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| Number | Title | Issue Date |
| 5128164 | Composition for human consumption containing 3-(1-amino-1,3-dicarboxy-3-hydroxy-but-4-yl)-indole compounds The invention provides compositions for human consumption containing, as a sweet tasting constituent, a compound of the formula: ##STR1## and which is: 3-(1-amino-,3-dicarboxy-3-hydroxy-but-4-yl)-indole, including the isomers, salts and specified int... | 07/07/1992 |
| 4975298 | 3-(1-amino-1,3-dicarboxy-3-hydroxy-but-4-yl)-indole compounds The invention provides a compound of the formula: ##STR1## and which is: 3-(1-amino-1,3-dicarboxy-3-hydroxy-but-4-yl)-indole, including the isomers, salts and specified internal condensation derivatives thereof, and in particular those which have enh... | 12/04/1990 |
| 4923403 | Microbiological process for degradation of steroids A process for preparing 3a-H-4-[3'-propionic acid]-5-hydroxy-7aଲ-methyl-hexahydro-1-indanone-δ-lacton e, having the formula ##STR1## for the chemical synthesis of a pharmaceutical steroid, which includes cultivating, i... | 05/08/1990 |
| 4902623 | Plasminogen activator For selectively and reversibly adsorbing tPA, pro-tPA or mixtures thereof, from an aqueous medium, for example, derived from a melanoma cell culture, the aqueous medium is intimately contacted with an affinity reagent comprising an immobilized Kunitz-type... | 02/20/1990 |
| 4845042 | Adjuvant for immunization The invention provides an immunizing agent or preparation e.g. a vaccine for parenteral administration comprising particles of coalesced and covalently interlinked physiologically compatible proteinaceous molecules and, entrapped in these particles, an im... | 07/04/1989 |
| 4784126 | Surgical device A method of surgery for attaching the end of a ligament to a bone from which it has become attached, includes drilling a passage in the bone so that the passage opens at or adjacent the position where the ligament became detached, inserting an elongated c... | 11/15/1988 |
| 4778468 | Surgical implant The invention provides a surgical implant in the form of a stud for anchoring in a hole formed in bone. The stud has an elongated cylindrical body which is tubular and which has a head at one end and a passage along its interior. A pin is insertable into ... | 10/18/1988 |
| 4735149 | Railway vehicle suspension A railway bogie or a vehicle is so suspended to axleboxes on a plurality of wheelsets that each wheelset can yaw about a center of yaw, move laterally and move vertically relatively to the frame of the bogie or vehicle. Each axle box has a pair of radiall... | 04/05/1988 |
| 4707420 | Power storage battery The invention provides a power storage battery (10) comprising a multiplicity of interconnected identical electrochemical power storage cells (11) whose internal resistance varies with their temperature. The cells are interconnected into a plurality of gr... | 11/17/1987 |
| 4691069 | Hydrogentation of unsaturated aliphatic hydrocarbons The invention provides a process for the catalytic hydrogenation of an unsaturated hydrocarbon, particularly useful for the hydrogenation of alkynes such as acetylene to alkenes such as ethylene. The unsaturated hydrocarbon is brought into contact with hy... | 09/01/1987 |
| 4672957 | Surgical device The invention provides a surgical device which has a probe for insertion into soft tissue during a surgical operation, and a drill guide for guiding a bone drill during the operation. The drill guide is connected to the probe and is adjustable in position... | 06/16/1987 |
| 4614277 | Pallet with tensioned strips and bulk bin A pallet (10) comprising a top deck consisting of planks (20, 22, 24, 26) to the undersides of which blocks (28, 30, 32) are secured. The entire pallet is deformed to a convex form so that its length and width are reduced with respect to its undeformed di... | 09/30/1986 |
| 4594543 | Lightning warning system An apparatus and method for warning against lightning strikes, in which the rate of occurrence of ground flashes is determined and used as a criterion. The rate of occurrence of ground flashes in 0 to 5 kilometers, 5 to 10 kilometers and 10 to 20 kilomete... | 06/10/1986 |
| 4590928 | Surgical implant The invention provides a surgical implant in the form of a stud for anchoring in a hole formed in bone. The stud has an elongated cylindrical body which is tubular and which has a head at one end and a passage along its interior. A pin is insertable into ... | 05/27/1986 |
| 4535768 | Set of surgical instruments A set of surgical instruments is provided, for threading a tow or skein of carbon fibres through a passage in bone. The set includes an elongated adaptor having a passage along its length for insertion into a passage in bone, a fish wire having a leading ... | 08/20/1985 |
| 4527569 | Device for guiding a surgical needle into a blood vessel A device for guiding a surgical needle (N) carried by a mount (30) into a blood vessel comprises receiving and transmitting ultrasonic transducers (26, 28). The transducers are positioned so that there is a point of convergence between the axis of the ult... | 07/09/1985 |
| 4506681 | Surgical implant A precursor device is provided for forming a surgical implant for prosthetic surgery. The device has a body or matrix of biocompatible material which is thermoplastic and electrically insulating. Embedded in the matrix is a plurality of electrically condu... | 03/26/1985 |
| 4480553 | Stabilized railway vehicle A railway bogie is disclosed with wheels of high effective conicity and supported on the wheels through pads with low yaw constraint so that they are self-steering. Cross-members connecting diagonally opposed wheels interconnect yawing movements of the wh... | 11/06/1984 |
| 4478946 | Carrier bound immunosorbent The invention provides an immuno-reactant, being either an antigen or an antibody covalently bonded to a cross-linked film, more particularly composed of cross-linked protein or peptides, enveloping a carrier body, e.g. a solid, non-porous glass bead of 6... | 10/23/1984 |
| 4403857 | Distance measuring device and method Electromagnetic distance measurement, preferably utilizing optical signals. Signals from a main transmitter are transmitted from a first position to a second position and returned to the first position and simultaneously from the main transmitter along a ... | 09/13/1983 |
| 4366215 | Electrochemical cell A method of making a cathode for a secondary electrochemical cell is disclosed. The method involves activating or preconditioning an oxide which has a spinel-type or oxo-spinel type structure of the formula AB2 O4 with at least one o... | 12/28/1982 |
| 4326094 | Waterproofing of insulated electric cables The invention provides for the waterproofing of a telephone cable by the incorporation of longitudinal strands within the sheath alongside the insulated conductors. The strands have deposited thereon a moisture sensitive swelling agent, such as ethyl hydr... | 04/20/1982 |
| 4320972 | Vacuum spectrometer having a number of remotely positionable narrow wavelength detectors A spectrometer of the Rowland circle type having an annular steel table on which are supported a plurality of wheeled carriages. Each carriage has a remotely operable magnetic clamping arrangement to clamp it to the table. Each carriage also has a light e... | 03/23/1982 |
| 4313348 | Method of stress grading timber length This invention provides a method of stress grading timber lengths. The minimum stiffness and clear stiffness of the timber lengths are measured and the timber lengths are classified using both the minimum stiffnesses and clear stiffnesses as predictors to... | 02/02/1982 |
| 4300454 | Self-steering damping railway truck A railway truck with a load-bearing structure resiliently supported on two live-axle, self-steering wheelsets, axle bearings being provided on the wheelsets and damping elements being connected longitudinally between axle bearings on the same side of the ... | 11/17/1981 |
| 4289037 | Method of stress grading timber, and machine for stress grading timber The invention provides a method of stress grading timber, and a timber stress grading machine. The method and machine involve continuously moving a length of timber and stressing the moving length by applying a transverse load thereto. The length is suppo... | 09/15/1981 |
| 4288506 | Cathode for an electrochemical cell and an electrochemical cell A cathode for an electrochemical cell is disclosed, and a cell including it, together with an active cathode current collector for use in an electrochemical cell and methods of forming such a cathode. The cathode in its discharged state comprises an intermedia... | 09/08/1981 |
| 4269905 | Electrochemical cell and the protection of an electrochemical cell A method and means for reducing the potential hazard presented by escaping electrochemical cell contents are disclosed. The invention involves associating a micromolecular sieve carrier with the cell to sorb such contents when they escape, to reduce the s... | 05/26/1981 |
| 4267242 | Electrochemical cell An electrochemical cell comprising an anode, a cathode and a solid electrolyte, and a battery made up of a plurality of such cells. The anode comprises silver or copper or alloys or amalgams thereof. The cathode is a molecular sieve carrier having a pore ... | 05/12/1981 |
| 4221980 | Electrical switching means This invention provides an electrical switch which has regenerative ON and OFF switching and which is latched. The switch has a main switching transistor, a latching transistor, a plurality of auxiliary current enhancing transistors and a switch-off trans... | 09/09/1980 |
| 4169790 | Solid surface texture suitable for a stationary phase for chromatography A body having a siliceous surface provided with a surface texture comprising predominantly a plurality of siliceous microvilli or whiskers projecting from and grown onto the surface is useful as a solid stationary phase for chromatography.... | 10/02/1979 |
| 4151801 | Self-steering railway truck A railway truck suspension including a load-bearing member, a pair of wheelsets supporting the load-bearing member, each wheelset being self-steering, and means interconnecting the wheelsets such that they yaw in opposite sense, the interconnecting means ... | 05/01/1979 |
| 4136620 | Self steering railway truck A load-carrying railway truck having a longitudinal axis in its direction of travel and including at least one load-bearing member for supporting a load; a pair of live wheelsets supporting the load-bearing member, each wheelset being so mounted in the tr... | 01/30/1979 |
| 4130809 | Travelling wave laser This invention provides a transversely excited travelling-wave gas laser in which the excitation pulse is shaped by a pair of elongate electrodes, the separation of which varies along their length. The separation is ideally determined empirically. Prefera... | 12/19/1978 |
| 4102986 | Process for the continuous manufacture of nitrous oxide Nitrous oxide (laughing gas) is produced by continuous decomposition of ammonium and nitrate ions fed into an aqueous, strongly acid reaction liquor containing chloride ion as catalyst. N2 O and water are continuously removed. Preferred paramet... | 07/25/1978 |
| 3989818 | Influenza virus vaccine Influenza virus is purified, fractionated or concentrated in an aqueous medium, using a linear filamentary non-charged polymer, preferably polyethylene glycol, as an insolubilising agent, at a concentration not exceeding 5% by weight. Impurities and large... | 11/02/1976 |
| 3987289 | Electrical signal processing A method of processing a varying electrical function is disclosed wherein the varying function is related to a series of straight line segments located in end-to-end relationship with each straight line segment closely following a corresponding portion of... | 10/19/1976 |
| 3982828 | Eye testing apparatus Eye testing apparatus including a control unit having a control display panel having a number of distributed electrical lights adapted to be illuminated; and electrical connection means for connecting the control unit to a source of electrical energy; a r... | 09/28/1976 |
| 3966346 | Compactor A compactor which comprises a wheeled frame including a pair of laterally spaced ground wheels and a pair of laterally spaced links pivotally mounted on the frame about a common laterally extending pivot axis. A roller of non-circular cross-sectional prof... | 06/29/1976 |
| 3950110 | Non-circular compaction roller, and a mounting therefor A compaction assembly comprising a lobed roller and a draw frame; and the operation thereof. A pair of composite links interconnects the roller and frame, each being pivotally connected to the frame and comprising at least two constituent links pivotally ... | 04/13/1976 |
