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Ciba-Geigy Corporation Patents
Assignee:
Ciba-Geigy Corporation
Address:
Tarrytown, NY
No. of patents:
6795
Patents:


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Patent Number Title Of Patent Date Issued
5350689 Zea mays plants and transgenic Zea mays plants regenerated from protoplasts or protoplast-derive September 27, 1994
Methods of regenerating fertile Zea mays plants from protoplasts or protoplast-derived cells are described. The protoplasts or cells may be derived from embryogenic cell cultures or callus cultures. The protoplasts, cells and resulting plants may be transgenic, containing, for exampl
5350687 Antibodies which bind to novel lymphokine related peptides September 27, 1994
The invention concerns polypeptides related to human macrophage migration inhibition factor, in particular the polypeptides called MRP-8 and MRP-14, processes for their preparation, mRNAs, DNAs and hybrid vectors coding for said polypeptides, hosts transformed with such a hybrid vector,
5350449 Coating materials stabilized against light-induced degradation September 27, 1994
2-(2-Hydroxyphenyl)-4,6-diphenyl- and -4,6-di-p-tolyl-1,3,5-triazines are particularly suitable stabilisers, especially against light-induced degradation, for coating materials. They are superior in this respect to the corresponding 4,6-bis(2,4-dimethylphenyl) derivatives.
5349103 Preparation of aromatic nitriles September 20, 1994
A process for the preparation of a nitrile of formula ##STR1## wherein R is hydrogen, C.sub.1 -C.sub.4 alkyl or phenyl, by reaction of an aldehyde of formula ##STR2## wherein R is as defined above, with hydroxylamine sulfate and subsequent dehydration, which process comprises
5349062 Substituted naphtho[1,8-de:5,4-d'e']bis[1,3]thiazines, process for their preparation and the use September 20, 1994
Compounds of formula I ##STR1## wherein X.sub.1 and X.sub.2 are each independently of the other O, S or Se, and R.sub.1 and R.sub.2 are each independently of the other a monovalent radical of an aliphatic or aromatic hydrocarbon of 1 to 20 carbon atoms which is unsubstituted or s
5348762 Process for the production of conductive layers September 20, 1994
A process for the production of a conductive layer on a substrate, said conductive layer comprising a network of crystal needles of conductive radical cation salts based on tetrathiotetracenes, tetraselenotetracenes or tetratellurotetracenes and chlorine, bromine, iodine or copper di
5348743 Anti-pathogenically effective compositions comprising lytic peptides and hydrolytic enzymes September 20, 1994
Anti-pathogenically effective compositions are provided containing a combination of hydrolytic enzymes and lytic peptides as the active agent. Methods of controlling the growth of pathogens using the anti-pathogenically effective compositions are provided. Transgenic plants that cont
5348742 Anti-pathogenic bacterial strains of Pseudomonas fluorescens September 20, 1994
Purified bacterial strains that are effective for the inhibition of plant pathogens, including the fungi Rhizoctonia solani and Pythium ultimum have been isolated. These strains are useful as biocontrol agents, and can be used to produce antifungal metabolites, such as antibiotic compoun
5348580 Stabilization of organic pigments September 20, 1994
Pigment compositions comprisinga) at least one organic pigment selected from the group consisting of diketopyrrolopyrroles, azo pigments quinacridones, quinophthalones, phthalocyanines, indanthrones, flavanthrones, pyranthrones, anthraquinones, perylenes, dioxazines, perinones, thioindig
5347014 Process for preparing 1,4-diketo-3,6-diphenylpyrrolo-[3,4-C]-pyrrole September 13, 1994
A new platelet form of 1,4-diketo-3,6-diphenylpyrrolo-[3,4-C]-pyrrole which is prepared by heating 1,4-diketo-3,6-diphenylpyrrolo-[3,4-C]-pyrrole to elevated temperatures, preferably by recrystallization from an aromatic solvent or mixture of aromatic solvents, which is heated to an elev
5347008 Thio(cyclo) alkanepolycarboxylic acids containing heterocyclic substituents September 13, 1994
Compounds of the formula ##STR1## in which X is --S--, --O-- or --NH--, R is H or a monovalent substituent, n is 0 or 1 and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are H, alkyl, alkyl which is substituted by OH, halogen, COOH or alkoxy, unsubstituted or substituted aryl or aralkyl,
5346545 Stabilization September 13, 1994
Pigment compositions comprisinga) at least one organic pigment chosen from the group comprising azo pigments, quinacridones, phthalocyanines, indanthrones, flavanthrones, pyranthrones, anthraquinones, perylenes, dioxazines, perinones, thioindigo, isoindolines, isoindolinones and metal co
5344992 Process for the preparation of linear 1,3-diketones September 6, 1994
There is disclosed a process for the preparation of 1,3-diketones of formula I ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.20 alkyl, phenyl or phenyl which is substituted by halogen, hydroxy, NO.sub.2, C.sub.1 -C.sub.4 alkyl and/or C.su
5344977 Process for the preparation of 2,3-dibromopropionyl chloride September 6, 1994
An improved process for the preparation of 2,3-dibromopropionyl chloride, which comprises brominating acrylic acid, adding iron powder or an iron salt to the resultant melt, chlorinating the dibromopropionic acid obtained, and removing the volatile components. The 2,3-dibromopropionyl
5344955 Preparation of 1-amino-cyan-amido-2,2-dicyanoethylene, sodium salt September 6, 1994
1-Amino-1-cyanamido-2,2-dicyanoethylene, sodium salt is prepared by a process which comprises reacting malononitrile with sodium dicyanamide at an elevated temperature and in the presence of an aprotic, dipolar solvent. The subject compound is useful as an intermediate to prepare sub
5344860 Beta crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'- September 6, 1994
The beta crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2, 2'-diyl) phosphite] is obtained by crystallizing said compound from the melt at elevated temperatures.The beta crystalline form is an effective process stabilizer for polyol
5344842 Thiosemicarbazone derivatives September 6, 1994
The invention relates to novel thiosemicarbazones of formula I ##STR1## wherein R.sub.1 is lower alkyl, lower alk-2-en-1-yl or lower alk-2-yn-1-yl,R.sub.2 and R.sub.3 independently of one another are hydrogen or lower alkyl, or R.sub.2 and R.sub.3 together are lower alkylidene,R.sub.
5344635 Filler for heat-conductive plastics materials September 6, 1994
A powder mixture of aluminium nitride in the form of sintered agglomerates with fractions of different particle size, which mixture comprises (1) 80 to 50% by weight of aluminium nitride in the form of sintered agglomerates having a mean particle diameter of 30 to 50 .mu.m, and (2) 20 to
5342955 Diketopyrrolopyrroles August 30, 1994
1,4-Diketopyrrolo[3,4-c]pyrroles of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are each independently of one another hydrogen, Cl, Br, CH.sub.3, OCH.sub.3, CN or phenyl, and at least one of the substituents R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is a groupwhere
5342929 Process for the preparation of glycosides August 30, 1994
The invention relates to a process for the preparation of glycosides by reacting protected sugars carrying an anomeric hydroxyl group with an aglycon selected from the group consisting of alcohol, thiol and a protected sugar carrying a non-anomeric hydroxyl group, in an inert solvent
5342903 Process for the preparation of adducts of epoxides and alcohols August 30, 1994
A process for the preparation of adducts by reacting an alcohol with an epoxy compound in the presence of a catalyst, which comprises reacting an alcohol of formula I ##STR1## wherein A is an aliphatic, cycloaliphatic or araliphatic radical and r is a number from 1 to 10, with a
5342867 Adhesion promoters August 30, 1994
The present invention provides an adhesive composition comprising a polyurethane resin and, as adhesion promoter, a compound of formula I: ##STR1## in which Z is an organic radical which is derived from an aliphatic aromatic or heterocyclic polyisocyanate containing m+n isocyanate gr
5342823 Sulfonylureas August 30, 1994
N-Arylsulfonyl-N'-pyrimidinyl-and N'-triazinylureas of formula I ##STR1## wherein Q is ##STR2## R is hydrogen or methyl; R.sub.1 is hydrogen, fluoro, chloro, C.sub.1 -C.sub.4 alkyl or methoxy;R.sub.2 is hydrogen, fluoro or chloro;R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 are
5340900 Hardener composition for the production of polyurethane shaped articles August 23, 1994
The invention relates to compositions comprising a) a polyol having on average 3 to 8 hydroxyl groups per molecule and an average molecular weight per hydroxyl group of up to 150; b) a polyether-polyol having on average 2 to 3 hydroxyl groups per molecule and an average molecular wei
5340855 N-methylated bis-4-piperidylphosphite August 23, 1994
The invention relates to the novel compound 3,9-bis(1,2,2,6,6-pentamethyl-4-piperidyloxy)-2,4,8,10-tetraoxa-3,9-diphos phaspiro[5,5]undecane of formula I ##STR1## This compound can be used as stabilizer for organic material, especially as processing stabilizer for polyethylene and
5340837 Benzophenonehydrazones August 23, 1994
Compounds of the formula ##STR1## wherein each of o and p, independently of the other, is 0, 1, 2, 3, 4 or 5, the radicals R.sub.1 being the same or different when o is greater than 1 and the radicals R.sub.2 being the same or different when p is greater than 1;each of R.sub.1 an
5340701 Fluorine-free titanocenes and the use thereof August 23, 1994
Fluorine-free titanocene compounds of the formula I or II ##STR1## in which both R.sub.1 radicals are preferably, independently of one another, cyclopentadienyl.sup..crclbar., which is unsubstituted or substituted by alkyl,alkoxy or --Si(R.sub.2).sub.3, and both R.sub.2 radicals
5340399 Apparatus for the heat treatment of ophthalmic lenses, especially contact lenses August 23, 1994
In an apparatus for the heat treatment of ophthalmic lenses, especially contact lenses, which comprises an approximately cylindrical housing of closed design having an inlet opening and an outlet opening, transport device for transporting the ophthalmic lenses located inside molds along
5339537 Continuous drier for flat piece material August 23, 1994
A continuous drier for flat piece material, especially for liquid-coated printed circuit boards, and the like, comprises a heatable drier housing and a transport path that ascends in the housing and, after passing an upper turning point descends again. Secured to an endless chain that
5338863 Process for the preparation of tetrathiotetracenes August 16, 1994
Compounds of the formula I ##STR1## in which R.sup.1 to R.sup.8 independently of one another are H and at least one of R.sup.1 and R.sup.8 is a substituent belonging to the group --F, --Si(C.sub.1 -C.sub.4 alkyl).sub.3 or --COOR.sup.10 ; or each pair of adjacent radicals of R.sup
5338746 Thiosemicarbazonic acid esters August 16, 1994
The invention relates to novel thiosemicarbazonic acid esters of formula I ##STR1## wherein R.sub.1 and R.sub.5 are lower alkyl, lower alk-2-en-1-yl or lower alk-2-yn-l-yl,R.sub.2 and R.sub.3 independently of one another are hydrogen or lower alkyl or together are lower alkylidene, a
5338685 Process for the continuous quantitative determination of fluorine-containing compounds August 16, 1994
A process for the continuous quantitative determination of the concentration of fluorine-containing compounds in gases by treating a gas that contains a fluorine-containing compound with an aqueous solution of an amine and determining the concentration of the eliminated fluoride ions
5338319 Process for the photochemical and thermal stabilization of polyamide fibre material with a coppe August 16, 1994
There is disclosed a process for the photochemical and thermal stabilisation of polyamide fibre material as claimed in claim 1.The fibre materials treated by the inventive process are distinguished by good fibre affinity and enhanced photochemical and thermal stability.
5336773 Certain-3-amino-2-pyridine-sulfonamide intermediates August 9, 1994
N-Pyridinesulfonyl-N'-pyrimidinyl- and -triazinylureas of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another are hydrogen, C.sub.1 -C.sub.8 alkyl or C.sub.3 -C.sub.8 cycloalkyl; C.sub.2 -C.sub.8 alkyl or C.sub.3 -C.sub.8 cycloalkyl, each of which is mono
5336706 Piperidine-triazine compounds for use as stabilizers for organic materials August 9, 1994
The present invention relates to novel piperidine-triazine compounds of the formula (I) ##STR1## in which R.sub.1 is e.g. hydrogen or methyl, A.sub.1 is e.g. >N--CH.sub.3, R.sub.2 is e.g. --(CH.sub. 2).sub.2-6 --, R.sub.3 is e.g. 2,2,6,6-tetramethyl-4-piperidyl or 1,2,2,6,6-pe
5336663 3-aryluracil derivatives and their use for weed control August 9, 1994
3-Aryluracil derivatives of the formula I ##STR1## in which --W-- is the group ##STR2## where the ring nitrogen atom is bonded via the C atom; R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.3 alkenyl or C.sub.4 alkenyl or C.sub.3 alkynyl or C.
5334739 Process an alpha monoclinic crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5' August 2, 1994
The alpha crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2, 2'-diyl) O"phosphite] is obtained by crystallizing said compound from selected solvents, preferably from a mixture of an aromatic hydrocarbon solvent and a lower alkanol.Th
5334727 Pyrazole-containing pigment derivatives August 2, 1994
Pyrazole derivatives of a variety of polycyclic pigments, particularly quinacridone pigments, corresponding to the general formula ##STR1## wherein Q is the primary pigment structure; and the use of such derivatives as additives to pigment systems to provide a broad range of perf
5334681 Fluorine and/or silicone containing poly(alkylene-oxide)-block copolymer hydrogels and contact l August 2, 1994
Fluorine and/or silicone containing block copolymers are described which are the copolymerization product of mono; di- or trivinyl substituted poly(ethylene oxide) prepolymers (A) and fluoroalkyl-alkylene acrylates or methacrylates (B1), oligosiloxy-silyl alkyl-acrylates or methacrylates
5334600 Isoquinolyl substituted hydroxylamine derivatives August 2, 1994
The compounds of the formula ##STR1## wherein R represents hydrogen, lower alkyl, aryl, biaryl, C.sub.3 -C.sub.7 -cycloalkyl, aryl-lower alkyl, aryl-lower alkenyl, aryl-lower alkynyl, aryloxy-lower alkyl, arylthio-lower alkyl, C.sub.3 -C.sub.7 -cycloalkyl-lower alkyl, biaryl-lowe
5334481 Positive diazo quinone photoresist compositions containing antihalation compound August 2, 1994
Addition of compounds of formula I ##STR1## in which R.sup.1 to R.sup.4 are each hydroxyl or C.sub.1-6 -alkoxy and R.sup.5 to R.sup.10 are each hydrogen or C.sub.1-6 -alkyl,to positive photoresist compositions based on a diazoquinone/novolak resin effectively suppresses stray radiati
5332861 Process for preparing distyrylbiphenyl compounds July 26, 1994
Process for preparing distyrylbiphenyl compounds by condensation of a substituted or unsubstituted 4,4'-bis(dialkoxyphosphonomethyl)biphenyl compound with a substituted or unsubstituted benzaldehyde in liquid ammonia as the solvent and in the presence of strong bases; and the use of
5332816 Piperazine-piperidine compounds for use as stabilizers for organic materials July 26, 1994
The present invention relates to novel piperazine-piperidine compounds of the general formula (I) ##STR1## in which R.sub.1 is e.g. hydrogen or methyl, R.sub.2 is e.g. ethylene, m is zero or 1 and n is e.g. 1, and when n is 1, A is e.g. 2,2-dimethyl-1-propanoyl, n-butoxycarbonyl,
5332814 Process for the preparation of carbacyclic nucleosides, and intermediates July 26, 1994
Process for the preparation of racemic compounds of the formula I ##STR1## or enantiomers thereof, in which B is the radical of a nucleic base from the series comprising purine, a purine analogue or a pyridine analogue, and R is H or a protective group R.sub.1, by reactinga) a compou
5332806 Disazo dyes which contain 2-hydroxynaphthyl moiety July 26, 1994
Azo dyes of the formula ##STR1## where A and B are each independently of the other substituted or unsubstituted phenyl or naphthyl and X is --N(R.sub.1)--SO.sub.2 --, --O--SO.sub.2 -- or --SO.sub.2 --N(R.sub.1)--, where R.sub.1 is hydrogen or C.sub.1 -C.sub.8 alkyl, produce very
5332781 Storage-stable suspension of tougheners in epoxy resin hardeners July 26, 1994
Storage-stable suspension comprised of a solid or liquid epoxy resin hardener and a solid or liquid toughener suspended therein is distinguished by excellent homogeneous dispersion of the toughener in the epoxy resin hardener and are suitable for preparing suspensions of curable epox
5332729 N-aralkyl- and N-heteroaralkyl-aminoalkanephosphinic acids July 26, 1994
N-aralkyl- and N-heteroaralkyl-aminoalkanephosphinic acids of formula I ##STR1## wherein R is an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic or heteroarylaliphatic radical having at least 2 carbon atoms,R.sub.1 is hydrogen or hydroxy,R.sub.2 is an araliphatic or hete
5332717 Heterocyclic compounds July 26, 1994
The invention relates to compounds of formula ##STR1## wherein W, X, Y.sup.1, Y.sup.2, Z, R.sup.1, R.sup.2 and R.sup.14 are as defined in the description, and to the preparation thereof, to weed control compositions and plant-growth-regulating compositions comprising such compoun
5331068 Adducts of diaminodiphenyl sulfone compounds as hardeners for epoxy resins July 19, 1994
The present invention relates to a hardener for polyfunctional epoxy resins comprising the adduct obtained from the reaction of (1) a diaminodiphenyl sulfone of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, C.sub.1 -C.sub.4 alkyl o
5331031 Gamma crystalline modification of 2,2', 2"-nitrilo[triethyl-tris(3,3',5,5'-t'-biphenyl-2,2'-diyl July 19, 1994
The gamma crystalline modification of 2,2',2"-nitrilo[triethyl-tris-(3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2, 2'-diyl)phosphite] is obtained by crystallizing or recrystallizing said compound from an alkanol of 4 to 8 carbon atoms.The gamma crystalline form is an effective process stabi
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