed modem suitable for operating with a switched network A modem capable of achieving essentially 9600 bit per second information transfer rate through the switched telephone network. The high bit rate is achieved notwithstanding the variations in the characteristics of the switched telephone network by phase a... | 06/03/1980 |
| 4200849 | Tuned unidirectional surface wave transducer A surface acoustic wave device having a unidirectional input transducer is provided with an input tuning circuit which eliminates the reactive portions of the device's input impedance. The input transducer has a pair of input ports, each of which exhibits... | 04/29/1980 |
| 4162465 | Surface acoustic wave device with reflection suppression Applicants discovered that by employing selected transducer geometries, such as unbalanced dual-finger geometries, certain reflections, called "Mechanical electrical loaded" (MEL) reflections, can be generated which tend to cancel reflected waves inherent... | 07/24/1979 |
| 4162466 | Surface acoustic wave resonator Applicants have discovered that the performance of Surface Acoustic Wave Resonators can be markedly improved by digressing from the accepted techniques of sensing standing waves set up by resonation in the SAW device. Applicants have developed a SAW reson... | 07/24/1979 |
| 4160802 | Instrument for the automated determination of organic halogens A rapid, automated method for the determination of organic halogens is provided by an analytical system comprising a burner and combustion chamber for burning the organic halogen-containing sample in an oxygen-hydrogen flame; an absorption zone wherein th... | 07/10/1979 |
| 4158219 | Heterophasic ceramic capacitor Liquid phase sintering of a mixture comprising a major amount of BaTiO3 and a minor amount of Pb5 Ge3 O11 at a temperature of 750°-1050° C. provides a heterophasic ceramic body of high dielectric constant and ... | 06/12/1979 |
| 4130634 | Method for detecting and quantifying antigens Method for detecting and quantifying an antigen by contacting with erythrocytes coated with antibody specific to the antigen and reactive therewith, followed by treatment with developer comprising antibody reactive with the antigen and with complement. Ly... | 12/19/1978 |
