Compositions and method for inhibition of sebum synthesis
Granted: January 7, 1986
Patent Number:
4563473
Novel sebum synthesis inhibiting compositions comprising a sebum inhibiting effective amount of at least one compound selected from the group consisting of compounds of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and acyl of an organic carboxylic acid free of additional carboxyl group and their non-toxic, pharmaceutically acceptable acid addition salts and an inert pharmaceutical carrier and to a novel method of inhibiting sebum synthesis in…
Process for preparing biomass attached to a carrier
Granted: December 24, 1985
Patent Number:
4560479
In a process for the production and maintenance of well-adhering biomass attached to carrier particles capable of decomposing contaminants in waste water containing both well-adhering and non-adhering microorganisms wherein a granular carrier is contacted in a reaction space with a continuous stream of waste water containing both well-adhering and non-adhering microorganisms and nutrients for the growth and the maintenance of the microorganisms in an adherent layer until a sufficiently…
Dehalogenation process of a penicillanic acid derivative
Granted: November 19, 1985
Patent Number:
4554104
A novel process for the preparation of high purity penicillanic acid-1,1-dioxide comprising subjecting 6,6-dibromo-penicillanic acid-1,1-dioxide to dehalogenation with magnesium in association with an acid in high yields.
Preparation of 20-keto-.DELTA..sup.16 -steroids
Granted: November 5, 1985
Patent Number:
4551278
A novel process for the preparation of 20-keto-.DELTA..sup.16 -steroids comprising reacting a 17-(isocyanosulfonylmethylene)-steroid with an alkylating agent QR.sub.4 wherein R.sub.4 is an organic group and Q is a group or atom readily displaced with a nucleophile to form a 20-isocyano-20-sulfonyl-.DELTA..sup.16 -steroid followed by hydrolysis which are intermediates for the preparation of corticosteroids and the novel intermediates formed therein.
Process for the preparation of 21-hydroxy-20-keto-.DELTA..sup.16 -steroids and new intermediate compounds formed in this process
Granted: October 22, 1985
Patent Number:
4548749
A novel process for the preparation of 21-hydroxy-20-keto-.DELTA..sup.16 -steroids comprising reacting a 17-(isocyanosulfonylmethylene)-steroid with an aldehyde and an alcohol to form a 17-(2-alkoxy-3-oxazolin-4-yl)-.DELTA..sup.16 -steroid and subjecting the latter to hydrolysis to obtain the corresponding 21-hydroxy-20-keto-.DELTA..sup.16 -steroid which are useful to prepare corticoid steroids and novel intermediates.
Process for the preparation of penicillanic acid 1,1-dioxides
Granted: July 9, 1985
Patent Number:
4528135
A process for the preparation of penicillanic acid-1,1-dioxides of the formula ##STR1## wherein X is selected from the group consisting of hydrogen and substituent such as halogen or acetoxy and R is selected from the group consisting of hydrogen, a pharmaceutically acceptable metal ion and/or ester radical comprising debrominating a 6-.alpha.-bromo- and/or 6,6-dibromo-penicillanic 1,1-dioxide selected from the group consisting of the formula ##STR2## wherein X and R have the above…
Vaccines
Granted: May 7, 1985
Patent Number:
4515777
Vaccines derived from aviair reo-virus to combat aberations of the skeleton such as rachitis--like symptoms, diarrhoea and growth inhibition, a process for their preparation as well as combined, inactivated vaccines, ready for administration and active against at least Newcastle disease and aberations of the skeleton, diarrhoea and growth inhibition and process for the preparation of such vaccine. The combined vaccine is prepared by addition of a Newcastle disease virus (NDV) containing…
Infectious bronchitis vaccine for poultry
Granted: March 19, 1985
Patent Number:
4505892
Infectious bronchitis (IB) vaccines for poultry derived from at least one novel virus strain of novel infectious bronchitis serotypes, selected from the group consisting of culture Nos. CNCTC A 07/80, CNCTC A 08/80, CNCTC A 09/80, CNCTC A 010/80, CNCTC A 011/80, CNCTC A 013/80, CNCTC A 014/80, CNCTC A 015/80 and CNCTC A 016/80 deposited at the Czechoslovak National Collection of Type Cultures of the Institute of Hygiene and Epidemiology in Prague, Czechoslovakia and the novel viruses per…
Infectious bronchitis virus strain
Granted: February 19, 1985
Patent Number:
4500638
Infectious bronchitis (IB) vaccines for poultry derived from at least one novel virus strain of novel infectious bronchitis serotypes, selected from the group consisting of culture Nos. CNCTC A 07/80, CNCTC A 08/80, CNCTC A 09/80, CNCTC A 010/80, CNCTC A 011/80, CNCTC A 013/80, CNCTC A 014/80, CNCTC A 015/80 and CNCTC A 016/80 deposited at the Czechoslovak National Collection of Type Cultures of the Institute of Hygiene and Epidemiology in Prague, Czechoslovakia and the novel viruses per…
Infectious bronchitis vaccine for poultry
Granted: February 12, 1985
Patent Number:
RE31830
Infectious bronchitis (IB) vaccines for poultry derived from at least one novel virus strain of novel infectious bronchitis serotypes, selected from the group consisting of culture Nos. CNCTC A 07/80, CNCTC A 08/80, CNCTC A 09/80, CNCTC A 010/80, CNCTC A 011/80, CNCTC A 013/80, CNCTC A 014/80, CNCTC A 015/80 and CNCTC A 016/80 deposited at the Czechoslovak National Collection of Type Cultures of the Institute of Hygiene and Epidemiology in Prague, Czechoslovakia and the novel viruses per…
Preparation of thioethers
Granted: January 29, 1985
Patent Number:
4496720
A novel process for the preparation of thioethers comprising reacting a silylated thiol of the formulaR--S--SiR.sub.1 R.sub.2 R.sub.3 Iwherein R is an organic group and R.sub.1, R.sub.2 and R.sub.3 are individually selected from the group consisting of alkyl of 1 to 4 carbon atoms with an organic halide, sulfate or sulfonate in the presence of hexamethylphosphoric triamide as a solvent or co-solvent preferably under neutral conditions in aprotic solvents at a temperature between…
Sludgeless oxidative biological purification process
Granted: December 25, 1984
Patent Number:
4490258
An oxidative biological purification process for waste water in a fluidized-bed reactor at a pH between 5 and 8 in the oxidation space comprising passing waste water upwards through an air-sparged oxidation space containing aerobic biomass attached to insoluble carrier particles of a size of 0.1 to 2 mm with a specific gravity of 2 to 5 g/cm.sup.3 at such a rate that space loads of COD of 4-50 kg/m.sup.3 day are achieved while continuously and completely separating purified waste water…
Vaccines
Granted: November 6, 1984
Patent Number:
4481188
Infectious bronchitis vaccines for poultry derived from at least a virus strain of a novel serotype of the infectious-bronchitis virus (IBV), identified by the internal indication Gelderland. 901 and Brabant. 802, which have been deposited at the Czechoslovak National Collection of Type Cultures of the Institute of Hygiene and Epidemiology under the numbers CNCTC AO 17/81 and CNCTC AO 18/82 and at the Collection Nationale de Cultures de Microorganismes d'Institut Pasteur, under Nos.…
4-[2-[Bis(halophenyl)methoxy]-ethyl]-.alpha.-(substituted phenyl)-1-piperazinealkanol derivatives, processes for their preparation and pharmaceutical preparations containing them
Granted: October 9, 1984
Patent Number:
4476129
The invention relates to new piperazine derivatives of the general formula ##STR1## in which R' and R.sup.2 each represents 1, 2 or 3 halogen atoms, which may be the same or different,R.sup.3 represents a hydrogen atom or 1, 2 or 3 halogen atoms, X represents a hydroxy, C.sub.1-4 alkoxy, phenylcarbamoyloxy or C.sub.1-4 alkylcarbamoyloxy group,Y represents a hydrogen atom or a C.sub.1-3 alkyl group, or X and Y together with the carbon atom to which they are linked represent a carbonyl…
Plasmid and its use
Granted: July 17, 1984
Patent Number:
4460688
Plasmid conferring resistance to streptomycin (Sm.sup.R) and neomycin (Neo.sup.R) upon its host (e.g. a Bacillus, Staphylococcus or Escherichia coli) and which after having taken up a foreign DNA fragment at one of its restriction sites with loss of its Sm.sup.R or Neo.sup.R phenotype, is still capable of replicating and expressing genetic information in its host.
Process for combatting and/or preventing allergic diseases employing natamycin
Granted: April 10, 1984
Patent Number:
4442091
The invention provides a method for combatting and/or preventing allergic diseases which are caused by house-dust mites by treating said mites or places or areas which are afflicted or may be afflicted by said mites with an effective amount of natamycin.
Plasmid and its use
Granted: February 7, 1984
Patent Number:
4430434
Plasmid conferring resistance to streptomycin (Sm.sup.R) and neomycin (Neo.sup.R) upon its host (e.g. a Bacillus, Staphylococcus or Escherichia coli) and which after having taken up a foreign DNA fragment at one of its restriction sites with loss of its Sm.sup.R or Neo.sup.R phenotype, is still capable of replicating and expressing genetic information in its host.
Process for the preparation of 6-aminopenicillanic acid-1,1-dioxide
Granted: December 27, 1983
Patent Number:
4422971
A novel process for the preparation of 6-aminopenicilanic acid-1,1-dioxide and its non-toxic, pharmaceutically acceptable salts by deacylation of a penicillin-1,1-dioxide or its salts of which the 3-carboxylic acid is protected by such an easily removable group that a "one-pot process" is possible.
Novel rabies virus strain and a process for its preparation
Granted: August 23, 1983
Patent Number:
4400472
A novel rabies virus strain No. 675 deposited in the Czechoslovak National Collection of Type Cultures of the Institute of Hygiene and Epidemiology in Prague under number CNCTO AO 4/77, novel living or inactivated cell culture vaccines derived therefrom, a process for the isolation of the virus strain as well as a process for the preparation of the said vaccines and novel method of immunizing warm-blooded animals against rabies.
Silylation process
Granted: August 23, 1983
Patent Number:
4400509
An improved process for the trimethylsilylation of organic compounds with at least one active hydrogen atom with hexamethyldisilazane, the improvement comprising effecting the reaction in the presence of 0.001 to 10 mole percent of a catalyst of the formulaX--NH--Y Iwherein X and Y are individually an electron-withdrawing group or when X is an electron-withdrawing group, Y is selected from the group consisting of hydrogen and trialkylsilyl of 1 to 6 carbon atoms or X and Y together with…
