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Assignee: Bayer Aktiengesellschaft


Location: DT
No. of patents: 19

NumberTitleIssue Date
4094861Process for the production of non-inflammable polytriazines
Non-inflammable, high molecular weight polytriazines are obtained by condensing less than 3 mols of polyfunctional (amino)phenols with 1 mol phosphorus (oxy) trihalide in the presence of a base, subsequently reacting the still free primary amino or phenol...
06/13/1978
4094852Process for the production of polytriazines in the presence of high-boiling esters
A polytrimerizable mixture of 30 to 99.9% by weight of at least one aromatic, polyfunctional cyanic acid ester or a prepolymer thereof, and 0.1 to 70% by weight of at least one high-boiling ester with a boiling point above 250° C at 760 Torr, Said mixture res...
06/13/1978
4092089Apparatus for the preparation of melt-sprayed spherical phenacetin granules
An apparatus for melt-spraying thermally sensitive material of low viscosity comprises a heatable multi-screw extruder having intermeshing, self-cleaning screws of specified clearance between the screws and between the screws and the extruder housing, a h...
05/30/1978
4089860Preparation of hydantoins by reacting esters of ethylene-1,2-dicarboxylic acids and ureas and thioureas
A process for the preparation of (thio) hydantoins modified with carboxylic ester groups, wherein 1,2-ethylene dicarbocylic acid esters which may be substituted are reacted with (thio) urea compounds in a single stage reaction....
05/16/1978
4088780Substituted phenylguanidines and processes for their preparation and use
N-[2-(Substituted amido)phenyl]-N',N"-bis-carbonylguanidines bearing an optionally substituted phenoxy, phenylthio, phenylsulfinyl or phenylsulfonyl group in the 4- or 5-position of the 2-(substituted amido)-phenyl group are anthelmintic agents. The compo...
05/09/1978
4086346Preparation of melt-sprayed spherical phenacetin granules
Substantially spherical granules of phenacetin are prepared by spraying liquid phenacetin which has been melted without decomposition by means of rapid passage through a melting device in which superheating is minimized. The resultant melt-sprayed granule...
04/25/1978
4086341Cephalosporin derivatives
Penicillin and cephalosporin derivatives characterized by the presence of a nitroalkyl, nitrocycloalkyl, nitrophenylalkyl or nitroanilinoalkyl group in the side chain are antibacterial agents. The compounds, of which 6-(2-nitro-3,3-dimethylbutyrylamido)-p...
04/25/1978
4081596Pyrazol-5-ones
1-Substituted pyrazol-5-ones of the formula ##STR1## and pharmaceutically acceptable, nontoxic salts thereof, wherein R is hydrogen, amino, alkyl, alkenyl, phenyl or trifluoromethyl; R1 is hydrogen, alkyl, alkenyl, unsubstituted or substituted ...
03/28/1978
4081539Penicillins and cephalosporins and their production
ଲ-Lactams of the formula ##STR1## and pharmaceutically acceptable nontoxic salts thereof wherein A is hydrogen or alkyl of 1 to 4 carbon atoms; B is phenyl, methylphenyl, chlorophenyl, hydroxyphenyl or cyclohexa-1,4-dien-1-yl; R is a moiety of ...
03/28/1978
40616531-Substituted-3-amino-pyrazol-5-ones
1-Substituted-3-amino-pyrazol-5-ones of the formula ##STR1## or a pharmaceutically acceptable non-toxic salt thereof wherein R is A. PHENYL SUBSTITUTED BY ONE OR TWO IDENTICAL OR DIFFERENT SUBSTITUENTS SELECTED FROM THE GROUP CONSISTING OF ALKYL, PHE...
12/06/1977
4046796Process for the production of polyfunctional cyanic acid esters
Highly pure aromatic polyfunctional cyanic acid esters having a high stability in storage and being extraordinary suitable for use as starting compound for the production of plastics by cyclopoly-trimerization are obtained by a special process. Alkaline e...
09/06/1977
4038340Unsaturated polyester resins which have radicals of monohydric alcohols as terminal groups
Unsaturated polyester resins, the polyesters of which contain 0.3 - 0.7 moles, relative to the alcohol component, of units of monohydric alcohols are outstandingly suitable for the production of cured lacquer films which are uniformly matt without matting...
07/26/1977
40369671,2,4-Triazole antimycotic compositions and use thereof
Antimycotic compositions are produced which comprise an antimycotically effective amount of a 1,2,4-triazole of the formula: ##STR1## or a pharmaceutically acceptable non-toxic salt thereof wherein X1 is hydrogen or alkyl; X2 is...
07/19/1977
4032655Phenylguanidines useful as anthelmintic agents
N-[2-(Substituted amido)phenyl]-N',N"-bis-carbonylguanidines bearing an optionally substituted phenoxy, phenylthio, phenylsulfinyl or phenylsulfonyl group in the 4- or 5-position of the 2-(substituted amido)phenyl group are anthelmintic agents. The compou...
06/28/1977
4031052Aqueous stoving lacquer containing &3xb5;-caprolactam as a reactive diluent
Aqueous polyester and alkyd resin stoving lacquers containing &3xb5;-caprolactam as a so-called reactive diluent and small quantities of volatile organic solvents yield excellently hard coatings which are not brittle....
06/21/1977
4025492Thermoplastic copolyesters and a process for their production
The heat distortion resistance and the molecular weight of polypropylene terephthalate and polybentylene terephthalate can be increased by cocondensing up to 10 mol-% of aliphatic diols containing 5 to 10 carbon atoms or of cycloaliphatic diols containing...
05/24/1977
4005123Substituted phenylisothioureas and processes for their preparation and use
N-[2-(Substituted amido)phenyl]-N'-carbonyl-S-substituted isothioureas bearing an optionally substituted phenoxy, phenylthio, phenylsulfinyl or phenylsulfonyl group in the 4- or 5-position of the 2-(substituted amido)-phenyl group are anthelmintic agents....
01/25/1977
4005037Polycarbonate-polyvinyl chloride moulding compounds
Process for the production of vinyl chloride polymers modified with aromatic polycarbonate, characterized in that mixtures of olefinically unsaturated monomers containing at least 70 % by weight of vinyl chloride are polymerized by radical polymerization ...
01/25/1977
4001348Unsaturated polyester resins containing additional accelerators
Polyester moulding and coating compositions based on polyester resins of: A. from 20 to 90% by weight based on the sum of components (A) and (B), of ଱,ଲ-ethylenically unsaturated polyesters, and B. from 80 to 10% by weight based on the sum of components...
01/04/1977
 
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