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Class 548/548 - Carbon to carbon unsaturation between ring members of the five-membered hetero ring (e.g., maleimide, etc.)


Subclass of Class 548 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein there is a double bond between ring carbons
No. of patents: 173
Last issue date: 01/12/2010


1          
NumberTitleIssue Date
7645889Optically active polymaleimide derivatives and process for their production
Optically active maleimide derivatives of the formula: (where the various substituents are as defined in the description) are used as separating media for separating optical isomers and geometrical isomers such as by high p...
01/12/2010
7622597Method of preparation of maleimides by thermal cyclization of maleamic acids in the presence of a catalyst
Method of preparation of maleimides by thermal cyclization of maleamic acids in the presence of a catalyst consists in that reaction of a substituted maleic anhydride with a primary amine is performed in an organic solvent in the presence of betaine at a temperature...
11/24/2009
7442821Process 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 provide Diels-Alder protected unsaturated imidoalkoxysilane without ...
10/28/2008
7381742Optically active polymaleimide derivatives and process for their production
Optically active maleimide derivatives of the formula: (where the various substituents are as defined in the description) are used as separating media for separating optical isomers and geometrical isomers such as by high p...
06/03/2008
7312534Interlayer dielectric and pre-applied die attach adhesive materials
The present invention relates to interlayer dielectric materials and pre-applied die attach adhesives, more specifically pre-applied die attach adhesives (such as wafer and other substrate-applied die attach adhesives), methods of applying the interlayer dielectric ...
12/25/2007
7259138Anti-tumor agents
A method for treating subjects with abnormal cell proliferation is provided. The method involves administering to subjects in need of such treatment an effective amount of an agent of Formula I, to inhibit cell proliferation such as that associated with tumor growth...
08/21/2007
7238740Rubber composition for a tire comprising a citraconimido-alkoxysilane as coupling agent
The invention provides an elastomeric composition based on at least an isoprene elastomer, a reinforcing inorganic filler and, as (inorganic filler/isoprene elastomer) coupling agent, a citraconimido-alkoxysilane, in particular an N-[((C1-C3)al...
07/03/2007
7208566Imide-linked maleimide and polymaleimide compounds
The invention is based on the discovery that a remarkable improvement in the performance of maleimide thermosets can be achieved through the incorporation of imide-extended mono-, bis-, or polymaleimide compounds. These imide-extended maleimide compounds are readily...
04/24/2007
7199249Free 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 enhancement relative to base formulations to which they are added. Invention c...
04/03/2007
7186750Optically active maleimide derivatives, optically active polymaleimide derivatives, process for their production, separating media comprising the optically active polymaleimide derivatives and method of separating optically active compounds using them
Optically active maleimide derivatives of the formula: (where the various substituents are as defined in the description) are used as separating media for separating optical isomers and geometrical isomers such a...
03/06/2007
7176044B-stageable die attach adhesives
The present invention relates to b-stageable die attach adhesives, methods of preparing such adhesives, methods of applying such adhesives to the die and other substrate surfaces, and assemblies prepared therewith for connecting microelectronic circuitry. ...
02/13/2007
7115575Glucopyranosyloxypyrazole derivatives, medicinal compositions containing the same and intermediates in the production thereof
The present invention relates to glucopyranosyloxypyrazole derivatives represented by the general formula: wherein R1 represents a hydrogen atom or a lower alkyl group; one of Q1 and T1...
10/03/2006
7109232Compounds from having anti-inflammatory and anti-tumor activity
The present invention relates to novel mixture and maleic and succinic acid derivatives from mycelium of Antrodia Camphorata and the medical use thereof. The present invention relates to the composition or mycelium comprising the compounds of the invention.
09/19/2006
7102015Maleimide compounds in liquid form
In accordance with the present invention, there are provided novel thermosetting resin compositions which do not require solvent to provide a system having suitable viscosity for convenient handling. Invention compositions have the benefit of undergoing rapid cure. ...
09/05/2006
7094860Maleimide group-containing polymer particles and method of producing the same
The present invention relates to a maleimide group-containing polymer particle containing a crosslinked polymer particle containing a group represented by the following formula (1) and to a method of producing the maleimide group-containing crosslinked polymer parti...
08/22/2006
7067489Hematopoietic stimulation
Methods and products for stimulating hematopoiesis, preventing low levels of hematopoietic cells and producing increased numbers of hematopoietic and mature blood cells are provided. The methods and products can be used both in vivo and in vitro. The methods involve...
06/27/2006
6989263Method for identifying and using compounds that inactivate HIV-1 and other retroviruses by attacking highly conserved zinc fingers in the viral nucleocapsid protein
The present invention provides several classes of compounds which can be used to inactivate retroviruses, such as HIV-1, by attacking the CCHC zinc fingers of the viral nucleocapsid protein and ejecting the zinc therefrom. In addition, kits for identifying compounds...
01/24/2006
6949514Anti-tumor agents
A method for treating subjects with abnormal cell proliferation is provided. The method involves administering to subjects in need of such treatment an effective amount of an agent of Formula I, to inhibit cell proliferation such as that associated with tumor growth...
09/27/2005
6884525Red light emitting materials
This invention features a compound having the formula: X is O or NR1; and each of Y and Z, independently, is in which each of R1, R2, R
04/26/2005
6875776N-ureidoalkyl-piperidines as modulators of chemokine receptor activity
The present application describes modulators of CCR3 of formula (I): or pharmaceutically acceptable salt forms thereof, useful for the prevention of asthma and other allergic diseases. ...
04/05/2005
6777526OPTICALLY ACTIVE MALEIMIDE DERIVATIVES, OPTICALLY ACTIVE POLYMALEIMIDE DERIVATIVES, PRODUCTION METHOD THEREOF, SEPARATING AGENT USING THE SAME DERIVATIVE, AND METHOD FOR SEPARATING OPTICALLY ACTIVE COMPOUNDS USING THE SAME AGENT
A separating agent that serves as an optical resolution agent is composed of a novel, useful optically active polymer. The separating agent is obtained through anionic polymerization of a novel maleimide and serves to separate optically active compounds. ...
08/17/2004
6706892Pulmonary delivery for bioconjugation
Methods of and compositions for pulmonary delivery of therapeutic agents which are capable of forming covalent bonds with a site of interest or which have formed a covalent bond with a pulmonary solution protein are disclosed. Therapeutic agents useful in the invent...
03/16/2004
6630595Method for producing maleimides
A method for producing maleimides. The method comprises reacting maleic anhydride and a primary amine at 100-180° C. in an organic solvent using a solid acidic catalyst, and purifying the maleimide produced therefrom by extraction and crystallization. Th...
10/07/2003
6388094Method for making intermediates useful in synthesis of retroviral protease inhibitors
A synthesis is described for intermediates which are readily amenable to the large scale preparation of hydroxyethylurea-based chiral HIV protease inhibitors. The method includes forming a diastereoselective epoxide from a chiral alpha amino aldehyde....
05/14/2002
6238752Diamino compounds, polyamic acids, polyimides, liquid crystal aligning films using said polyimide films and liquid crystal display devices using said aligning films
This invention relates to a diamino compound represented by the formula [1]: ##STR1## in which G1 is a trivalent organic group of 2-20 carbon atoms, G2 is independently a single bond, --COO--, --OCO--, --NHCO--, --CONH--, --O--,...
05/29/2001
6191286Imidosilane compositions
Unsaturated imidosilanes which are essentially free of siloxanes are taught herein for use surface treatments for inorganic solid materials. Novel methods to make such silanes, which do not yield water or siloxanes as a by-product are also taught. Composi...
02/20/2001
6143902C-2 hydroxyl protected-N-acyl (2R,3S)-3-phenylisoserine N-imido activated esters and method for production thereof
A chemic compound having the formula: ##STR1## wherein P1 is a hydroxyl protecting group, R1 is an alkyl group, an olefinic group, an aromatic group, Ph, PhCH2, an O-alkyl group, an O-olefinic group, an O-aromatic gro...
11/07/2000
6124435Carbohydrate-directed cross-linking reagents
The invention provides heterobifunctional cross-linking reagents and methods of using the cross-linking reagents. The cross-linking reagents of the invention combine a nucleophilic hydrazide residue with an electrophilic maleimide residue, allowing coupli...
09/26/2000
6057342Amidinophenyl-pyrrolidines, -pyrrolines, and -isoxazolidines and derivatives thereof
The present application describes amidinophenyl-pyrrolidines, -pyrrolines, and -isoxazolidines and derivatives thereof of formula I: ##STR1## or pharmaceutically acceptable salt forms thereof, wherein one of D and D' may be C(.dbd.NH)NH2 a...
05/02/2000
6039769Process for the preparation of highly chromatic perylene pigments
This invention relates to a process for preparing perylene pigment compositions by reaction of (a) a perylene tetracarboxylic compound; (b) about 0.01 to about 20% by weight, relative to the perylene tetracarboxylic compound, of a non-pigmentary cyclic anhydri...
03/21/2000
6037477Oxidation process of ethers
An ether is oxidized with oxygen under an oxidation catalyst comprising an imide compound (such as N-hydroxyphthalimide) or the imide compound and a co-catalyst to produce the corresponding chain or cyclic ester or anhydride. The co-catalyst may be a tran...
03/14/2000
6037475Synthesis of indolymaleimides
The present invention provides a method for synthesizing indolylmaleimides by reacting an activated maleimide preferably with an optionally substituted organometalic-3-indole in the presence of a transition metal catalyst....
03/14/2000
6002003Cyanine dye activating group with improved coupling selectivity
Activating groups for cyanine dyes used to label chain terminators in nucleotide sequencing, based on N-hydroxyphthalimide, are disclosed. From these activating groups, activated dyes of the present Invention are prepared which react with the derivitized ...
12/14/1999
5973166Method for the preparation of maleimides
In accordance with the present invention, there are provided improved methods for the preparation of maleimide monomers. This new method for the synthesis of maleimides is clearly superior to those documented in the prior art. Furthermore, the invention m...
10/26/1999
5965746Efficient method for the synthesis of N-cyclic maleamic acids and N-cyclic maleimides
Provided are methods for the synthesis of N-cyclic maleamic acids and N-cyclic maleimide derivatives, as well as N-cyclic maleamic acids and N-cyclic maleimides synthesized thereby. The method for synthesis of an N-cyclic maleamic acid involves reacting a...
10/12/1999
5948922Compounds with substituted cyclic hydrocarbon moieties linked by secondary or tertiary oxycarbonyl containing moiety providing reworkable cured thermosets
Compounds containing two cyclic hydrocarbon moieties which are substituted to provide crosslinking functionality and which are linked to each other by secondary or tertiary oxycarbonyl containing moiety are basis for compositions which are cured to provid...
09/07/1999
5912359Dimaleinimido-substituted dihydroxyalkanes which can be used as crosslinking reagents and process for their preparation
The invention relates to novel dimaleinimido-substituted dihydroxyalkanes, to a process for their preparation as well as to their use as cross-linking reagents, e.g. in analytical methods. A disadvantage of the cleavable bismaleinimido derivatives used so...
06/15/1999
5892057Preparation of sulfo-N-hydroxysuccinimide salts
The salt of a sulfonated succinic acid is cyclized, then converted to novel sulfonated hydroxamic acids by reaction with hydroxylamine (which is added or formed in situ), and the novel hydroxamic acid is then cyclized to the sulfo-N-hydroxysuccinimide sal...
04/06/1999
5847213Process for production of tertiary amine compound
There is provided a process for producing a tertiary amine compound in one step without using any subsidiary raw material or any solvent, by subjecting a secondary amine compound and an alcohol to an intermolecular dehydration reaction in a gas phase. The...
12/08/1998
5824805Branched hydrazone linkers
Branched hydrazone linkers for linking a targeting ligand such as an antibody to a therapeutically active drug. The point of branching is at a polyvalent atom and the number of drugs increases by a factor of two for each generation of branching. A preferr...
10/20/1998
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