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Assignee: National Research Development Corporation (GB2)


Location: Not specified.
No. of patents: 52

1    
NumberTitleIssue Date
4844892Pheromones
Compounds of formula ##STR1## in which R represents hydrogen, formyl or an alkanoyl group of two to twenty-five carbon atoms and R' represents an alkyl group of one to thirty-five carbon atoms are of value as mosquito attractants, mosquitoes bei...
07/04/1989
4839155Iodotamoxifen derivatives and use for estrogen receptor-positive breast cancer detection and therapy
Iodotamoxifen derivatives which are compounds of formula (3) ##STR1## wherein X represents 3- or 4- iodo and R1 and R2, which may be the same or different, represent C1-3 alkyl, especially methyl or ethyl, groups or R...
06/13/1989
4836768Coated substrates
A body having a substrate surface which comprises corrodible material and on which substrate surface is present a coherent protective layer of an anti-corrosion composition which comprises a solid matrix of electrical conductivity ࣙ10-6 mho c...
06/06/1989
4803289Pheromones
Compounds of formula ##STR1## in which R represents hydrogen, formyl or an alkanoyl group of two to twenty-five carbon atoms and R' represents an alkyl group of one to thirty-five carbon atoms are of value as mosquito attractants, mosquitoes bei...
02/07/1989
4777185Phenyl phenoxyphenyl propenyl cyclopropane pesticides
Pesticidal compounds of formula I in which formula: RA represents a group ArCR1 R2 --in which Ar represents a phenyl or naphthyl group optionally substituted by one or more halogen, alkoxy, haloalkoxy, methylenedioxy, C1
10/11/1988
4758612Cement-forming compositions
A hardenable composition which comprises (i) a poly(carboxylic acid) or precursor thereof (as herein defined); (ii) a particulate ion-leachable silicate, aluminosilicate or metal oxide reactable with (i) in the presence of water to set to a hardened compo...
07/19/1988
4757148Intermediate 1-(2-nitro-1-imidazolyl)-3-substituted amino-2-propanols and the corresponding 2,3-butanediols
A compound of formula I ##STR1## in which formula: R1 represents hydrogen or an alkyl group; R2 -R5 represent hydrogen, alkyl aryl, aralkyl or alkaryl group; and n is 1 or 2....
07/12/1988
4751667Method and apparatus for verifying the identity of dynamic memory
The refresh cycle for a bank of dynamic memory is inhibited until a predetermined proportion of the data has corrupted. The pattern of cells in which data has corrupted is characteristic of the individual device and is used to determine whether the indivi...
06/14/1988
4743446Liver fluke antigens derived from juvenile fasciolo organisms
It has been a problem to combat the liver fluke parasite in ruminant animals such as sheep and cattle. The present invention provides antigens having specificity for the juvenile stage of the organism. They are defined as obtainable from juvenile Fasciola...
05/10/1988
4736065Pesticides
A compound of Formula I: ##STR1## wherein: Ar represents a polynuclear carboxyclic or heterocyclic fused ring system having at least one carbocylic or heterocyclic ring of aromatic character, the polynuclear ring system optionally carrying one or ...
04/05/1988
4732617Fluoride-containing compositions
A composition comprising fluoride ion and a polymer which is permselective to fluoride ion is provided for dental prophylaxis or therapy. The composition may be formulated as a gel, for example in a toothpaste; as a dentifrice; or as a mouthwash....
03/22/1988
4722924Peptide substituted penicillins
A compound of formula I or a physiologically acceptable salt thereof ##STR1## wherein X represents sulphur or methylene, R1 represents hydrogen, amino or an acylated or carbamylated amino group, R2 represents hydrogen or an alky...
02/02/1988
4713392Pesticides
A compound of formula II in which formula: RA represents a group ArCR1 R2 -- in which Ar represents a phenyl or naphthyl group optionally substituted by one or more halogen, alkoxy, haloalkoxy, methylenedioxy or C1 -...
12/15/1987
4711863Immobilized extractants
A process for the production of a solid, particulate immobilized extractant, which process comprises adsorbing (a) a liquid extractant which is not homopolymerizable onto (b) a porous, solid, particulate, substrate; adsorbing (c) a monomer onto the substr...
12/08/1987
4697616Fluid flow control apparatus
Apparatus for controlling the flow of water through a pipe including a valve and an orifice plate and supplying a water distribution system comprises a governor actuating a pilot valve in a servo system controlling the valve. The governor has two diaphrag...
10/06/1987
4696944Pesticidal cyclopropane carboxylic acid esters, their compositions and use
A compound of formula I ##STR1## in which formula: Ra represents hydrogen or a C1 -C6 alkyl group, and Rc represents a C1 -C6 alkyl group; Rb represents a phenyl group, optionall...
09/29/1987
4668689Glutarimide derivatives for treating oestrogen-dependent tumors
In the treatment of oestrogen-dependent tumors, it is desirable to improve the therapy obtainable from the compound aminoglutethimide. It has now been found that 3-ethyl-3-(4-pyridyl)glutarimide derivatives of formula ##STR1## wherein: (a) R1
05/26/1987
4661346Immunological compositions including a peptide and osmium or ruthenium tetroxide
Immunogenic compositions comprising a peptide or protein material together with an oxide selected from the group consisting of osmium tetroxide, potassium permanganate and ruthenium oxide, and antibodies raised by the use of such a composition, are of val...
04/28/1987
4661339Sustained release composition
A sustained release device which comprises a source of at least one trace chemical element incorporated in a cement and releasable therefrom on contact with an aqueous medium. A preferred cement is copper phosphate cement....
04/28/1987
4647640Polymer materials
Oriented polymer material of high Young's modulus and low creep strain is provided by a process which comprises drawing polymer material having a weight average molecular weight greater than 150,000 and a ratio of weight average molecular weight to number...
03/03/1987
4631289Useful in radiotherapy of chemotherapy 4-aziridino-1-nitroimidazol-1-yl-2,3-butanediols
A compound of formula I ##STR1## in which formula: R1 represents hydrogen or an alkyl group; R2 -R5 represent hydrogen, alkyl aryl, aralkyl or alkaryl group; and n is 2. The compounds are used as a radiation sensitizing ag...
12/23/1986
4596817Imidazole compounds useful in radiotherapy or chemotherapy and compositions
A chemopotentiating or radiation sensitizing compound of formula I ##STR1## in which formula: R1 represents hydrogen or an alkyl group; R2 -R5 represent hydrogen, alkyl aryl, aralkyl or alkaryl group; and n is 1 or 2 and p...
06/24/1986
4581368Aziridino containing nitro imidazoles and pharmaceutical compositions
A compound of formula I ##STR1## in which formula: R1 represents hydrogen or an alkyl group; R2 -R5 represent hydrogen, alkyl aryl, aralkyl or alkaryl group; and n is 1....
04/08/1986
4569954Dental cement composition comprising poly(carboxylic acid) and chelating agent
A poly(carboxylate) cement pack comprising a water soluble poly(carboxylic acid) having a relative viscosity of from 1.05 to 2.00, a chelating agent and a cement powder which will react with the poly(carboxylic acid) in the presence of the chelating agent...
02/11/1986
4550527Method and material for improving the growth of plants
The invention is concerned with the problem of how best to infect roots of a plant with the beneficial mycorrhizal fungus. Merely mixing the inoculum of the fungus with soil or other growth medium is time-consuming and not very effective. The invention li...
11/05/1985
4551165Mycorrhizal seed pellets
It has been a problem to pellet seeds with inoculum of the beneficial VA mycorrhizal fungus. Hitherto, clay or soil pellets have been tried but they are difficult to adjust to a suitable moisture content and the pellets are too heavy, and there is a probl...
11/05/1985
4546110Pheromones
Compounds which are ଲ-farnesene derivatives obtainable as a Diels-Adler adduct of ଲ-farnesene and a dienophile or by a modification of such an adduct in a manner as defined herein are of value in pest control, particularly in the control of ap...
10/08/1985
4502473Apparatus for external fixation of bone fractures
A non-rigid bone fracture fixator comprising first and second bone pins for connection either side of a bone fracture and primary and secondary supports clamped to the bone pins by respective fixed and guide clamps. The second support and the guide clamps...
03/05/1985
4415522Process for the continuous production of high modulus filament of polyethylene
A process for the production of a high modulus filament of polyethylene which comprises heating high density polyethylene to a temperature above its melting point, extruding the polymer to form a filament, subjecting the filament immediately after extrusi...
11/15/1983
4337186Hardenable compositions
Compositions which are hardenable in the presence of water to form a poly(carboxylate) cement contain a metal salt which accelerates the setting of the composition....
06/29/1982
4294037Production of mycorrhizal fungi
A process for the production of vesicular-arbuscular (VA) mycorrhizal fungi comprises growing a VA mycorrhizal fungus on plant roots in nutrient film culture. The resulting mycorrhizal fungus infected plant roots are of value in producing a mycorrhizal in...
10/13/1981
4275063Pharmaceutical compositions
A pharmaceutical composition useful for aiding regression and palliation of sarcoma, lymphosarcoma and leukaemia in mammals comprises a therapeutically effective amount of a compound of formula ##STR1## wherein R1 and R2 are eac...
06/23/1981
4243507Membrane electrophoresis
The separation of substances by membrane electrophoresis using the principle of isoelectric focussing is improved by the use of membranes of known isoelectric point and having buffering capacity. When such membranes are arranged in series of increasing is...
01/06/1981
4222920Cements
A cement-forming liquid suitable for use as a component of a poly(carboxylate) cement comprises an aqueous solution of a copolymer of acrylic acid, the copolymer having an average molecular weight of less than 20,000, and the solution having a viscosity o...
09/16/1980
4210746Nucleotide inhibitor of protein synthesis
Compounds having properties as inhibitors of protein synthesis are disclosed, of the general formula wherein p represents the phosphate group (orthophosphate), m is 0, 2, or 3 A represents adenosine, n is from 2 to 5, x is 0 or 1, said compound containing at least ...
07/01/1980
4209434Dental cement containing poly(carboxylic acid), chelating agent and glass cement powder
A poly(carboxylate) cement pack comprising a water soluble poly(carboxylic acid) having a relative viscosity of from 1.05 to 2.00, a chelating agent and a cement powder which will react with the poly(carboxylic acid) in the presence of the chelating agent...
06/24/1980
4143018Cements
A poly(carboxylate) cement pack comprises as one component a water soluble poly(carboxylic acid) or a precursor thereof, and as another component an aluminosilicate glass, the ratio of acidic to basic oxides in the glass being selected such that the glass...
03/06/1979
4138619Alternating current electric motors and generators
Three-phase, alternating current, pole-amplitude modulation (P.A.M.) pole-changing electric motors or generators having series/parallel connection of phase winding parts for the alternate pole-members. To obtain approximately equal air-gap flux-density fo...
02/06/1979
4108169Hardenable sheet materials for surgical splints
A water-hardenable sheet material comprising a flexible web having deposited thereon an intimate mixture of a water soluble poly(carboxylic acid) or a precursor thereof and an ion leachable inorganic particulate material....
08/22/1978
4106944Hardenable compositions
Particulate refractory material, e.g. foundry sand, is formed into cores, moulds and other shapes with the use of a binder comprising an ion-leachable inorganic particulate material and an organic polybasic acid or a precursor thereof which reacts with th...
08/15/1978
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