Abstract: There is disclosed a process for the preparation of compounds of formula I ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.8 alkyl or cyclopentyl or cyclohexyl,m is 0, 1, 2 or 3,n is 1 or 2, andR.sub.3, depending on the value of n, is C.sub.4 -C.sub.20 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.2 -C.sub.4 alkylene, or C.sub.4 -C.sub.12 alkylene which is interrupted by oxygen,by reaction of a compound of formula II ##STR2## wherein R is methyl or ethyl, with a compound of formula IIIR.sub.3 (OH).sub.n (III)which reaction is carried out in the presence of magnesium acetate as catalyst.
Abstract: Compounds of formulaA(B).sub.x, (I),whereinx is an integer from 1 to 4,A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxazine, phthalocyanine or azo series, which radical contains x N-atoms attached to B, preferably with at least one directly adjacent or conjugated carbonyl group,B is a group of formula ##STR1## and, if x is 2, 3 or 4, may also be one, two or three hydrogen atoms. The symbols Q, R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, Y, Z, m and n, are as defined in claim 1. These carbamate group-containing soluble chromophores am distinguished by outstanding solid state fluorescence in the UV range as well as the by ease with which they can be converted to the corresponding pigments in the substrate in which they are incorporated.
Type:
Grant
Filed:
October 6, 1994
Date of Patent:
October 1, 1996
Assignee:
Ciba-Geigy Corporation
Inventors:
Zhimin Hao, John S. Zambounis, Abul Iqbal
Abstract: The invention relates to a process for the preparation of a compound of formula ##STR1## useful as intermediate for the preparation of pesticides, wherein R is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 10 halogen atoms or by from 1 to 3 radicals selected from the group consisting of C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio and phenyl, phenyl or phenyl substituted by from 1 to 3 radicals selected from the group consisting of halogen, methyl, ethyl, methoxy, methylthio and nitro, which comprises reacting with hydrazine hydrate a compound of formula ##STR2## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 9 chlorine atoms, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 alkylsulfinyl, C.sub.1 -C.sub.
Abstract: Compounds of the formula (I) ##STR1## in which m and n are numbers from 1 to 50; A is --O-- or >N--R.sub.6 where R.sub.6 is e.g. hydrogen or C.sub.1 -C.sub.18 alkyl; R.sub.1 and R.sub.4, which may be identical or different, are C.sub.1 -C.sub.18 alkyl, phenyl, C.sub.1 -C.sub.8 alkoxy, OH, ONa or OK; R.sub.2 is e.g. C.sub.2 -C.sub.12 alkylene; R.sub.3 is e.g. hydrogen or C.sub.1 -C.sub.8 alkyl; R.sub.5 is e.g. a group of the formula ##STR2## in which R.sub.9 is e.g. 2,2,6,6-tetramethyl-4-piperidyl; A' has one of the meanings of A; p is e.g. 1 and R.sub.10 is e.g. C.sub.2 -C.sub.18 alkylene; X.sub.1 has one of the meanings of R.sub.1 or is a group (R.sub.27).sub.3 SiO-- where R.sub.27 is C.sub.1 -C.sub.18 alkyl; X.sub.2 is hydrogen, Na, K, C.sub.1 -C.sub.8 alkyl or a group (R.sub.27).sub.3 Si-- with R.sub.27 as defined above and, when m+n is a number from 3 to 10, X.sub.1 and X.sub.
Abstract: An ophthalmic lens disinfection apparatus, including a container and a mating cap, she apparatus having an improved seal and vent means for venting gas generated within the apparatus. The vent means is an integral part of the disinfection apparatus which allows venting of gas when internal pressure increases, while maintaining a seal which is substantially gas and liquid-impermeable at other times. The seal is defined by the interference mating of a flexible periphery on a container with a rigid mating rim on a cap. The apparatus is particularly useful in the disinfection of contact lenses with hydrogen peroxide in which the excess peroxide is decomposed into water and oxygen.
Abstract: There is described a low-foaming, nonsilicone, aqueous textile auxiliary composition comprising(a) a homopolymer of an ethylenically unsaturated sulfonic or carboxylic acid or an anhydride thereof,(b) a nonionic surfactant of formula ##STR1## wherein R is an aliphatic radical of at least 8 carbon atoms,R.sub.1 is hydrogen, C.sub.1 -C.sub.8 alkyl, a cycloaliphatic radical of at least 5 carbon atoms, styryl, an unsubstituted or halogen substituted C.sub.1 -C.sub.10 alkylisocyanato or an unsubstituted or by a hetero atom substituted cycloalkylisocyanato or cycloalkenylisocyanato radical,"alkylene" denotes an alkylene radical of 2 to 4 carbon atoms, andp is an integer from 2 to 60, and optionally(c) a hydrotropic agent.The textile auxiliary composition is suitable for use as dispersants and for wetting, washing and/or bleaching fiber materials.
Type:
Grant
Filed:
June 7, 1995
Date of Patent:
September 24, 1996
Assignee:
Ciba-Geigy Corporation
Inventors:
Christian Guth, Albert Stehlin, Christoph Krohnke
Abstract: A process for aftertreating tanned leather and pelts to impart a very soft and supple handle and good fullness to them, which comprises subjecting the leather or pelts to an aftertreatment with a polymer which is obtainable by (a) polymerising a monoethylenically unsaturated dicarboxylic anhydride of 4 to 8 carbon atoms or a mixture of said dicarboxylic anhydrides, and (b) thereafter partially esterifying and/or amidating the polymer with (b.sub.1) a C.sub.1 -C.sub.30 alcohol and/or a primary or secondary amine and/or (b.sub.2) the reaction product of (.alpha.) an unsaturated or saturated C.sub.1 -C.sub.30 fatty alcohol, a C.sub.8 -C.sub.22 fatty acid, a C.sub.8 -C.sub.22 fatty amine or a C.sub.8 -C.sub.22 fatty amide and (.beta.) ethylene oxide and/or propylene oxide in the molar ratio 1:2 to 1:20, and, optionally, hydrolysing the anhydride groups of the homopolymer with an aqueous base.
Abstract: Novel plant proteins (SAFPs) which synergize the activity of antifungal antibiotics are identified. SAFPs are demonstrated to synergize antifungal antibiotics, such as nikkomycins, polyoxins and amphotericins. SAFPs alone also display antifungal activity against several species of fungi, including strains of Candida, Trichoderma, Neurospora and strains of the plant pathogens Fusarium, Rhizoctonia and Chaetomium. Synergistic antifungal compositions containing SAFP and antifungal antibiotics are provided. In particular, synergistic compositions of corn-SAFP (zeamatin), sorghum-SAFP (sormatin) or oat-SAFP (avematin) and nikkomycin are found to be effective as antifungal compositions, especially against the opportunistic human pathogen Candida albicans. Method for employing SAFPs and synergistic compositions containing them for the inhibition of fungi are provided. In addition, a method for purifying SAFP from grain meal is provided.
Type:
Grant
Filed:
June 1, 1995
Date of Patent:
September 24, 1996
Assignee:
Ciba-Geigy Corporation
Inventors:
Walden K. Roberts, Claude P. Selitrennikoff, Bridget E. Laue, Sharon L. Potter
Abstract: .delta.-Amino-.gamma.-hydroxy-.omega.-aryl-alkanoic acid amides of formula I ##STR1## and the salts thereof, have renin-inhibiting properties and can be used as antihypertensive medicinal active ingredients.
Type:
Grant
Filed:
April 4, 1995
Date of Patent:
September 24, 1996
Assignee:
Ciba-Geigy Corporation
Inventors:
Richard G oschke, J urgen K. Maibaum, Walter Schilling, Stefan Stutz, Pascal Rigollier, Yasuchika Yamaguchi, Nissim C. Cohen, Peter Herold
Abstract: The dyestuffs of the formula ##STR1## in which A, R.sub.1, M and n are as defined in claim 1, are suitable for dyeing paper with good light-fastness.
Abstract: The invention relates to monoclonal antibodies that react specifically with members of the genus Mycosphaerella and hybridomas that produce such antibodies. The invention is further directed to a method for making a hybridoma cell line that produces monoclonal antibodies that react specifically with at least one species of Mycosphaerella, and a method of obtaining monoclonal antibodies therefrom. Methods and kits for diagnosing Mycosphaerella infections in plant material using such monoclonal antibodies are also within the scope of the invention.
Type:
Grant
Filed:
September 26, 1994
Date of Patent:
September 24, 1996
Assignee:
Ciba-Geigy Corporation
Inventors:
Frank P. Petersen, Mark D. Clymer, Sally A. Miller, James H. Rittenburg, G. David Grothaus
Abstract: Mixtures of a herbicidally effective amount of a haloacetamide of formula I ##STR1## and, to antagonize the herbicide, an antidotally effective amount of a compound of formula IIR--CHYCl (II)wherein R is defined herein, suitable for controlling weeds in crops of cultivated plants, particularly maize.
Abstract: Tris-aryl-s-triazines which contain from one to three resorcinol derived moieties with at least one of said moieties substituted at the 5-position with an alkyl, phenylalkyl, halogen, thio or sulfonyl group have UV spectra which are red-shifted to the near UV range and provide excellent stabilization to polymeric substrates against the deleterious effects of actinic light.
Type:
Grant
Filed:
July 27, 1994
Date of Patent:
September 17, 1996
Assignee:
Ciba-Geigy Corporation
Inventors:
Tyler A. Stevenson, Ramanathan Ravichandran, Mark S. Holt, Thuy N. Phan, Jean-Luc Birbaum, Vien V. Toan
Abstract: Azo oxime ethers of formula (I), in which X is CH or N, R.sub.1 is hydrogen, C.sub.1 -C.sub.3 alkyl, trifluoromethyl or cylclopopy and R.sub.2 is aryl or heteroaryl, have an activity against phytopathogenic fungi. They can be used in the form of formulaions as crop protection products, seed-dressing products and wood preservatives.
Abstract: New azodicarboxylic acid derivatives of formula I ##STR1## where R.sub.1 is hydrogen, oxyl, hydroxyl, alkyl, allyl, benzyl, alkoxy or acyl, and X is --O-- or --NR-- where R is hydrogen or alkyl, are useful for the stabilization of polymers, particularly unsaturated elastomers, by being grafted thereon.
Type:
Grant
Filed:
June 5, 1995
Date of Patent:
September 10, 1996
Assignee:
Ciba-Geigy Corporation
Inventors:
Ramanathan Ravichandran, Ambelal R. Patel
Abstract: Disclosed is a process for coloring high-molecular-weight coatings and ink systems which comprises uniformly dispersing an effective pigmenting amount of a stir-in pigment in the coating or ink system; wherein the stir-in pigment is an organic pigment crude consisting essentially of non-platelet-shaped particles having an average particle size of from 0.5 to 25 .mu.m and/or a pigment composition consisting essentially of an organic pigment having an average particle size of from 0.01 to 25 .mu.m and inorganic filler pigment.
Abstract: Reactive dyes of formula ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by hydroxyl, R.sub.2 and R.sub.3 are each independently of the other hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or sulfo, and Y is .alpha.,.beta.-dihalopropionyl or .alpha.-haloacryloyl, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials, in high tinctorial yield, and give dyeings and prints with good fastness properties.
Abstract: A coated material comprising (a) a solid dielectric or semi-conductive substrate which is (b) partially or completely coated on at least one surface with a silicate in which a crystalline charge transfer complex is incorporated.The material can be used as an antistatic or electrically conductive material, preferably in the form of screens or picture tubes provided with an antistatic finish.
Abstract: Compounds of the formula I, II, III and IIIa ##STR1## in which Ar.sup.1 is an unsubstituted or substituted aromatic radical and at least one of the radicals R.sup.1 and R.sup.2 is an alkenyl, cycloalkenyl or arylmethyl group, are effective photoinitiators for photopolymerization of unsaturated compounds. They are particularly suitable for photocuring of pigmented systems.
Type:
Grant
Filed:
June 6, 1995
Date of Patent:
September 10, 1996
Assignee:
Ciba-Geigy Corporation
Inventors:
Vincent Desobry, Kurt Dietliker, Rinaldo H usler, Werner Rutsch, Manfred Rembold, Franciszek Sitek
Abstract: Anionic disazo dyes useful for dyeing and printing textile materials, paper and leather and for the preparation of inks of the formula ##STR1## wherein D, R.sup.3, R.sup.4, M, R.sup.5 and R.sup.7 are defined as in the specification.