U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

British merchant Peter Durand invented the tin can in 1810.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 528/101 - Phenolic reactant contains ethylenic unsaturation or contains a 1,2-epoxy group fused to a carbocyclic ring


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the phenol, phenol ether, or inorganic
No. of patents: 103
Last issue date: 10/21/2008


1      
NumberTitleIssue Date
7438833Organic species that facilitate charge transfer to or from nanostructures
The present invention provides compositions (small molecules, oligomers and polymers) that can be used to modify charge transport across a nanocrystal surface or within a nanocrystal-containing matrix, as well as methods for making and using the novel compositions.
10/21/2008
7271406Electron transport agents for organic electronic devices
Compounds and compositions are provided that can be used as electron transport agents in organic electronic devices such as organic electroluminescent devices. The compounds are non-polymeric and have an aromatic core conjugated to end capping groups. The aromatic c...
09/18/2007
7244772Process for preparing polyurethane polyol and rigid foams therefrom
We describe a process for the preparation of polyurethane polyol from CARDANOL 3-(8pentadecenyl)phenol, derived from cashew nut shell liquid (CNSL), a renewable resource material. The polyol is made by oxidation with peroxy acid generated in situ to give epoxidised ...
07/17/2007
7230268Attachment of organic molecules to group III, IV or V substrates
This invention provides a new procedure for attaching molecules to semiconductor surfaces, in particular silicon. The molecules, which include, but are not limited to porphyrins and ferrocenes, have been previously shown to be attractive candidates for molecular-bas...
06/12/2007
7192657Ethynyl containing electron transport dyes and compositions
Compounds, compositions, organic electronic devices, and methods for preparing organic electronic devices are described. The compounds of the invention contain at least two carbon-carbon triple bonds and a heteroaromatic ring having at least one —C═N— unit. Th...
03/20/2007
7150902High Tcoatings
Articles are coated by applying a coating composition of a high Tg phenoxy-type material having a Tg of at least about 75° C. to at least a portion of a surface of an article, and forming a dried/cured coating of the high Tg phenoxy...
12/19/2006
6962757Electroluminescence in light emitting polymers featuring deaggregated polymers
In general terms, the present invention includes a light emitting polymeric material the light emitting polymeric material capable of producing electroluminescence upon being provided with a flow of electrons, the light emitting polymeric material comprising a plura...
11/08/2005
6936355Organic photoluminescent polymers with improved stability
A luminescent polymer, suitable for use in an active layer of an organic light-emitting device, organic solid state lasers, a photovoltaic cell or an electrochromic display and exhibiting good stability and microstructure control, which has the structure
08/30/2005
6887967Thermosetting polyimide resin composition process for producing polyimide resin, and polyimide resin
A thermosetting polyimide resin composition is provided which comprises a polyimide resin and an epoxy resin, which has excellent heat resistance, low dielectric constant and low dielectric loss tangent and also yields a cured article having good mechanical properti...
05/03/2005
6663930Chemical resistant adhesive composition
Gel formation is prevented in the reaction between a sulfonyl-chloride-containing resin and a polyamine by first forming an adduct between the resin with an aminophenol. The prevention of gel formation enables sulfonyl-chloride containing resin to be used...
12/16/2003
6589621Thermally stable polyetheramines
Compositions comprising a blend of an inorganic base, an organic base, a monofunctional organic nucleophile or a multifunctional organic nucleophile and a thermoplastic hydroxy-functionalized polyetheramine can be formed into films and laminate structures...
07/08/2003
6399224Conjugated polymers with tunable charge injection ability
Conjugated polymers and copolymers with strong luminescent properties and balanced charge transporting/injection properties are disclosed. Methods of manufacturing such polymers and copolymers and optoelectronic devices fabricated with such polymers and c...
06/04/2002
6399740Process for reducing mono-functional and non-functional by-products during aralkylation of phenolics
Phenol aralkyistion polymers can be prepared by reaction among a phenolic monomer, at least one styrenic monomer and an aryl diolefin. A phenolic monomer can be initially aralkylated in the presence of an acid catalyst with a first portion of at least one...
06/04/2002
6291077Lactone chain-extended phenolic polyester polyols
A lactone chain-extended polyester polyol of the present invention comprises the reaction product of a lactone and a previously chain-extended phenolic-based hydroxyl compound. The previously chain-extended phenolic-based hydroxyl compound may comprise th...
09/18/2001
6166151Lactone chain-extended phenolic polyester polyols
A lactone chain-extended polyester polyol of the present invention comprises the reaction product of a lactone and a previously chain-extended phenolic-based hydroxyl compound. The previously chain-extended phenolic-based hydroxyl compound may comprise th...
12/26/2000
6156865Flame retardant thermosetting resin composition
A thermosetting epoxy resin composition having a low environmental load and a high flame retardancy includes a compound represented by the following formula 1 and a novolac compound represented by the following formula 2 as essential components: X--R...
12/05/2000
6090905Compositions and methods for controlling stickies
Mannich-derivatized polyphenolic compositions prepared by the reaction of a phenolic compound having at least two phenol rings with an aldehyde and an amphoteric compound having both a basic moiety and an acidic moiety are disclosed. Methods for utilizing...
07/18/2000
6031012Curable composition, foam produced therefrom, and process for producing the foam
Provided is a curable composition comprising (A) a phenolic compound having a carbon-carbon double bond, (B) a compound having an SiH group, and (C) a foaming agent. The composition can be foamed and cured at room temperature or under heat at relatively l...
02/29/2000
5985954Epoxy resin composition for sealing photo-semiconductor element and photo-semiconductor device sealed with the epoxy resin composition
An epoxy resin composition for sealing a photo-semiconductor element, comprising (A) an epoxy resin, (B) a curing agent and (C) a polyether-modified silicone oil which is represented by the following general formula (1) ##STR1## wherein m, n and a ar...
11/16/1999
5945502Electroluminescent polymer compositions and processes thereof
A polymer including mers of the formulas: ##STR1## and copolymers or mixtures thereof....
08/31/1999
5939473Epoxy resin, resin composition, and resin-encapsulated semiconductor device
The stilbene epoxy resin having two different aryl groups and an epoxy resin mixture including this stilbene epoxy resin have lower melting points than those of the stilbene epoxy resin having two identical aryl groups and the epoxy resin mixture of the l...
08/17/1999
5939509Epoxy resin, resin composition, and resin-encapsulated semiconductor device
The stilbene epoxy resin having two different aryl groups and an epoxy resin mixture including this stilbene epoxy resin have lower melting points than those of the stilbene epoxy resin having two identical aryl groups and the epoxy resin mixture of the l...
08/17/1999
5854370Epoxy resin stilbenes and process for producing the same by photoisomerization
The invention provides a cis-stilbene type epoxy resin having lower melting point and lower viscosity than the trans-stilbene type epoxy resin hitherto known. The stilbene type epoxy resin has a cis-isomer content of essentially 100%, or in the alternativ...
12/29/1998
5807959Flexible epoxy adhesives with low bleeding tendency
For use in microelectronics applications, an improvement to an epoxy resin composition to reduce bleeding of the composition when it is applied to a silicon or metal substrate consists in the addition to the composition of a polyhydroxyl compound having t...
09/15/1998
5776374Crosslinkable thermoplastic and crosslinked thermoset nonlinear optical polymeric compositions derived from aromatic dihydroxy compounds
The present invention relates to crosslinkable thermoplastic compositions comprising a plurality of crosslinkable moieties, capable of undergoing addition polymerization, incorporated by functionalization of the precursor poly(hydroxy ethers). The poly(hy...
07/07/1998
5736620Glycidyl ether compounds containing mesogenic moieties
Epoxy resins containing rodlike mesogenic moieties are prepared from phenolic hydroxyl containing compounds which contain such moieties....
04/07/1998
5705596Epoxy resin and process for producing the same
The invention provides a cis-stilbene type epoxy resin having lower melting point and lower viscosity than the trans-stilbene type epoxy resin hitherto known. The stilbene type epoxy resin has a cis-isomer content of essentially 100%, or in the alternativ...
01/06/1998
5686551Hydroxy ether polymers as thermoplastic barrier resins
Thermoplastic hydroxy ether polymers containing inertly substituted or unsubstituted stilbene and ether linkages in the backbone chain and pendant hydroxyl moieties are prepared by reacting (a) an inertly substituted or unsubstituted dihydroxy-stilbene wi...
11/11/1997
5659004Epoxy resin composition
An epoxy resin composition contains an epoxy resin as a substratal resin and incorporates therein a polyallylphenol curing agent. The composition may also contain a polyphenol compound. The epoxy resin may have a naphthalene skeleton. The epoxy resin comp...
08/19/1997
5646204Epoxy resin composition and resin-encapsulated semiconductor device
An epoxy resin composition comprising (A) an epoxy resin represented by the general formula (1) ##STR1## wherein each R1, independent of the other, represents hydrogen, a hologen atom, an alkyl group having 1 to 6 carbon atoms, substituted...
07/08/1997
5637669Epoxy resins containing discotic mesogenic moieties
Thermosettable resins, including epoxy resins, polythiirane resins and vinyl ester resins were prepared from compounds containing one or more discotic mesogenic moieties. The resultant thermosettable resins may be processed to provide the discotic liquid ...
06/10/1997
5589320Polymeric fluorescent substance and organic electroluminescence devices using the same
A polymeric fluorescent substance which is soluble, has a number-average molecular weight of 103 -107 and contains three different repeating units --Ar--CH.dbd.CH--, wherein Ar is a arylene group having 6-20 carbon atoms, a heterocyc...
12/31/1996
5510431Cure controlled catalyzed mixtures of epoxy resins and curing agents containing mesogenic moieties
Curable compositions containing (A) one or more epoxy resins, one (B) or more curing agents and (C) one or more cure controlling catalysts wherein at least one of components (A) or (B) or both components (A) and (B) contain a mesogenic moiety are prepared...
04/23/1996
5464912Amines from nitro group terminated mesogenic epoxy resin adducts with reduced hydroxyl group functionality
Adducts containing terminating nitro (nitroso) groups and one or more mesogenic moleties are prepared by reacting (A) at least one compound containing an average of more than one vicinal epoxide group per molecule with (B) at least one compound containing...
11/07/1995
5463091Diglycidyl ether of 4,4'-dihydroxy-଱-methylstilbene
The diglycidyl ether of 4,4'-dihydroxy-଱-methylstilbene is prepared....
10/31/1995
5460860Mesogen-containing biaxially oriented films
Mesogen containing biaxially oriented films are prepared from curable mixtures containing an epoxy resin and a curing agent therefor. Certain of the mesogen containing biaxially oriented films possess unique properties, such as a metallic like, highly ref...
10/24/1995
5458929Cure controlled catalyzed mixtures of epoxy resins and curing agents containing mesogenic moieties, B-staged and cured products therefrom
Laminates containing one or more plies of substrate material impregnated with a composition containing (A) one or more epoxy resins, (B) one or more curing agent and (C) about 0.00005 to about 0.1 mole per epoxide equivalent of cure controlling catalyst, ...
10/17/1995
5414125Diamino-alpha-alkylstilbenes
A diamino-alpha-alkylstilbene useful as an epoxy resin curing agent is represented by the following Formula I: ##STR1## wherein R is independently hydrogen, a C1 -C10 hydrocarbyl(oxy) group or a halogen, nitro, nitrile, phenyl o...
05/09/1995
5391651Curable mixtures of mesogenic epoxy resins and mesogenic polyamines and cured compositions
Compositions comprising epoxy resins containing one or more rodlike mesogenic moieties per molecule are cured with polyamines containing one or more rodlike mesogenic moieties per molecule. These curable compositions can be oriented by the application of ...
02/21/1995
5362822Mesogenic adducts
An adduct is prepared by reacting (A) a compound containing at least one epoxy group per molecule, with (B) a compound containing at least one epoxide reactive group per molecule selected from the group consisting of phenolic, thiol, secondary amine and c...
11/08/1994
1      
 
Sign InRegister
Username  
Password   
forgot password?