Patents Assigned to SANDOZ
  • Patent number: 4076838
    Abstract: This invention provides new compounds of formula I, ##STR1## wherein R.sub.1 is hydrogen or alkyl of 1 or 2 carbon atoms;R.sub.2 is hydrogen or halogen of atomic number from 9 to 35;A.I. each of R.sub.3 and R.sub.4 is hydrogen, orIi. R.sub.3 and R.sub.4 together are oxygen, andI. R.sub.5 is hydrogen or alkyl of 1 to 4 carbon atoms, orIi. R.sub.5 and R.sub.7 are attached to the same carbon atom, and form an alkylene chain of 3 to 6 carbon atoms, orB. when A as defined hereinafter is --(CH.sub.2).sub.2 --R.sub.3 is hydrogen and R.sub.4 and R.sub.5 together form a bond;R.sub.6 is hydrogen or alkyl of 1 to 4 carbon atoms; andA is --(CH.sub.2).sub.n --,Wherein n is 0, 1 or 2 depending on the following:n may be 0 provided that R.sub.3 and R.sub.4 together are oxygen;n may be 1 provided that (i) at least one of R.sub.5, R.sub.6 and R.sub.7 is alkyl of 1 to 4 carbon atoms; (ii) R.sub.5 and R.sub.7 together form an alkylene chain of 3 to 6 carbon atoms; or (iii) R.sub.2 is halogen, R.sub.3 and R.sub.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: February 28, 1978
    Assignee: Sandoz Ltd.
    Inventor: Trevor Glyn Payne
  • Patent number: 4075163
    Abstract: The purpose of the invention are new benzene phosphonous acid compounds in which two to four benzene nuclei are bound together and which contain one to three phosphorus atoms. The new compounds are free acids, their salts with inorganic cations, their esters, thioesters or amides. The invention concerns also the manufacture of these benzene phosphonous acid compounds and their use for the stabilization of organic materials.
    Type: Grant
    Filed: March 19, 1976
    Date of Patent: February 21, 1978
    Assignee: Sandoz Ltd.
    Inventors: Kurt Hofer, Guenther Tscheulin
  • Patent number: 4073915
    Abstract: The present invention relates to the use of the known compound 4-(1-methyl-4-piperidylidene)-4H-benzo 4,5!cyclohepta 1,2-b!thiophen-10(9H )-one for the prevention and treatment of allergic conditions such as allergic asthma.
    Type: Grant
    Filed: March 3, 1977
    Date of Patent: February 14, 1978
    Assignee: Sandoz Ltd.
    Inventor: Ulrich Martin
  • Patent number: 4073297
    Abstract: The invention concerns a novel catheter for placement in an artery, vein or fistula vessel of a patient, through which blood may be withdrawn or delivered to the patient, which comprises a catheter wall, the inside surface of which defines a lumen having a cross-sectional area in a proximal end region of the catheter which is larger than the cross-sectional area of the lumen defined in a distal end region of the catheter, at least one opening being provided in the wall of the catheter in the region of its distal end through which blood may be passed.Various catheter assemblies employing a catheter such as described above are disclosed.
    Type: Grant
    Filed: February 11, 1976
    Date of Patent: February 14, 1978
    Assignee: Sandoz Ltd.
    Inventor: Klaus F. Kopp
  • Patent number: 4073936
    Abstract: The compounds are 4-aryl substituted buta-2,3-dienoic acids and esters thereof which may also be lower alkyl-substituted at any of the 2- and 4- positions, e.g., 4-(p-methoxyphenyl)-2-methyl-buta-2,3-dienoic acid. The compounds are useful as pharmaceuticals, e.g., as antiinflammatory agents and hypolipidemic agents.
    Type: Grant
    Filed: November 17, 1976
    Date of Patent: February 14, 1978
    Assignee: Sandoz, Inc.
    Inventors: Eugene E. Galantay, Faizulla G. Kathawala
  • Patent number: 4073909
    Abstract: This invention provides new compounds of formula I, ##STR1## wherein R is lower alkyl or cycloalkyl of 3 to 7 carbon atoms; cycloalkyl of 3 to 7 carbon atoms substituted by alkyl of 1 to 4 carbon atoms; .alpha.-dialkylpropinyl or .alpha.-dialkylallyl of 5 to 9 carbon atoms; hydroxyalkyl of 2 to 7 carbon atoms, the hydroxy group thereof being separated by at least two carbon atoms from the nitrogen atom to which R is bound; phenethyl; phenethyl substituted by halogen, alkyl or alkoxy of 1 to 4 carbon atoms; or adamantyl,R.sub.1 is hydrogen, halogen, alkyl or alkoxy of 1 to 4 carbon atoms, trifluoromethyl in the 5, 6 or 7 position, or a nitro or A--NH-- group in the 4 or 5 position, wherein A is formyl or alkanoyl of 2 to 4 carbon atoms, andR.sub.2 is hydrogen, or, when R.sub.1 is alkyl of 1 to 4 carbon atoms, also alkyl of 1 to 4 carbon atoms, or, when R.sub.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: February 14, 1978
    Assignee: Sandoz Ltd.
    Inventors: Franz Troxler, Erik Wiskott
  • Patent number: 4072672
    Abstract: Disclosed are basic dyes, e.g., azo dyes and anthraquinone dyes free from sulphonic acid groups and which contain, as characteristic group, a group of the formula ##STR1## in which R and R.sub.1, independently, are substituted or unsubstituted C.sub.1-4 alkyl or are linked to form a ring, orOne of R and R.sub.1 is --NH.sub.2 or C.sub.1-4 alkoxy, the other substituted or unsubstituted alkyl,R.sub.2 and R.sub.3, independently, are hydrogen or C.sub.1-4 alkyl,Y is a bridging group,Q is unsubstituted or substituted phenyl, biphenylyl, naphthyl or ##STR2## in which R.sub.7 is ##STR3## where R.sub.8 ic C.sub.1-4 alkyl, andA.sup.- is an anion. These dyes are useful for the dyeing and printing of polymers and copolymers of acrylonitrile and asymmetrical dicyanoethylene as well as polyesters and polyamides modified to contain acid groups. The dyes build-up well and exhibit good pH stability and stability to boiling.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: February 7, 1978
    Assignee: Sandoz Ltd.
    Inventor: Beat Henzi
  • Patent number: 4072700
    Abstract: Disclosed are compounds of formula I, ##STR1## wherein R.sub.1 is hydrogen, carboxy, alkoxycarbonyl, aminocarbonyl, mono- or dialkylaminocarbonyl, benzimidazolonyl-5-aminocarbonyl or phenylaminocarbonyl, the phenyl radical of which is unsubstituted or substituted by up to 3 substituents selected from up to 3 from chlorine, bromine and methyl and up to 2 from cyano, nitro, methoxy, ethoxy and trifluoromethyl,R.sub.2 is hydrogen, halogen, alkoxy or nitro, andR.sub.3 and R.sub.4 are, independently, hydrogen, halogen, nitro, alkyl, alkoxy, alkoxycarbonyl, aminocarbonyl, mono- or dialkylaminocarbonyl, phenylaminocarbonyl, alkylcarbonylamino, alkoxycarbonylamino, benzoylamino or benzylcarbonylamino,Their production and use as pigments for plastics, paper, paints, varnishes, spin dyeing of cellulose acetate, textile coating and pigment printing.
    Type: Grant
    Filed: September 9, 1975
    Date of Patent: February 7, 1978
    Assignee: Sandoz Ltd.
    Inventors: Hans Bohler, Rolf Griesser
  • Patent number: 4072756
    Abstract: The invention concerns novel compounds of the formula: ##STR1## wherein n is 1, 2 or 3 R.sub.1 is lower alkylR.sub.2 is hydrogen or lower alkyl andA is a tricyclic moiety,Useful as sedative-neuroleptic, muscle-relaxant and sleep-promoting agents.
    Type: Grant
    Filed: May 13, 1976
    Date of Patent: February 7, 1978
    Assignee: Sandoz Ltd.
    Inventors: Anton Ebnother, Jean-Michel Bastian, Fulvio Gadient, Andre Stoll
  • Patent number: 4071630
    Abstract: This invention provides new compounds of formula I, ##STR1## wherein R is alkyl of 3 to 7 carbon atoms or cycloalkyl of 3 to 7 carbon atoms, cycloalkyl of 3 to 7 carbon atoms monosubstituted by alkyl of 1 to 4 carbon atoms, .alpha.-dialkylpropynyl of 5 to 9 carbon atoms or .alpha.-dialkyl-allyl of 5 to 9 carbon atoms, hydroxyalkyl of 2 to 7 carbon atoms or phenoxyalkyl of 8 to 11 carbon atoms, the oxygen atom of the last two radicals being separated by at least two carbon atoms from the nitrogen atom to which R is bound,R.sub.1 isI. hydrogen or alkyl of 1 to 4 carbon atoms in the 2,3,6 or 7 position, orIi. chlorine or bromine, in the 2, 3 or 7 position,Iii. nitro or --NHA wherein A is alkanoyl of 1 to 4 carbon atoms, in the 2, 3 or 7 position, orIv. fluorine, cyano or COOB, wherein B is alkyl of 1 to 4 carbon atoms, in the 2 or 3 position, andR.sub.2 isI. hydrogen or alkyl of 1 to 4 carbon atoms in the 2, 3, 6 or 7 position,Ii. chlorine or bromine, in the 2, 3 or 7 position, orIii.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: January 31, 1978
    Assignee: Sandoz Ltd.
    Inventors: Erik Wiskott, Franz Troxler
  • Patent number: 4071516
    Abstract: Anti-inflammatories and analgesics of the formula: ##STR1## wherein R.degree. is alkyl, R is hydrogen, alkyl, halo, nitro or R"' OOC--, R' is hydrogen, alkyl or halo, R" is a hydrolyzable carboxylic acid acyl group and R"' is hydrogen or alkyl.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: January 31, 1978
    Assignee: Sandoz, Inc.
    Inventor: Hans J. Schwarz
  • Patent number: 4071557
    Abstract: Substituted aminophenyl ketones such as 2-alkylaminobenzophenones are prepared by reacting a corresponding 2-aminophenyl ketone with a ketone or aldehyde, a borohydride and strong acid.
    Type: Grant
    Filed: January 29, 1976
    Date of Patent: January 31, 1978
    Assignee: Sandoz, Inc.
    Inventors: Paul G. Mattner, Joseph A. Smith
  • Patent number: 4070236
    Abstract: DISCLOSED is a process for the production of paper and paper-like products which comprises the step of incorporating in the pulp a retention agent comprising a polyalkylene oxide of molecular weight in excess of 1 million and a phenol- or naphthol-formaldehyde or -sulphur resin.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: January 24, 1978
    Assignee: Sandoz Ltd.
    Inventors: Jean-Pierre Carrard, Helmut Pummer
  • Patent number: 4070468
    Abstract: Anti-allergic 2-amino-quinolin-4-one-3-phosphonic acid esters are prepared by reacting an isatoic anhydride with the carbanion resulting from the treatment of an organo-methane phosphate with a proton abstracting agent.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: January 24, 1978
    Assignee: Sandoz, Inc.
    Inventors: Goetz E. Hardtmann, Gary M. Coppola
  • Patent number: 4067873
    Abstract: This invention provides compounds of formula I, ##STR1## wherein R is alkyl of 3 to 7 carbon atoms; cycloalkyl of 3 to 7 carbon atoms; cycloalkyl of 3 to 7 carbon atoms monosubstituted with alkyl of 1 to 4 carbon atoms; .alpha.-dialkylpropinyl of 5 to 9 carbon atoms; .alpha.-dialkylallyl of 5 to 9 carbon atoms; hydroxyalkyl of 2 to 7 carbon atoms, the hydroxy group thereof being separated by at least two carbon atoms from the nitrogen atom to which R is bound; phenethyl; phenethyl mono- or disubstituted in the phenyl residue independently when di-substituted with halogen of atomic number from 9 to 35, alkyl of 1 to 4 carbon atoms or unbranched alkoxy of 1 to 4 carbon atoms; or adamantyl; andEither R.sub.1 is phenyl and R.sub.2 is hydrogen;Or R.sub.1 is alkyl of 1 to 4 carbon atoms or halogen of atomic number from 9 to 35 and R.sub.
    Type: Grant
    Filed: March 19, 1976
    Date of Patent: January 10, 1978
    Assignee: Sandoz Ltd.
    Inventors: Franz Troxler, Erik Wiskott
  • Patent number: 4066665
    Abstract: Compounds of the formula ##STR1## wherein R and R.sup.o are lower alkyl, R' is optionally substituted phenyl or 2-thienyl and n is 0 to 2, and their salt forms, are prepared by reacting a compound of the formula: ##STR2## with an aromatic nitrile and strong base, and quenching with water when the free base form is desired, said first mentioned compounds being intermediates for quinazolinones.
    Type: Grant
    Filed: June 19, 1974
    Date of Patent: January 3, 1978
    Assignee: Sandoz, Inc.
    Inventor: William G. Salmond
  • Patent number: 4065503
    Abstract: Hypolipidemic agents of the formula: ##STR1## wherein X is C.dbd.O or CHOH,R.degree. is branched lower alkyl,R is hydrogen, alkyl, or halo,n is 1 or 2, andR' and R" are hydrogen, halo, alkyl or alkoxy, e.g., 4-phenoxy-pivalophenone.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: December 27, 1977
    Assignee: Sandoz, Inc.
    Inventor: Faizulla G. Kathawala
  • Patent number: 4065447
    Abstract: Disclosed are azo dyes of the formula ##STR1## wherein R.sub.1 is an aliphatic or aryl group,R.sub.2 is cyano, alkoxycarbonyl or substituted alkoxycarbonyl,R.sub.3 is an aliphatic or aryl group, andK is a coupling component radical,The synthesis thereof and the use thereof for the dyeing and printing of textile and non-textile substrates. The disclosed disperse dyes are useful for dyeing and printing synthetic and semi-synthetic, hydrophobic, high molecular weight materials such as linear aromatic polyesters, polyamides, cellulose 21/2 acetate and cellulose triacetate. The obtained dyeings have satisfactory fastness properties, particularly fastness to light, thermofixation, sublimation and pleating.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: December 27, 1977
    Assignee: Sandoz Ltd.
    Inventor: Armand Jotterand
  • Patent number: 4064232
    Abstract: The immunogenic components from influenze viruses are isolated by selectively solubilizing the component in an aqueous media with a cationic detergent.
    Type: Grant
    Filed: May 18, 1976
    Date of Patent: December 20, 1977
    Assignee: Sandoz Ltd.
    Inventors: Helmut Bachmayer, Gerhard Schmidt
  • Patent number: 4064246
    Abstract: Hydroxymethyl-substituted-2(1H)-quinazolinones, e.g., 7-hydroxymethyl-1-isopropyl-4-phenyl-2(1H)-quinazolinone, are useful as anti-inflammatory agents.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: December 20, 1977
    Assignee: Sandoz, Inc.
    Inventor: Eugene A. Papp