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Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister


Location: Ontario, CA
No. of patents: 32

NumberTitleIssue Date
6876327Non-planar ringed antenna system
An antenna system that permits the size of the ground plane to be reduced while mitigating the negative performance impacts normally associated with sub-optimal ground plane size. The antenna system comprises a ground plane, a radiating element and an isolated condu...
04/05/2005
6715159Angularly disengageable glove-to-cuff connection apparatus
An apparatus for releasably sealing the opening between a glove and the sleeve cuff to prevent ingress of water therebetween. The apparatus includes a pair of rings, one of which is attached to the wrist portion of a glove while the other is attached to the cuff por...
04/06/2004
6582699Combination vaccine for enhancing immunity against brucellosis
A vaccine comprising a combination of Brucella "A" and "M" outer-polysaccharides (OPSs) and "R" protein antigens for enhancing immunity against brucellosis is disclosed. The OPS may be obtained from different strains or species of Brucellae (i.e. combinin...
06/24/2003
6508894Insensitive propellant formulations containing energetic thermoplastic elastomers
An energetic and recyclable propellant composition, which is capable of withstanding cold temperature, includes an energetic copolyurethane thermoplastic elastomer. The propellant composition can be used as a gun or rocket propellant, an explosive or in a...
01/21/2003
6355445Method of detecting a pathogen using a virus
A bacteriophage linked to an enzyme can replace an antibody in a system for detecting the presence of a bacteria in a sample. Specifically Brucella abortus (a pathogen which causes brucellosis in cattle) can be detected using Brucella bacteriophage for th...
03/12/2002
6326528Wheat aleurone regulatory region
This invention is directed to a regulatory region obtained from a wheat aleurone gene LtpW1. This regulatory region, or truncated derivatives of this regulatory region, can be used to express heterologous genes of interest within aleurone cells of a plant...
12/04/2001
6061926Controlled energy density microwave-assisted processes
An effect is induced within a chemical system consisting of at least two substances having differing degrees of microwave transparency, by exposing the mixture to focused microwave energy having a generally uniform energy density level, and an energy dens...
05/16/2000
5918569Pulsed fluidised bed
An apparatus and method for processing materials in a batchwise or continuous fluidised bed, such as a drier, in which the fluidised bed is subdivided into a plurality of smaller areas, to each of which two separately controlled gas flows are provided. Th...
07/06/1999
5773692Anti-sense RNA for CAB transcript to reduce chlorophyll content in plants
The initial steps in photosynthesis are the conversion of light energy into chemical energy. This conversion is performed by the multisubunit protein-pigment complexes of the thylakoid membranes. Oxygen-evolving photosystems contain photosystem I (PSI) an...
06/30/1998
5770547Process for making CuO superconductors
A process for making a superconducting, Pb-doped, 2:2:2:3 BiSrCaCuO thin film includes heating deposited thin film material at between 1083K and 1103K for no more than 20 minutes in oxygen with a flow rate of 500 sccm, followed by quenching the material i...
06/23/1998
5559993Hardware circuit for securing a computer against undesired write and/or read operations
A write protect device for a computer comprising a hardware circuit with a switch connected to an internally installed circuit card which has cable connections between data storage device drives and a drive controller cable, the circuit card intercepting ...
09/24/1996
5523211Identification, quantitation and purification of insecticidal proteins from Bacillus thuringiensis
A process for identifying proteinaceous protoxins expressed by Bacillus thuringiensis genes is disclosed. According to the process, daughter toxins are first generated by subjecting a protoxin-containing material, such as parasporal crystals of Bacillus t...
06/04/1996
5504455Efficient digital quadrature demodulator
A digital quadrature demodulator for an intermediate frequency (IF) input signal with an analog-to-digital (A/D) converter having a sampling frequency fs and an input to which the IF input signal is applied where the IF input signal has a bandw...
04/02/1996
5463158Oligomerization of low molecular weight olefins in ambient temperature melts
An improved process is described for the catalytic oligomerization of light olefins, such as ethylene or propylene. Higher hydrocarbons, such as gasoline grade hydrocarbons, are produced from the light olefins using a liquid catalyst which comprises a Lew...
10/31/1995
5377426Microwave-assisted generation of volatiles, of supercritical fluid, and apparatus therefor
The generation of volatiles from liquid or solid materials is enhanced and accelerated by exposure to microwave radiation. Normally the energy transfer is effected preferentially toward the liquid or solid materials over the generated gaseous volatiles. S...
01/03/1995
5296369Method and compositions for controlling round-leaved mallow using Colletotrichum gloeosporioides f. sp. malvae, A.T.C.C. 20767
Commercial mycoherbicide compositions for the control of round-leaved mallow weeds (Malva pusilla Sm.), the active ingredient being the spores of the fungus Colletotrichum gloeosporioides f.sp. malvae, ATCC 20767, these spores having been produced by a tw...
03/22/1994
5214110Branched azido copolymers
The invention disclosed relates to novel branched chain hydroxy-terminated aliphatic polyether copolymers containing glycidyl azide and an additional substituent selected from the group consisting of alkylene oxide, styrene azide oxide and glycidyl units,...
05/25/1993
5191034Branched energetic polyether elastomers
The invention disclosed relates to novel branched chain hydroxy-terminated aliphatic azido polymers and copolymers with variable molecular weight (MW) and a single step method for the preparation thereof which involves respectively reacting a high (MW) 0....
03/02/1993
5145820Reduced pressure sublimation of amine compounds on activated carbons
Activated carbon is used on gas-mask canisters for filtering air to remove toxic vapors. For military use, the charcoal is impregnated with inorganic salts or organic compounds for improving the chemical activity of the charcoal with respect to toxic vapo...
09/08/1992
5130381Branched energetic polyether elastomers
The invention disclosed relates to novel branched chain hydroxy-terminated aliphatic azido polymers and copolymers with variable molecular weight (MW) and a single step method for the preparation thereof which involves respectively reacting a high (MW) 0....
07/14/1992
5061636Chemical agent detectors and their method of use for detecting chemical nerve agents
There is provided a new and useful paper type G and or type V chemical agent detector comprising a paper base including, associated with the base, at least one dye chosen from 4-((4-(phenylazo)phenyl)azo)-phenol (D.Y. 23), p-ethoxyphenyl-azo-଱-hydro...
10/29/1991
5009845Chemical agent detectors for chemical nerve agents
There is provided a new and useful paper chemical agent detector comprising a paper base including, associated with the base, at least one dye chosen from 4-((4-(phenylazo)phenyl)azo)-phenol (D.Y. 23), p-ethoxypenyl-azo-଱-hydroxynaphthoic acid (PEN)...
04/23/1991
4964061Myoelectric control of actuators
It is the purpose of this invention to provide a method and apparatus for a compliance control in each degree of freedom of a robotic system independently of other control parameters. This independent compliance control capability allows dexterous assembl...
10/16/1990
4915099Moulded speech transmitter
A speech transmitter for use in gas masks and the like comprises a body member having a central, circular recess in one end thereof and a marginal rim surrounding the recess, a cover member having a complementary central, circular recess in one end thereo...
04/10/1990
4891438Direct conversion of epichlorohydrin to glycidyl azide polymer
The invention disclosed is an improved process for the preparation of hydroxy-terminated aliphatic polyesters having alkyl substituents, such as glycidyl azide polymer. The improved process involves formation of the polymer in a single step starting from ...
01/02/1990
4834685Reversible arming and firing mechanism for marine markers
An improved buoyant pyrotechnic marine marker of the type comprising a water impermeable jacket enclosing a pyrotechnic candle, an ignition device for the candle consisting of a water actuable battery, a candle igniting squib electrically acutated by the ...
05/30/1989
4453544Universal canister mount
A multiple canister mount for receiving at different times different sized bolt connectors of canisters for protective masks and the like. The device comprises a base and a pair of spaced annular rims secured to and upwardly projecting from the base. The ...
06/12/1984
4370221Catalytic hydrocracking of heavy oils
An improved process is described for the hydrocracking of heavy hydrocarbon oil, such as oils extracted from tar sands. The charge oil in the presence of an excess of hydrogen is passed through a tubular hydrocracking zone, and the effluent emerging from ...
01/25/1983
4274158Evacuated diving suit insulation
An insulating material suitable for use in a diver's garment or garment-like apparatus. The insulating material comprises a multiplicity of layers of a flexible, stretchable material. These layers include a central core consisting of a gas permeable, pref...
06/23/1981
4256405Scanning spectrometer
The dispersion means of the present scanning spectrometer comprises an interference filter or diffraction means to be positioned at a known angle to the optical axis of the input flux to the spectrometer. The spectrometer is provided with shutter means fo...
03/17/1981
4232843Molded nozzle for rocket motor
A lightweight, relatively inexpensive rocket nozzle assembly which is heat resistant, ablative and electrically insulating. The body of the nozzle is molded in fibre reinforced thermosetting resin integrally with a forward metallic retaining ring, a rear ...
11/11/1980
4205668Elliptical diffuser drape
A diffuser drape for use in surgical procedures includes a sheet with an elliptical aperture therein for placing over the patient with the aperture defining the area of the proposed surgical incision; an annular, elliptical air duct on and attached to the...
06/03/1980
 
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