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CSIR Patents
Assignee:
CSIR
Address:
Pretoria, ZA
No. of patents:
40
Patents:




Patent Number Title Of Patent Date Issued
7530181 Protective footwear May 12, 2009
An article of protective footwear in the form of a boot (10) protects a foot (12) of a user against effects of a landmine explosion. A composite sole volume (16) between an outer sole (18) and an inner sole (20) incorporates shock wave guide elements (28) of a material having a high
7368690 Method of and apparatus for processing of semi-solid metal alloys May 6, 2008
Apparatus for producing a semi-solid metal alloy from a molten charge includes vertically aligned treatment zones which are provided by vertically aligned passages defined by a plurality of spirally wound flow pipes which are interspersed between spirally wound induction coils. A con
7225858 Method of and apparatus for processing of semi-solid metal alloys June 5, 2007
Apparatus for producing a semi-solid metal alloy from a molten charge includes vertically aligned treatment zones which are provided by vertically aligned passages defined by a plurality of spirally wound flow pipes which are interspersed between spirally wound induction coils. A con
7166611 Pharmaceutical compositions having appetite suppressant activity January 23, 2007
A pharmaceutical composition contains an extract obtainable from a plant of the genus Trichocaulon or Hoodia containing an appetite suppressant agent having the formula (1). A process for obtaining the extract and a process for synthesizing compound (1) and its analogues and derivatives
7129082 Bio-reactor device October 31, 2006
The invention provides a bio-reactor device and a method of cultivating live cells. The device comprises a holder which contains a matrix of porous foam material in whose interior live cells are anchored, the device comprising also a liquid contained in the holder. The liquid is an o
7043989 Method and apparatus for testing installation quality in a grouted anchor system May 16, 2006
The invention concerns a method of testing the installation quality of a grouted anchor system comprising at least one tendon anchored by grout in a hole in a surrounding mass. The system typically includes a group of roof bolts (10, 12) each having a tendon (10.1, 10.2) anchored in a ro
7026144 Process for preparing (-) menthol and similar compounds April 11, 2006
A process of separating a single desired stereoisomer from a racemic mixture of eight stereoisomers of a compound of formula (III), wherein R.sub.1 represents an isopropanol group, an isopropyl group or an isopropylene group, includes the steps of: contacting the racemic mixture in a
6892653 Securing an enclosed area May 17, 2005
A security apparatus (10) is provided in an enclosed area to be secured against an external threat, e.g. a load volume of a vehicle transporting valuables is secured against unauthorized entry. Two chemical components are contained separately. When a danger situation occurs, the security
6863819 Water treatment method March 8, 2005
The invention provides a method treating acid raw water including the step of neutralising the water by adding calcium carbonate to it in a neutralising stage. The neutralised water is then rendered alkaline or more alkaline by adding an alkali thereto selected from calcium hydroxide,
6592246 Method and installation for forming and maintaining a slurry July 15, 2003
A method and installation for forming and maintaining a slurry are disclosed. The method withdraws a slurry from a reservoir and directs it at a heap of solid material from which the slurry is drained into the reservoir, the slurry containing additional solid material from the heap t
6490881 Generating displacement and theroacoustic refrigerator December 10, 2002
A displacement generator (10) has a housing (12) defining a chamber (14) containing an incompressible liquid (15). A port (22) of the housing (12) is closed by a movable member (24). Within the chamber (14), opposing, convex, flexible walls (16.1, 16.2) form an internal modulating chambe
6437032 Compound bearing an urethane linkage, which is an addict of ricinoleic esters and an isocynate, August 20, 2002
A novel compound bearing urethane linkage of formula as shown herebelow, which is an adduct of ricinoleic ester and isocyanate, useful as a plasticizer for polyvinylchloride (PVC) and a process for the preparing the compound bearing urethane linkage by reacting fatty acid esters bear
6419834 Treatment of acidic water containing dissolved ferrous cations July 16, 2002
A water treatment process for raw water containing dissolved Fe.sup.2+ and H.sup.+ cations to reduce the Fe.sup.2 + cation concentration therein involves oxidation of the Fe.sup.2 cations to Fe.sup.3+ cations with the formation in the water of solid Fe(OH).sub.3 from the Fe.sup.3+ cation
6387342 Production of carbides and nitrides May 14, 2002
A method of making a compound selected from metal and silicon carbides and nitrides includes the steps of providing a solution of a coal-derived material in a solvent, the coal-derived material having a composition, free of solvent, of 70 to 91 percent by mass of carbon, 2 to 6 percent b
6376657 Pharmaceutical compositions having appetite suppressant activity April 23, 2002
##STR1##A pharmaceutical composition which contains an extract obtainable from a plant of the genus Trichocaulon or Hoodia containing an appetite suppressant agent having the formula (1). A process for obtaining the extract and a process for synthesizing compound (1) and its analogues an
6306302 Process for treatment of sulphate-containing water October 23, 2001
A process for treating water having anions comprising sulfur and oxygen dissolved therein involves subjecting the anions to an anaerobic biological reduction to sulfide anions dissolved in the water, followed by a biological oxidation of the sulfide anions to elemental sulfur suspended
6221399 Method of making controlled release particles of complexed polymers April 24, 2001
A method of making a solid interpolymer for use as a controlled release matrix for a controlled release product for oral administration, involves dissolving a first polymer in a solvent therefor, dissolving one or more second complementary polymers capable of complexing with the first po
5952411 Compound bearing an urethane linkage which is an adduct of ricinoleic esters and an isocynate, u September 14, 1999
A novel compound bearing urethane linkage of formula as shown herebelow, which is an adduct of ricinoleic ester and isocyanate, useful as a plasticizer for polyvinylchloride (PVC) and a process for the preparing the compound bearing urethane linkage by reacting fatty acid esters bear
5759613 Combatting of unauthorized tampering with identification marks June 2, 1998
The invention provides a method of treating an artifact to combat unauthorized tampering with the identity thereof. The method comprises forming a coating on at least part of a surface of the artifact, to provide the artifact with an identification mark which comprises said coating.
5750401 Cultural medium for bamboo shoot sprouting and multiplication and a method for sprouting and mul May 12, 1998
The present invention relates to a growth medium for the sprouting, multiplication and rooting of bamboo nodal buds from mature bamboo species, via plant tissue culture method, which method comprises a multistage culturing process by collecting a suitable explant from the best bamboo
5559036 Fluid analysis September 24, 1996
A method and apparatus for the preliminary detection of abnormal levels of metabolites in the urine of a human or mammal. The method includes the steps of determining the amount of creatinine in the urine of the human or animal, measuring the total metabolites content in the urine, using
5539636 Surface blasting system July 23, 1996
Apparatus is provided for activating a plurality of groups of electrical loads, such as electrical detonators used in blasting, after respective time delays. The apparatus comprises a master control unit which generates master control signals to initiate timing out of delay devices assoc
5503818 Aluminosilicate catalyst, a process for the manufacture thereof and a process for the skeletal i April 2, 1996
A novel family of substantially amorphous aluminosilicate catalysts and a process for the manufacture thereof are described. In the process, a source of silica, a source of alumina and a source of an alkali metal are mixed in an aqueous medium and then subjected to hydrothermal treatment
5463671 Telecommunications network having a distributed network of decentralized local stations October 31, 1995
A method of establishing a telecommunications network. The method includes the steps of providing a network of local stations joined to one another by microwave links, and arranging, in a cluster around each local station, a plurality of subscriber, or telephone stations, each subscriber
5423617 Shelf mountable printing apparatus June 13, 1995
The invention relates to a printing apparatus comprising a printing track defining a print receiving surface and a printing carriage arranged to travel along the printing track. The carriage includes printing heads arranged to receive data from a central database for printing on the
5406890 Timing apparatus April 18, 1995
The invention relates to a blasting apparatus for activating a plurality of electrical detonators after predetermined time delays. The blasting apparatus includes a plurality of remote electrical delay devices. Each device is linked to a detonator, and is arranged to be serially programm
5399190 Wood preservatives March 21, 1995
A wood preservative composition including a mixture of two or more metallic soaps of long chain unsaturated fatty acids, which soaps have a metallic component selected from the group consisting of copper, zinc, chromium, iron, antimony, tin, cobalt, nickel, arsenic, boron, lead, magnesiu
5368398 Diamond bearing assembly November 29, 1994
The invention concerns a diamond bearing assembly for a downhole motor. The assembly (10) includes at least one set of opposing, relatively rotating thrust bearing rings (20, 22) each of which includes an annular support element (24, 30) and PCD compacts (26, 32) carried by the support
5353009 Communication system October 4, 1994
A communication system comprises a control station and a number of remote stations connected to the control station by a multi-conductor harness. The control station houses a computer and supplies the remote stations with electrical power, as well as communicating bidirectionally with th
5344219 Motor vehicle wheel frame September 6, 1994
A motor vehicle wheel frame 10 is in the form of an assembly including three main components 12, 14, 30 of fiber-reinforced synthetic plastics molded material and a pre-assembled hub 32. First and second members 12, 14 are mirror images. Each includes a circular band portion 16, 18; a
5254520 Catalyst for the synthesis of methanol October 19, 1993
A method of forming a methanol synthesis catalyst precursor comprises forming a precipitate comprising compounds, thermally decomposable to oxides or mixed oxides, of copper, zinc, aluminum and at least one element of Group IVB and/or Group VIIB of the Periodic Table of Elements.
5232429 Method and apparatus for making a continuous tube of flexible sheet material August 3, 1993
Method and apparatus for making tubes from flexible textile sheets by which a sheet is helically wound around two or more non-rotatable support bars. Feed rollers contacting two or more helical convolutions wind the sheet so that adjacent helical convolutions overlap and also maintain th
5214410 Location of objects May 25, 1993
A locating system 10 for locating predetermined labelled objects 20 includes a transceiver unit 12 which comprises a narrow beamwidth antenna 14 for transmitting an energizing signal 16 at a predetermined first frequency and for receiving a returned signal 22 at a predetermined second
5189855 Foundation raft for supporting a structure March 2, 1993
The invention provides a foundation raft for supporting a structure such as a low rise building on soil which is prone to heaving or settling. The raft has a pair of foundation slabs, of set cementitious material which are spaced apart by a plurality of upwardly extending webs. The webs
5189246 Timing apparatus February 23, 1993
The invention relates to a blasting apparatus for activating a plurality of electrical detonators after predetermined time delays. The blasting apparatus includes a plurality of remote electrical delay devices. Each device is linked to a detonator, and is arranged to be serially programm
5156746 Treatment of water October 20, 1992
A water quality improvement process is provided for acid water containing sulphate and/or sulphite ions. The water is continuously fed into a fluidized bed containing calcium carbonate particles. The water consumes calcium carbonate and has its pH increased while calcium sulphate CaS
5096393 Peristaltic pump with hinged rotor support housing and adjustable tube rack March 17, 1992
The invention provides a peristaltic metering pump for dosing metered quantitites of fluids along a plurality of flow lines. The pump comprises a set of rollers and a plurality of flexible liquid transfer tubes, the tubes being mounted on a tube mounting against which they are simult
5046366 Apparatus for measuring deflection or deformation in pavement structures September 10, 1991
A system 10 for measuring deflection and/or deformation of a layer in a pavement structure under load is disclosed and claimed. The system comprises at least one apparatus 11 including electric coils 17 sensitive to relative movement between them and a separately anchored body 18 of
5035807 Water treatment for sulfate ion removal July 30, 1991
The invention provides a chemical process for the treatment of water containing dissolved calcium and sulphate ions, so as to produce a purified product water having a reduced sulphate ion concentration. Barium sulphide is added to the water to cause precipitation of barium sulphate
4980251 Method of synthesizing a lithium manganese oxide December 25, 1990
A method of synthesizing a lithium manganese oxide in accordance with the formula Li.sub.1-x Mn.sub.2 O.sub.4 in which 0.ltoreq.x<1 and having a spinel-type crystal structure includes forming a mixture in finely divided solid form of at least one lithium salt such as Li.sub.2 CO.sub.3

 
 
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