Patents in Class 424/123

Matches 51 - 100 out of 109

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Match	Document	Document Title
51	4169140	Antibiotics SF-1771 substance and SF-1771-B substance as well as the production of these substances A new antibiotic SF-1771 substance is produced by cultivating a new strain, Streptomyces toyocaensis SF-1771, in a liquid culture medium under aerobic conditions. This antibiotic may be isolated...
52	4164567	Process for recovering macromomycin There is provided a process for recovering macromomycin (hereinafter referred to as MCR) which comprises adding coagulants or coagulants and neutralizers to a culture filtrate saturated with...
53	4105550	Preparation of sterile products A sterile product is to be prepared from a substance which is dissolved in a solution. The first step in the preparation consists of subjecting the solution to a sterilizing filtration. Thereafter,...
54	4104369	Lymphosarcin and method of producing lymphosarcin A new methyl pentaene, lymphosarcin, is provided by the culturing of a new strain of Streptomyces murinus. Lymphosarcin exhibits antineoplastic activity.
55	4102999	Process for producing stable macromomycin powder There is provided a process for producing a stable macromomycin (hereinafter often referred to as MCR) powder which comprises adding a stablilizer selected from the group consisting of saccharides,...
56	4049793	Preparations for local treatment of acne vulgaris The invention provides a novel preparation, preferably in ointment form, for local treatment of acne vulgaris, methods for production of the same and method for treatment of acne vulgaris therewith.
57	4022886	Method of recovering mycoheptin Mycoheptin, an antifungal antibiotic, is obtained by extracting the antibiotic from the mycelium with a 65 to 80-percent aqueous solution of isopropanol which contains from 1 to 10 percent by...
58	4014994	Process for the recovery and purification of partricin The present invention is concerned with a new and improved process for the recovery of the polyene antibiotic partricin, wherein a surface-active agent is added to a fermented liquor containing...
59	4014992	Acetylated watersoluble extracts of corynebacteria, process for obtaining them and their use There is disclosed a process for obtaining acetylated watersoluble extracts of corynebacteria and specifically of Corynebacterium parvum, of low molecular weight. Said process comprises acetylating...
60	4013788	Watersoluble extracts of corynebacteria, process for obtaining them and their use Watersoluble extracts of corynebacteria cells are obtained by a process which comprises the steps of subjecting bacterial residues of corynebacteria containing diaminopimelic acid, e.g....
61	4009262	Antibiotic A-28086 recovery process Recovery of an antibiotic selected from the group consisting of antibiotic A-28086 factor A, antibiotic A-28086 factor B, antibiotic A-28086 factor D, and salinomycin by acidifying the fermentation...
62	4006222	Purification of nystatin Crude, partially purified, or contaminated nystatin is purified by suspending the nystatin starting material in a lower alkanol, treating the suspension with an organic acid, filtering the...
63	4001399	Process for the production of monopropionyl-josamycin-2 Alkanoyl-josamycins having no bitter taste, in which at least one of the two secondary hydroxyl groups of Josamycin is acylated (introduction of alkanoyl group).
64	3950516	Process for preparing cirramycin A.sub.1 The specification discloses a process for preparing cirramycin A 1 which comprises fermentation of cirramycin B 1 and subsequent conversion thereof to cirramycin A 1 by incubation in the...
65	3950515	Animal feeds containing antibiotic AV290 This disclosure describes a reversible complex of antibiotic AV290 with an alkali metal alkyl sulfate and a process for preparing same. The complex is useful as an animal feed supplement which...
66	3929993	Process for removing copper from copper-containing bleomycin group antibiotics A copper-free form of phleomycin-bleomycin group antibiotics with very small residual copper content and unreduced antitumor activity may be obtained in high yields by contacting an aqueous...
67	3923650	Process for reducing the biological and chemical oxygen demand of spent antibiotic fermentation broth A process is provided for reducing the biological and chemical oxygen demand of spent antibiotic fermentation broth which comprises treating the aqueous fermentation broth with or without one or...
68	3911113	Recrystallization process for the purification of nystatin Crude, partially purified, or contaminated nystatin is purified by suspending the nystatin starting material in a solvent mixture of a water-miscible lower alkanol, water, and a solubilizing agent,...
69	3906093	Mithramycins and process therefor Mithramycins A, B, and C, methods for their production by fermentation using Streptomyces argillaceus, a new species of Actinomycete, or a new strain of Streptomyces plicatus, and methods for their...
70	3869346	Process for the preparation of antimycin a Improved process for the preparation of Antimycin A in which a suitable source of assimilable carbon is added during fermentation together with continuous control of pH at about pH 6.0, and an...
71	3856937	PROCESS FOR ISOLATION OF ANTIBIOTIC AV290 This disclosure describes a reversible complex of antibiotic AV290 with an alkali metal alkyl sulfate and a process for preparing same. The complex is useful as an animal feed supplement which...
72	3832462	ANTIBIOTIC AV290-SYNTAN COMPLEXES AND ANIMAL FEED SUPPLEMENTS This disclosure describes a reversible complex of antibiotic AV290 with a synthetic tanning agent and a process for preparing same. The complex is useful as an animal feed supplement which...
73	3717707	ANTIBIOTIC B-2847RB AND PRODUCTION THEREOF A novel antibiotic B-2847RB, which is obtained by reducing antibiotic B-2847Y and/or antibiotic B-2847R, shows strong antimicrobial activities against Gram-positive bacteria and is characterized by...
74	3694548	ENDURACIDIN DERIVATIVES Enduracidin derivatives which have anti-microbial activity are produced by catalytic reduction of Enduracidin or a salt thereof.
75	3625830	CULTIVATING STREPTOMYCES DESDANUS VAR. DESDANUS TO PRODUCE DESDANINE Microbiological process for preparing the antibiotic desdanine which does not require the addition of an ω-alkylthio-α-amino acid to the fermentation medium. Desdanine can be used for preventing...
76	3616211	PROCESS FOR PRODUCING DEOXYRIBONUCLEIC ACID An antibiotic characterized by the property that it bonds with deoxyribonucleic acid to form an adduct, and represented by phleomycin, is purified by combining the crude material with...
77	3616242	HYDROLYSIS PROCESS FOR THE PREPARATION OF RUBIDOMYCIN The antibiotic rubidomycin, otherwise known as "13,057 R.P.," is obtained by subjecting the antibiotic 13,213 R.P. to acid hydrolysis at a temperature between 10° and 75° C. for a length of time...
78	3531567	XEROSIN FRACTIONS AND METHOD OF PREPARATION
79	3517100	ISOLATION OF NYSTATIN
80	3517099	PRODUCTION OF A CYCLOSERINE-O-CARBAMYL-D-SERINE COMPOSITION
81	3517101	CRYSTALLIZATION OF NYSTATIN
82	3509255	PROCESS FOR THE RECRYSTALLIZATION OF NYSTATIN
83	3505449	PRODUCTION OF A CYCLOSERINE-O-CARBAMYL-D-SERINE COMPOSITION
84	3480610	ALKALINE EXTRACTION OF M PROTEIN FROM GROUP A HEMOLYTIC STREPTOCOCCI AND PRODUCTS THEREOF
85	3476856	PROCESS FOR PRODUCING THE SODIUM SALT OF NYSTATIN AND LEVORIN
86	3459853	O-MYCAMINOSYL TYLONOLIDE AND A PROCESS FOR THE PREPARATION THEREOF
87	3413398	Purification of polymyxin
88	3332844	Process for recovering nystatin
89	3300379	Antibiotic thermorubin and methods of preparing the same
90	3244592	Ascomycin and process for its production
91	3155578	Antibiotic a22765 and process of production
92	3155585	Antibiotic produced by pseudomonas syringae
93	3102843	Isolation of mycoribnin-t6p
94	3070505	Antibiotic process
95	3044935	Purification of crude carzinophilin
96	3035919	Lignin-bacitracin complex as growth stimulant and bacitracin purifier
97	2951790	Ristocetin recovery and aromatic aldehyde derivative of ristocetin
98	2931726	Method of producing a growth regulator for rumen organisms in treatment of rumen dysfunctions
99	2920998	Viomycin
100	2895952	Purification of novobiocin

Matches 51 - 100 out of 109

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