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Patent No. 5443036

Method of exercising a cat

A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.

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Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government


Location: GB
No. of patents: 59

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NumberTitleIssue Date
6312886Reaction vessels
Apparatus for effecting reactions comprising a plurality of reaction vessels for holding reagents, an electrically conducting polymer which emits heat when an electric current is passed through it, and control device for controlling supply of current to t...
11/06/2001
6287781Method for detection of target nucleic acids using PCR
A method for detecting the presence of a target nucleic acid sequence in a sample is provided. The method comprises subjecting the sample to an amplification reaction to obtain an amplification product where the target nucleic acid sequence is present usi...
09/11/2001
6121448Pyrimidine compounds
The synthesis of novel compound (I) is described: 5-bromo-2-iodopyrimidine may be used for the synthesis of a range of chemical compounds both known and novel. The synthesis of a number of novel liquid crystalline compounds is described....
09/19/2000
6099752Liquid crystal polymers
Compounds of formula ##STR1## are provided which may be used in a variety of devices including liquid crystal devices, piezoelectric devices, pyroelectric devices and in optical recording media, wherein X1 and X2 are independent...
08/08/2000
6060133Polysiloxanes
A compound of formula I ##STR1## wherein n=3-30; X and Y are independently chosen from C1-6 alkyl, phenyl or formula II: (CH2)p O--M II wherein p=1-20 and M is a group of formula III: ...
05/09/2000
6051639Liquid crystal macrocycles
A material of general formula I: ##STR1## where E=0 indicates a non-cyclic system, and E=1 indicates a cyclic system; G is R3 SiR1 R2 (O)k R1, R2, R3 are independently selected f...
04/18/2000
6030668Liquid crystal polymers
Compounds of formula ##STR1## are provided which may be used in a variety of devices including liquid crystal devices, piezoelectric devices, pyroelectric devices and in optical recording media, where m=at least 5; and Rx, Ry an...
02/29/2000
6010641Liquid crystal polymer devices and materials
Methods for loading and alignment of liquid crystal polymers in electro-optic and electro-active devices comprise in-situ polymerisation between substrates of monomer material in the presence of a cationic initiator. This allows for the synthesis of liqui...
01/04/2000
5986096Pyrimidine compounds
5-Bromo-2-iodopyrimidine is used to synthesize a range of chemical compounds including liquid crystalline compounds....
11/16/1999
5985285Vaccines for plague
A method of protecting a human or animal body from the effects of infection with Y. pestis is provided comprising administering to the body a vaccine including Yersinia pestis V antigen and Yersinia pestis F1 antigens or a protective epitopic part of each...
11/16/1999
5968411Liquid crystal polymers
Liquid crystal polymer materials used in liquid crystal devices, piezoelectric devices, pyroelectric devices and recording media are described....
10/19/1999
5969713Drive circuit for a matrix-type display apparatus
The drive circuit for a matrix-type display apparatus is a scanning driver for selecting one scanning electrode respectively for four selection periods, and displaying data of each bit for four bits in a pixel on the selected electrode. The scanning drive...
10/19/1999
5948142Pressure and temperature swing adsorption and temperature swing adsorption
A method is provided for separating one or more volatile contaminant components from a gas using a pressure and temperature swing adsorbent filtration filter bed system containing three or more layers of adsorbent materials characterized in that the layer...
09/07/1999
5948486Liquid crystal polymer devices
A method for the loading and alignment of liquid crystal polymers in electro-optic and electro-active devices by in-situ polymerization between substrates of liquid crystal monomers. The molecular weight of the resulting liquid crystal polymer is controll...
09/07/1999
5932672Fibre reactive polymers
Permanently stain resistant nylon and cellulosic fibers, and a method to impart permanent stain resistance to polyamide or cellulosic fibers, by covalently binding a stain resistant composition to a linking compound that has been covalently attached to th...
08/03/1999
5928859Detection and biodegradation of explosives
An enzyme capable of catalyzing the removal of nitrite from pentaerythritol tetranitrate (PETN) is provided. The enzyme (known as PETN reductase enzyme) is produced by culturing a novel strain of the Enterobacter cloacae bacterium isolated from nature. Th...
07/27/1999
5928561Polymers for liquid crystal alignment
A method of aligning liquid crystal material by bringing into contact with a thin layer of polymer which contains the anthracenyl group, the polymer having previously been treated with plane polarised ultraviolet light. A liquid crystal cell is described ...
07/27/1999
5922460Composite materials
A metal matrix composite material made of a fiber reinforcement having a coating of gadolinium and gadolinium boride, preferably as discrete layers, each having a thickness of 1 to 6 microns. This composite is made by coating reinforcing fibers with gadol...
07/13/1999
5918259Cellular material detection apparatus and method
A method and apparatus for monitoring a gaseous environment for the presence of cellular material capable of providing a measure of presence and/or numbers of cellular microorganisms, such as bacterial cells, in a large volume of air such as in a warehous...
06/29/1999
5905260Triboluminescent damage sensors
A damage sensor for detecting damage within a structure such as aircraft wings or fuselage, or a bridge. The sensor comprises a small piece of a triboluminescent material connected via light guiding fibres or layers to one or more detectors. The sensor ma...
05/18/1999
5873914Method for dyeing synthetic materials with vat dyestuffs
A method is provided for dyeing a non-cellulosic organic material with a dye, preferably a vat dye, comprising (a) treating the material with a dye in the presence of a reducing agent and an alkali and (b) oxidising the treated material produced in step (...
02/23/1999
5866038Liquid crystal polyacrylates
There is disclosed a liquid crystal polyacrylate mono- or co-polymers having a repeat unit (I), wherein R1 and R2 are independently alkyl or hydrogen, R3 is alkyl, hydrogen or chlorine, m is 0 or an integer 1-20, W is a li...
02/02/1999
5861109Liquid crystal materials, mixtures and devices
Liquid crystal compounds of formula I may be used by themselves or they may be mixed with other liquid crystal compounds to give useful liquid crystal mixtures which may then be used in liquid crystal devices. The materials exhibit smectic mesophases and ...
01/19/1999
5837465Luciferase labelling method
Luciferase is conjugated to a chemical entity, particularly to a specific binding agent such as an antibody, antigen or a nucleic acid, and more particularly an antibody, by (a) mixing the luciferase with one or more of D-luciferin, magnesium ions and ade...
11/17/1998
5835056Apparatus for directing a mobile craft to a rendevous with another mobile craft
Tracking means for establishing a line-of-sight between a control point to which the second craft is being guided and tracking the line-of-sight to follow the second craft and deriving a signal a representing the rate of rotation of the line-of...
11/10/1998
5820786Ferroelectric liquid crystal devices
Ferroelectric liquid crystal devices are described which contain liquid crystal mixtures comprising components A and B. Component A consists of one or more optically active compounds capable of imparting a spontaneous polarization to the material. Compone...
10/13/1998
5820781Naphthyl organic compounds
R1 --A--(X)m --(B)n --R2 (I) R3 --J--(Y)p --(Z)q --R4 (II) Liquid crystal compounds of formula (I) are described, where formula (I) is given as R
10/13/1998
5817583Radar attenuating textiles
Textile materials having radar attenuating properties based upon a polymer enclosed scrim having hollows which are at least partially filled with radar attenuating material. The scrim is sandwiched between two or more polymeric layers, the spaces being th...
10/06/1998
5798214Capture asays
A method is provided for determining the presence and/or amount of a microorganism and/or its intracellular material present in a sample performed by: (a) exposing the sample to a specific binding agent that has been immobilized upon a solid substrate, th...
08/25/1998
5798143CVD process for making a hollow diamond tube
A method for producing hollow diamond tubes by diamond growth using chemical vapor deposition (CVD) techniques. Suitable substrate material, such as tungsten, molybdenum, copper or silicon, typically in the form of wire, having diamond nucleation sites is...
08/25/1998
5773710Cellular material detection apparatus and method
A method and apparatus for monitoring a gaseous environment for the presence of cellular material capable of providing a measure of presence and/or numbers of cellular microorganisms, such as bacterial cells, in a large volume of air such as in a warehous...
06/30/1998
5741604Diffusion barrier layers
A method of applying a stable intermetallic diffusion barrier layer to a metallic article is described. In many instances, protective coatings are incompatible with the material of the substrate to which they are applied. Such incompatibility is overcome ...
04/21/1998
5710242High temperature epoxy resins from hydrogenated quinoxalines
A multi-functional epoxy resin with good high temperature properties allowing prolonged service at temperatures above 120° C. is derived from a precursor of formula (I): ##STR1## in which R3 to R8 inclusive are independently se...
01/20/1998
5676878Liquid crystal polymers
A liquid crystal polymer or copolymer is disclosed of structure (A) where X=CN, COR, CO2 R, CHO, CF3 ; R=branched chain, straight chain or chiral alkyl; .rect-hollow.=any suitable mesogenic group; Z=single covalent bond, oxygen, sulf...
10/14/1997
5665829Process for the polymerization of olefinic-containing monomers employing anionic initiators
Siloxy-terminated hydrocarbon polymers containing at least one polymer chain per molecule of the formula: ##STR1## wherein R1, R2 and R3 are independently selected from saturated and unsaturated aliphatic and aromatic...
09/09/1997
5648232Microbiological best method and reagents
A method for detecting the presence and/or mount of microorganisms is described by adding adenosine diphosphate (ADP) to a sample suspected of containing microorganisms and/or their intracellular material, determining the amount of adenosine triphosphate ...
07/15/1997
5635997Color display device
A color display device (10) incorporates three light sources (12) supplying red, green and blue light respectively. A spatial light modulator (20) is positioned to provide time varying selective blocking of light from the sources (12) under television sig...
06/03/1997
5632929Liquid crystal polymers
A novel LCP material based on forked side chain acrylates is disclosed having a general formula I; ##STR1## wherein W=H, CH3, Cl R1 and R2 may or may not be the same but have the following general structure: ##ST...
05/27/1997
5612056Transdermal formulations
An improved transdermal delivery composition is provided comprising a low molecular weight fatty acid, characterised in that it further comprises a long chain fatty acid or a long chain fatty acid lower alkyl ester, wherein the long chain is a C13
03/18/1997
5611957Ferroelectric liquid crystal device
Multiplex addressed ferroelectric liquid crystal devices containing liquid crystal mixtures composed of components A, B and C. Component A consists of one or more optically active compounds capable of imparting a spontaneous polarization to the material. ...
03/18/1997
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