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7579496 |
Monosilane or disilane derivatives and method for low temperature deposition of silicon-containing films using the same
This invention relates to silicon precursor compositions for forming silicon-containing films by low temperature (e.g., <550° C.) chemical vapor deposition processes for fabrication of ULSI...
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7534905 |
Reagents for asymmetric allylation, aldol, and tandem aldol and allyation reactions
A new class of reagents and method of use of the reagents in the reaction of the reagents with electrophilic compounds. The invention in one embodiment is directed to a method for the formation of...
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7507849 |
Cyclic silazanes containing an oxamido ester group and methods of making these compounds
Cyclic silazanes containing an oxamido ester group and methods of making these compounds are described. The compounds can be used, for example, to make oxamido ester-terminated siloxanes, which can...
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7442821 |
Process for preparing unsaturated imidoalkoxysilanes
A process is provided for preparing unsaturated imidoalkoxysilane which comprises imidating substantially water-free Diels-Alder protected unsaturated N-substituted cyclic imide with aminosilane to...
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7199249 |
Free radically polymerizable coupling agents
In accordance with the present invention, there are provided novel coupling agents which are compatible with a wide variety of adhesive formulations and which provide substantial adhesion...
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7169949 |
Silane-modified UV absorbers and coatings
Including a triazine UV light absorber having a silane group in a coating improves scratch and mar resistance after weathering.
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6974500 |
Primer composition
To provide a primer composition having an excellent balance between storage stability and adhesiveness, while permitting a longer open time. The primer composition includes: a compound (a)...
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6924375 |
Facile synthesis of 1,9-diacyldipyrromethanes
The present invention provides a method of making a metal complex. The method comprises the steps of: (a) acylating a dipyrromethane or a 1-monoacyldipyrromethane to form a mixed reaction product...
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6881855 |
Norbornyl-substituted silanes and the use thereof
Silanes of the formula
R a 1 R 4-a-x SiL x (I)
where each R is identical...
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6646118 |
Solid phase synthesis
The present invention relates to a support system for solid phase synthesis of oligomers, such as oligonucleotides, wherein the starting compound is bound to the support via a disiloxyl linkage....
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6576729 |
Silylene catalysis of olefin polymerization
Disclosed herein are methods for producing a polymer. One polymerizes monomers selected from alkene monomers and terminal alkyne monomers, in the presence of a catalyst which is a silylene. The...
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6534615 |
Preparation of amino-functional siloxanes
The invention relates to a process for preparing an amino-functional organosiloxane of the formula III, (SiO {fraction (4/2)} ) k (R 1 SiO {fraction (3/2)} ) m (R 1 2 SiO {fraction (2/2)} ) p (R 1...
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6531620 |
Cyclic silazanes
The invention relates to cyclic silazanes of the formula II in which R is a divalent, Si—C and C—N-bound, optionally cyano- or halogen-substituted C 3 -C 15 -hydrocarbon radical, in which...
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6531539 |
Organosilicon compounds
The invention is directed to organosilicon compounds of the general formula prepared by reacting triazine compounds with functional groups (e.g., chlorine) and corresponding compounds (e.g.,...
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6482912 |
Method of preparing aminofunctional alkoxy polysiloxanes
A method of preparing a aminofunctional alkoxy polysiloxane is disclosed. The method includes reacting a polyhydrosiloxane with an alcohol reactant containing an aminoalcohol to form the...
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6329082 |
Hetero-spiro compounds and their use as electroluminescence materials
Hetero-spiro compounds of the formula (I), ##STR1## where Ψ is an element of the 4th main group of the Periodic Table with the exception of carbon, preferably Sn, Ge or Si, particularly...
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6172250 |
Preparation process of biologically active silicon compounds in a concentrated form
A process for the preparation of biologically active silicon compounds by hydrolysis of a precursor which produces a compound which prevents the formation of polymers from the silicon hydrolyzed...
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6113815 |
Ether-stabilized organosilane compositions and methods for using the same
The composition formed by mixing an organosilane with an ether. Water-stabilized organosilane compounds. A water stable composition made from the ether and organosilane composition and water. A...
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6018011 |
Polyorganosiloxanes with dialkoxyorganosiloxy end groups
The present invention relates to a polyorganosiloxane having at least one dialkoxyorganosiloxy group, where the organo radical is a substituted amidoalkyl radical.
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5998562 |
Permanent organosilicon compounds, their preparation and use
The present invention relates to triazine-containing organosilicon compounds having units of the formula A a R b X c SiO (4-a-b-c)/2 (I), where R is identical or different...
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5837792 |
Polysiloxane light stabilizers
Oligomeric or polymeric siloxanes of the formula I ##STR1## if X is a monovalent radical, or which are correspondingly crosslinked, if X is a polyvalent radical, whose repeating units are arranged...
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5777144 |
Bi-functional siloxane compounds
Silicon compounds containing the 1-sila-azacyclopentane structure function as alcohol scavengers in one-part alkoxy curing room temperature vulcanizable silicone compositions and the alcohol...
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5728856 |
Silylene, a process for its production and its use
Stable silylenes, and analog carbenes are prepared.
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5703192 |
Polyorganometallosiloxane-2- or -4-pyridine coatings
A new family of polyorganometallosiloxane-2- or -4-pyridine compounds are provided for corrosion resistant coatings on light metals such as aluminum, magnesium, zinc, steel and their allows. The...
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5688961 |
Method of manufacturing a silicon-type charge transporting material
A method of manufacturing charge transporting materials which impart a charge transporting property to a polysiloxane resin, and which is soluble in the resin. The charge transporting material is...
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5688889 |
Non-yellowing textile softening process in which a composition comprising a polyorganosiloxane is used
Process for conditioning textile materials in order to enable them to have, especially, a pleasant handle and a very low or even non-existent yellowing, characterized in that the textile materials...
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5536828 |
(E)-20 (22)-dehydrodiels-alder compounds
The invention discloses Diels-Alder adducts of the following structure: ##STR1## The compounds are useful as intermediates in the production of (E)-20(22)-Dehydrovitamin D compounds.
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5463058 |
Siloxane derivatives of 2,2,6,6-tetramethylpiperidine compounds as stabilizers
Novel polymethylpiperidine compounds of general formula (I) containing silane groups and effective as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials. The...
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5411960 |
Substituted pyrroloanthracenes and -diones
Substituted pyrroloanthracenes are prepared by reacting either furanoanthracenes or N-unsubstituted pyrroloanthracenes with appropriately substituted alkylamines. The compounds can be employed as...
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5380899 |
Process for the production of cyclic amidine
A cyclic amidine typically having the formula: ##STR1## wherein R 1 represents an organic radical, X represents a direct bond or a divalent organic radical and A and B each represent hydrogen or...
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5359104 |
Solid antimicrobial
A method of treating surfaces in order to eliminate microbial growth by adding an antibacterially effective amount of an organosilicon quaternary ammonium silatrane compound to the surface in order...
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5354880 |
Cyclic silylureas and process of preparation
This invention provides a class of cyclic silylureas and a process of preparing them, which process comprises reacting a cyclosilazane with an isocyanate containing moiety; a class of...
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5283310 |
Proton conducting polymer, and application thereof as electrolyte in electrochemical devices
This invention has as its subject a basic organo-mineral proton conducting polymer, produced by copolymerization of three precursors: a precursor based upon a trialkoxysilane, onto which a...
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5281737 |
1-aza-2-silacyclobutane compounds and method for their preparation
The present invention introduces novel 1-aza-2-silacyclobutane compounds whose nitrogen is substituted by a hydrocarbon group or heteroatom-containing hydrocarbon group, whose N--Si bond remains...
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5281736 |
Method for the preparation of 1-aza-2-silacyclopentane compounds
The present invention relates to a method for the preparation of 1-aza-2-silacyclopentane compounds whose nitrogen is substituted by a hydrocarbon group or a heteroatom-containing hydrocarbon...
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5239099 |
Azasilacycloalkyl functional alkoxysilanes and azasilacycloalkyl functional tetramethyldisiloxanes
Azasilacycloalkyl functional alkoxysilane which are useful for making polymers for room temperature vulcanizable composition and as adhesion promoters are exemplified by...
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5110967 |
Crosslinkers and chain extenders for room temperature vulcanization or crosslinking of polymers
Silicon crosslinkers and chain extenders having at least two heterocyclic Si--N groups per molecule can be used to make compositions which cure in contact with moisture without generating a...
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5086060 |
Compound and method for treating skin for acne or psoriasis
The effects of acne and psoriasis are relived by applying either topically or by oral adminstration, a compound having the structure: ##STR1## wherein R 1 , R 2 , R 3 , R 4 and R 5 are...
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5084568 |
Process for preparing acid halides
An improved process for preparing trialkylsilyl ester and acid halide derivatives of carboxylic acids is provided along with novel trialkylsilyl ester intermediates of...
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5051458 |
UV stabilizers for organic polymers
Polymeric stabilizer compounds with a polyorganosiloxane structure suitable for stabilizing organic polymers against UV radiation and heat, containing sterically hindered piperidino groups in their...
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5049688 |
Allyl cyclosilalactams
Cyclosilalactams of the formula ##STR1## which can be used in the preparation of polyorganosiloxanes which react with moisture and do not have leaving groups. These cyclosilalactams are made using...
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5030745 |
Reaction products of 2-(aminoethyl)-aminopropyl-alkoxy silanes and chlorosilanes
Materials useful as bonding agents for silicone 1K-and 2K-sealing compositions are the reaction products of 2-(aminoethyl) -aminopropyl-alkoxy silanes of the following formula: H 2 NCH 2 CH 2 ...
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4874803 |
Dianhydride coupled polymer stabilizers
The present invention comprises reaction products resulting from the reaction of hydrazido-substituted or certain amino-substituted polymer stabilizers and cyclic dianhydrides, as well as the use...
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4804771 |
Novel n-silyl substituted 1-sila-2-azacyclopentanes
This invention relates to a novel class of N-silyl substituted 1-sila-2-azacyclopentane compounds. In a preferred embodiment of the instant invention, the novel compound...
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4680410 |
Preparation of N- and S-1,2-ethylenically unsaturated organic compounds
The invention is a process for the preparation of a N- or S-1,2-ethylenically unsaturated organic compound which comprises (a) contacting a N- or S-silylated organic compound with an aldehyde,...
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4584393 |
Bis(aminoalkyl)disiloxanes and method and intermediates for their preparation
Bis(aminoalkyl)disiloxanes such as 1,9-diamino-4,4,6,6-tetramethyl-5-oxa-4,6-disilanonane are prepared by contacting an acyclic olefinic silazane such as 2-methyl-2-sila-3-aza-5-hexene with a...
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4578492 |
Non-corrosive silicone RTV compositions
Stable, substantially acid-free, one package, moisture curable RTV compositions are provided having a scavenger for chemically combined hydroxy groups of the formula ##STR1## where x equals 1 or 2...
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4472565 |
Silicone-polyimide copolymers, condensation vulcanizable compositions obtained therefrom, and methods for making
Silicone-polyimide copolymers having terminal silanol or silicon hydride radicals are provided based on the use of a norbornene terminated polyimide. A hydrosilation reaction is employed to...
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4217453 |
6-Amido-3-substitu ted-amino-1-azabicyclo[3.2.0]hept-2-en-7-one-2-carboxylic acid
Disclosed are 6-amido-3-substituted-amino-1-azabicyclo[3.2.0]hept-2-en-7-o
ne-2-carboxyli c acids (I): ##STR1## wherein R 1 is hydrogen or acyl; and R' and R" are independently selected from the...
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4175091 |
Substituted 3,1-benzazasilines
Compounds of the following structure ##STR1## where R 1 represents H or alkyl having 1-5 carbon atoms, R 2 , R 3 , R 4 and R 5 each, independently represents H or alkyl having 1-2 carbon...
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