Patents by Inventor Leslie H. Smith
Leslie H. Smith has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4550111Abstract: Alkanolamine derivatives of the formula ##STR1## wherein Ar is phenyl or napthyl which is unsubstituted or which bears one or two defined substituents, or Ar is certain defined heterocyclic or bicyclic aromatic systems;wherein R.sup.1 is halogen, cyano, trifluoromethyl or trifluoromethylthio;wherein either R.sup.2 and R.sup.3 each is hydrogen or alkyl, or R.sup.2 is hydrogen and R.sup.3 is cycloalkyl or cycloalkyl-alkyl, or R.sup.2 and R.sup.3 are joined to form, together with the adjacent nitrogen atom, a heterocyclic group;wherein either R.sup.4 is hydrogen and R.sup.5 is hydrogen or alkyl, or R.sup.4 is hydrogen and R.sup.5 and R.sup.6 are joined together to form alkylene, or R.sup.4, R.sup.5 and R.sup.6 are joined together to form alk-1-yl-.omega.-ylidene;wherein either R.sup.6 and R.sup.7 each is hydrogen or alkyl, or R.sup.6 is joined to R.sup.4 or to R.sup.4 and R.sup.5 as defined above and R.sup.7 is hydrogen or alkyl, or R.sup.6 and R.sup.7 are joined together to form alkylene, or one of R.sup.Type: GrantFiled: January 19, 1983Date of Patent: October 29, 1985Assignee: Imperial Chemical Industries plcInventors: Jeffrey J. Barlow, Leslie H. Smith
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Patent number: 4419363Abstract: Novel 1-aryloxy-3-amidoamidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. Representative of the compounds disclosed is 1-(o-cyanophenoxy)-3-.beta.-(2-thenamidoacetamido)ethylaminopropan-2-ol.Type: GrantFiled: June 4, 1982Date of Patent: December 6, 1983Assignee: Imperial Chemical Industries PLCInventor: Leslie H. Smith
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Patent number: 4399138Abstract: Novel alkanolamine derivatives of the formula: ##STR1## wherein Ar is phenyl or naphthyl which is unsubstituted or which bears one or two substituents selected from halogen, trifluoromethyl, hydroxy, amino, nitro, carbamoyl, carbamoylmethyl and cyano, and alkyl, alkenyl, alkoxy, alkenyloxy, alkylthio, alkanoyl and alkanoylamino each of up to 6 carbon atoms, or Ar is 4-indolyl, 4-benzo[b]thienyl, 5-benzo[1,4]dioxanyl, 4- or 5-indanyl, 5- or 6- 1,2,3,4-tetrahydronaphthyl), 2,3-dihydroxy-1,2,3,4-tetrahydronaphth-5-yl or 4- morpholino-1,2,5-thiadiazol-3-yl;wherein R is halogen;wherein A.sup.1 is alkylene of 2 to 6 carbon atoms; andwherein A.sup.2 is alkylene of 1 to 7 carbon atoms which in unsubstituted or bears a phenyl, hydroxy or carbamoyl substituent, or A.sup.2 is cycloalkylene of 3 to 6 carbon atoms;or acid-addition salts thereof.The compounds possess either .beta.-adrenergic blocking activity or diuretic activity or both such activities and may be used in the treatment of heart disease or hypertension.Type: GrantFiled: February 2, 1982Date of Patent: August 16, 1983Assignee: Imperial Chemical Industries PLCInventors: Jeffrey J. Barlow, Leslie H. Smith
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Patent number: 4387099Abstract: Novel 1-heterocyclyloxy- or 1-aryloxy-3-amido-alkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. The compounds possess .beta.-adrenergic blocking activity. Representative of the compounds disclosed is 1-(4-indolyloxy)-3-.beta.-isobutyramidoethylamino-2-propanol.Type: GrantFiled: February 12, 1982Date of Patent: June 7, 1983Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4346111Abstract: Novel 1-aryloxy-3-amidoamidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. Representative of the compounds disclosed is 1-(o-cyanophenoxy)-3-.beta.-(2-thenamidoacetamido)ethylaminopropan-2-ol.Type: GrantFiled: December 12, 1980Date of Patent: August 24, 1982Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4327113Abstract: Novel 1-heterocyclyloxy- or 1-aryloxy-3-amidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. The compounds possess .beta.-adrenergic blocking activity. Representative of the compounds disclosed is 1-(4-indolyloxy)-3-.beta.-isobutyramidoethylamino-2-propanol.Type: GrantFiled: December 12, 1980Date of Patent: April 27, 1982Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4318921Abstract: Novel 1-aryloxy-3-amidoamidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. Representative of the compounds disclosed is 1-(o-cyanophenoxy)-3-.beta.-(benzamidoacetamido)ethylaminopropan-2-ol.Type: GrantFiled: November 30, 1979Date of Patent: March 9, 1982Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4260632Abstract: Novel 1-heterocyclyloxy-or 1-aryloxy-3-amidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. The compounds possess .beta.-adrenergic blocking activity. Representative of the compounds disclosed is 1-(4-indolyloxy)-3-.beta.-isobutyramidoethylamino-2-propanol.Type: GrantFiled: February 22, 1980Date of Patent: April 7, 1981Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4221807Abstract: Novel 1-heterocyclyloxy-or 1-aryloxy-3-amidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. The compounds possess .beta.-adrenergic blocking activity. Representative of the compounds disclosed is 1-(4-indolyloxy)-3-.beta.-isobutyramidoethylamino-2-propanol.Type: GrantFiled: February 26, 1979Date of Patent: September 9, 1980Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4219561Abstract: 1-Aryloxy-3-(tri- or tetra-acylamido)-alkylamino-propan-2-ol derivatives, processes for their manufacture and pharmaceutical compositions containing them. The compounds possess .beta.-adrenergic blocking activity and are useful in the treatment of heart diseases such as angina pectoris, cardiac arrhythmias and hypertension. Representative of the compounds disclosed is 1-(o-chlorophenoxy)-3-.beta.-(phenylacetamido-.gamma.-butyramido-.gamma.-b utyramido)-ethylamino-2-propanol.Type: GrantFiled: September 15, 1978Date of Patent: August 26, 1980Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4211878Abstract: Novel 1-aryloxy-3-amidoamidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. Representative of the compounds disclosed is 1-(o-cyanophenoxy)-3-.beta.-(2-thenamidoacetamido)ethylaminopropan-2-ol.Type: GrantFiled: October 5, 1977Date of Patent: July 8, 1980Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4200652Abstract: Novel 1-aryloxy-3-carbamoylalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. The compounds possess .beta.-adrenergic blocking activity. Representative of the compounds disclosed is 1-(2-cyanophenoxy)-3-.beta.-(N-2-furfurylcarbamoyl)ethylamino-2-propanol.Type: GrantFiled: August 2, 1978Date of Patent: April 29, 1980Assignee: Imperial Chemical Industries LimitedInventors: Michael S. Large, Leslie H. Smith
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Patent number: 4171374Abstract: Novel 1-aryloxy-3-amidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. The compounds possess .beta.-adrenergic blocking activity and some of them additionally possess cardiac stimulant activity. Representative of the compounds disclosed is 1-(2-fluorophenoxy)-3-.beta.-(3-benzylureido) ethylamino-2-propanol.Type: GrantFiled: February 16, 1978Date of Patent: October 16, 1979Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4167581Abstract: 1-Aryloxy-3-aminoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. The compounds possess .beta.-adrenergic blocking activity and some of them additionally possess cardiac stimulant activity. Representative of the compounds disclosed is 1-(2-cyanophenoxy)-3-.beta.(4-hydroxyphenylacetamido)ethylamino-2-propanol .Type: GrantFiled: November 1, 1978Date of Patent: September 11, 1979Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4141987Abstract: Novel 1-heterocyclyloxy- or 1-aryloxy-3-amidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. The compounds possess .beta.-adrenergic blocking activity. Representative of the compounds disclosed is 1-(4-indolyloxy)-3-.beta.-isobutyramidoethylamino-2-propanol.Type: GrantFiled: April 14, 1977Date of Patent: February 27, 1979Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith
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Patent number: 4131685Abstract: 1-Aryloxy-3-amidoalkylamino-2-propanol derivatives, processes for their manufacture, pharmaceutical compositions containing them and methods of using them in the treatment of heart diseases. The compounds possess .beta.-adrenergic blocking activity and some of them additionally possess cardiac stimulant activity. Representative of the compounds disclosed is 1-phenoxy-3-.beta.-isobutyramidoethylamino-2-propanol.Type: GrantFiled: February 23, 1978Date of Patent: December 26, 1978Assignee: Imperial Chemical Industries LimitedInventor: Leslie H. Smith