Abstract: An aromatic carbonate having the formula: ##STR1## wherein R' is alkyl and R is alkyl, alkoxy, aryl, aryloxy or NO.sub.2, is prepared by reacting the related phenol or an acyl ester thereof with an alkyl, cyclic or aryl-alkyl carbonate in the presence of a catalyst such as AlCl.sub.3.
Abstract: Novel salts of 1,3-bis-(.beta.-ethylhexyl)-5-amino-5-methyl-hexahydropyrimidine (hexetidine) with substituted benzoic acids and processes of preparing these salts are described. These novel salts have useful bacteriostatic activity and show stability in storage. The invention accordingly comprises compositions containing the novel salts and having bacteriostatic activity.
Type:
Grant
Filed:
November 3, 1976
Date of Patent:
February 27, 1979
Assignee:
Doll GmbH
Inventors:
Wilhelm Kunz, Klaus Posselt, Manfred Lohner
Abstract: Novel compounds exhibiting liquid crystal properties have the formula ##STR1## wherein .phi. is a benzene ring containing hydrogen atoms or an inert substituent therefor at other than the para position, and R and R' are, independently in each case, a hydrocarbyl group containing from about 1 to about 20 carbon atoms, a nitrogen containing group, or a halogen. Novel liquid crystal compositions include at least one of these compounds, preferably present in a mixture of at least two homologous liquid crystal compounds in substantially eutectic proportions. These liquid crystal compounds and compositions have greater nematic stability than their corresponding disubstituted phenylbenzoate analogs. They may be used in liquid crystal displays, particularly field effect nematic liquid crystal displays.
Abstract: A process for reducing aromatic sulfonyl halides with hydrogen sulfide. Hydrogen sulfide is contacted with sulfonyl halides preferably in the presence of a solvent and of a catalyst. The reaction forms thiols and proceeds in the range of between about 50.degree. and 300.degree. C. There is little formation of disulfide and no cleavage of the thiol group.
Abstract: This invention provides .alpha.-substituted-vinyl menthyl carbonate esters, and further provides menthol-release oligomeric and polymeric derivatives thereof corresponding to the formula: ##STR1## WHEREIN R is a member selected from the group consisting of aliphatic, alicyclic and aromatic hydrocarbon radicals containing between 1 and about 10 carbon atoms, and n is an integer varying between 2 and about 200.This invention further provides a smoking composition comprising an admixture of tobacco and a polymeric composition as described herein as a menthol-release agent.
Type:
Grant
Filed:
October 8, 1976
Date of Patent:
November 28, 1978
Assignee:
Philip Morris, Incorporated
Inventors:
Harvey J. Grubbs, Thomas V. Van Auken, William R. Johnson, Jr.
Abstract: Certain novel carbamates and thiolcarbamates are broad spectrum herbicides, which can be applied to the locus of undesired vegetation either preemergence or postemergence. Typical representatives of this class of compounds are methyl N-(N-cyclohexylcarbamoyl-N',N'-dimethylamidino)-N-methylcarbamate and methyl N-[1-(3-cyclohexyl-1-methylureido)-1-dimethylaminomethylene]carbamate.
Abstract: New 4-alkylsulfonyloxyphenyl N-alkylthiolcarbamates of the formula ##STR1## wherein each of R.sub.1 and R.sub.2 is a lower alkyl having from 1 to 6 carbon atoms and X is hydrogen, chlorine or methyl. The compounds have excellent effect on the prevention of the soil born plant diseases.
Abstract: A process for preparing alkaline earth metal mercaptides in a two-step process, useful as synergists for organotin stabilizers in halogen containing resins such as polyvinyl chloride, comprising: (1) reacting a metallic oxide or hydroxide of the metal desired in the final mercaptide; a magnesium, aluminum or calcium alkoxide; and an alcohol to provide an alkoxide of the metal of the final mercaptide; and then (2) reacting the final alkoxide of (1) with a mercaptan to provide the desired metal mercaptide.
Abstract: Iodinated thiolcarbonates and a method for using the same as radiographic contrast agents in connection with such X-ray techniques as myleography, lymphography, hysterosalpingography, bronchography and sialography. The general formula of such iodonated thiolcarbonate compounds may be characterized as ##STR1## wherein R represents an iodinated phenyl linked to the sulfur through a lower alkylene group consisting of a straight or branched chain having from 1 to 5 carbon atoms and R.sub.1 is a lower alkyl group consisting of a straight or branched chain having from 1 to 10 carbon atoms.
Abstract: A phenol is reacted with sulphur trioxide in the presence of liquid hydrogen fluoride to form a 4,4'-dihydroxydiphenylsulphone. A molar excess of hydrogen fluoride and stoichiometric proportions of sulphur trioxide and phenol or a slight excess of sulphur trioxide over phenol are preferred.
Abstract: Industrially useful alkylphenyl sulfides are produced in high yield from phenyl mercaptan as a raw material by reaction of the phenyl mercaptan with an alkyl alcohol or dialkyl ether, or alkyl mercaptan or dialkyl sulfide having 1 to 4 carbon atoms as a novel alkylating agent at an elevated temperature, for example, 150.degree. to 600.degree. C, in a gaseous phase.
Abstract: Chloromethyl thiocyanate is prepared by reacting bromochloromethane with an alkali or alkaline earth thiocyanate or with ammonium thiocyanate in the presence of water and an onium salt as a catalyst.
Type:
Grant
Filed:
October 26, 1977
Date of Patent:
November 7, 1978
Inventors:
Heribert Offermanns, Werner Schwarze, Rudolf Vanheertum
Abstract: An N-[4-(substituted benzyloxy)phenyl]-N'-methyl-N'-methoxyurea of the formula: ##STR1## wherein X, which may be the same or different, is halogen, nitro, cyano, trifluoromethyl, lower alkyl or lower alkoxy and n is an integer of 1 to 5, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of soybean, kidney bean, peanut, cotton or rice plants without any material toxicity to mammals and said crop plants.
Abstract: A process is described for preparing metal alkyl carbonates, useful as carboxylating agents, which comprises reacting an inorganic metal salt with an aliphatic monohydric alcohol containing 1 to 3 carbon atoms and carbon dioxide under substantially anhydrous conditions in the presence of a solid acid acceptor, said alcohol being employed in sufficient amount to form a solution of the resulting metal alkyl carbonate in the alcohol.
Type:
Grant
Filed:
April 11, 1977
Date of Patent:
October 31, 1978
Assignee:
Allied Chemical Corporation
Inventors:
Stylianos Sifniades, Allen A. Tunick, Herbert C. Wohlers
Abstract: Biologically active derivatives of benzamide and methods for preparation thereof are disclosed. These derivatives specifically have anti-fungal activity and are characterized by the following general formula: ##STR1## wherein R is H or a saturated or unsaturated alkyl radical of 1-6 carbons; R' is a nitro group, a halogen, a saturated or unsaturated alkyl radical of 1-6 carbons, a cycloalkyl radical of 5 or 6 carbons, or a phenyl, benzyl, or naphthyl radical that is mono- or bis-substituted with a lower alkyl or alkoxy radical; X is H, a lower alkyl radical, or a halogen; and Y is O or S.
Abstract: An aryl sulphur compound of formula (I) : ##STR1## where R.sup.1 is C.sub.1-4 alkyl; Ar is a phenyl group optionally substituted by halogen or C.sub.1-4 alkyl and wherein Z is S or SO, having antiallergy activity.
Type:
Grant
Filed:
September 30, 1977
Date of Patent:
October 24, 1978
Assignee:
Lilly Industries Limited
Inventors:
Delme Evans, John Christopher Saunders, William Robert Nigel Williamson
Abstract: Thio substituted ethynylbenzene compounds and their derivatives which are useful for the treatment for the relief of inflammation, pain and fever.
Abstract: Novel S-aryl N-cycloalkylthiolcarbamates, such as S-4-methoxyphenyl N-cyclohexylthiolcarbamate, which are useful for controlling pea aphids, and the method of controlling pea aphids with the compounds are disclosed.
Abstract: Benzoyloxybenzoates having the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are lower alkyl or cycloalkyl,X is oxygen or sulfur, andR.sup.5 is alkyl, aryl, alkaryl or hydrogenAre useful as stabilizers of organic materials such as polyolefins.