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Class 528/419 - Two or more heterocyclic reactants containing rings of one oxygen and two carbon atoms


Subclass of Class 528 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein a polymer is derived from two or
No. of patents: 85
Last issue date: 04/22/2008


1      
NumberTitleIssue Date
7361728Electrically conducting materials from branched end-capping intermediates
The present invention relates to a class of conducting oligomers and polymers and to a method for the preparation of the same. The conducting oligomers and polymers contain an end-capping group, which is non-electrically conductive and contains at least one branch p...
04/22/2008
7300978Functionalised polymers
This invention relates to a process for stabilising and at the same time phase compatibilising plastics or plastic compositions by incorporating polymeric compounds obtainable by reacting a compound selected from the group consisting of the sterically hindered pheno...
11/27/2007
7291682Method of producing comb or star copolymers using epoxy-functionalized nitroxylethers
The present invention provides a method of forming comb or star copolymers. The comb or star copolymers are useful in surface modification of thermoplastic materials or as surfactants. The method is aimed at attaching a polymeric side chain differing in polarity and...
11/06/2007
7268204Complex of a multimetal cyanide compound and methods of forming polyethercarbonate polyols
A method of forming a polyethercarbonate polyol enhances incorporation of CO2 into the polyethercarbonate polyol. The method provides a catalyst including a multimetal cyanide compound. The multimetal cyanide compound has an ordered structure defined by a...
09/11/2007
7112635Acid catalyzed copolymerization of water, tetrahydrofuran and multifunctional epoxides and uses thereof
Non-gelled polymeric polyols are prepared by the acid catalyzed copolymerization of water, tetrahydrofuran and multifunctional epoxy resins. The polyols can be cured with OH reactive crosslinkers such as amino resins and polyisocyanates to yield thermosetting coatin...
09/26/2006
7078443Viscoelastic foam layer and composition
A viscoelastic foam is provided having an amine-based polyol system to impart strength, recoverability and endurance to the foam, and an appropriately selected trifunctional non-amine-based polyol system to provide flexibility to the foam. The combination of amine-b...
07/18/2006
7056978Toughened epoxy-anhydride no-flow underfill encapsulant
A curable underfill encapsulant composition which is especially useful in the no-flow underfill encapsulation process. The composition contains an epoxy resin, a fluxing agent, a linear polyanhydride, a core shell polymer and a catalyst. In an alternative embodiment...
06/06/2006
7045650Polyurethane elastomers having improved physical properties and a process for the production thereof
A polyol composition having a number average molecular weight of from about 1,000 to about 3,000 Daltons is made up of (1) at least 60% by weight of a low monol polyoxypropylene polyol having a number average molecular weight of from about 2,000 to 12,000 Da and a d...
05/16/2006
7037399Underfill encapsulant for wafer packaging and method for its application
A curable underfill encapsulant composition that is applied directly onto semiconductor wafers before the wafers are diced into individual chips. The composition comprises a thermally curable epoxy resin, a solvent, an imidazole-anhydride curing agent, fluxing agent...
05/02/2006
6894116S,S′-bis-(α, α′—disubstituted—α″—acetic acid)—trithiocarbonates and polymers thereof for toughening thermosetting resins
A toughener comprising a trithiocarbonate polymer having an epoxy end group is described which is utilized with various thermosettable polymers such as epoxy, polyurethane, and the like. A toughened composition is made by curing the thermosettable polymer and the to...
05/17/2005
6800720Hydrogenated ring-opening metathesis copolymer and process for producing the same
A hydrogenated ring-opening metathesis polymer which contains at least a structural unit [B] of the following general formula [3] and/or a structural unit [C] of the following general formula [4]: wherein, R8 ...
10/05/2004
6794451Cationically polymerizable liquid composition and tacky polymer
A cationically polymerizable liquid composition is formed from a cationically polymerizable mixture (A) and a solid resin (B) that is compatible with the mixture (A) at room temperature and has a softening point of at least 40° C., so that the composition has a vis...
09/21/2004
6762278Process for the copolymerization of alkylene oxides and carbon dioxide using suspensions of multi-metal cyanide compounds
A method of forming a polyethercarbonate polyol using a multimetal cyanide compound is disclosed. The method includes providing a multimetal cyanide compound having a crystalline structure and a content of platelet-shaped particles of at least 30% by weight, based o...
07/13/2004
6740732Phosphorus element-containing crosslinking agents and flame retardant phosphorus element-containing epoxy resin compositions prepared therewith
Novel phosphorus element-containing epoxy resin compositions and novel phosphorus-element containing epoxy resin compositions based on an isomeric mixture of tris(2-hydroxyphenyl)-phosphine oxide compounds including non-halogenated, ignition resistant epoxy resin fo...
05/25/2004
6653441Method for production of polyether alcohols
In a process for preparing polyether alcohols by catalytic addition of at least two alkylene oxides onto H-functional initiator substances, at least one multimetal cyanide compound is used as catalyst and the addition of the alkylene oxides onto the initi...
11/25/2003
6639046Composition comprising mercapto-functional compounds
The present invention relates to a composition comprising: a compound comprising two or more olefinically unsaturated groups comprising at least on electron-withdrawing functionality linked to a carbon atom of the unsaturated bond; a compound comprising a...
10/28/2003
6624216No-flow underfill encapsulant
A curable underfill encapsulant composition which is especially useful in the no-flow underfill encapsulation process. The composition contains an epoxy resin, a fluxing agent, a linear polyanhydride and a catalyst. In an alternative embodiment, the compo...
09/23/2003
6565976High strength pultrusion resin
A pultrusion resin composition comprising about 75 wt % to about 85 wt % of a phenolic resin, about 9 wt % to about 20 wt % of the reaction product of a polyhydroxy compound and an epoxy-functional polysiloxane, about 6 wt % to about 15 wt %, of a phenoli...
05/20/2003
6552102Pigment flakes
Described are chiral liquid crystalline polymer materials and polymerizable compounds used for preparing them. The polymer materials can serve as a carrier material or are coated onto a carrier material. Also described are methods of making such materials...
04/22/2003
6482868Accelerators useful for energy polymerizable compositions
Accelerators that can be useful for an energy polymerizable composition comprising a cationically curable material; energy polymerizable -compositions comprising at least one cationically curable material and an initiation system therefor, the initiation ...
11/19/2002
6462106Amino-polyether-modified epoxy and cationic electrodeposition paint composition containing the same
Disclosed is a novel amino-polyether-modified epoxy for an electrodeposition paint. The amin-polyether-modified epoxy compound is obtained by reacting amino polyether represented by a formula as follow: ##STR1## wherein m is an integer of 5 or more, R is ...
10/08/2002
6441121Epoxy compounds containing styrenic or cinnamyl functionality
A curable composition comprises a compound having at least one epoxy group and at least one styrenic or cinnamyl group per molecule....
08/27/2002
6403220Phosphorus element-containing crosslinking agents and flame retardant phosphorus element-containing epoxy resin compositions prepared therewith
Novel phosphorus element-containing crosslinking agents for epoxy resin compositions based on an isomeric mixture of tris(2-hydroxyphenyl)-phosphine oxide compounds. Epoxy resins cured or crosslinked with the crosslinking agents of this invention yield ...
06/11/2002
6268403Photopolymerizible compositions containing cycloaliphatic epoxyalcohol monomers
A method of accelerating the cure rate of an epoxy curing composition includes combining a cycloaliphatic epoxyalcohol monomer, a non-hydroxyl-containing epoxy monomer and a cationic photoinitiator to form an epoxy curing composition, and exposing the cur...
07/31/2001
6255440Copolyacetal
Polyacetal copolymers, obtained by copolymerizing (A) 100 parts by weight of trioxane, (B) 0.01 to 10 part(s) by weight of at least one compound selected from among glycidyl ether compounds of the following general formula (I), (II) or (III) and (C) 0 to ...
07/03/2001
6172182Process for the manufacture of epoxy compounds
Process for the manufacture of epoxy compounds having the formula ##STR1## wherein Rb represents a group selected from those of the formulae ##STR2## Rg.paren open-st.Q.paren close-st.b -alkyl(Q.paren close-st.a --~, ##STR3## by...
01/09/2001
6159389Polyether copolymer and crosslinked solid polymer electrolyte
A polyether copolymer having a weight-average molecular weight of 104 to 107, comprising 5 to 40% by mol of a repeating unit derived from epichlorohydrin, 95 to 60% by mol of a repeating unit derived from ethylene oxide, and 0.001 to...
12/12/2000
6133211Block copolymers, their preparation and their use as lubricants
Block copolyethers having general formula (I): RX--(CH2 --CHR1 --O--)x --(--CH2 CHR2 --O--)y --(--CH2 --CHR3 --O--)z --R4 wherein: R is selected from H, al...
10/17/2000
6124418Selective catalysts for the synthesis of epoxysilicone monomers and polymers
The invention provides a method for making a curable epoxysilicone composition through the hydrosilation reaction between an ethylenically unsaturated epoxide and an SiH-containing silicone to produce an epoxysilicone product, and catalyzed by a quaternar...
09/26/2000
6103850Sealants made using low unsaturation polyoxyalkylene polyether polyols
There is provided an sealant made with an isocyanate or hydroxyl terminated prepolymer made by reacting a stoichiometric excess of an organic polyisocyanate with polyols made of at least a polyoxyalkylene polyether triol or a mixture thereof with a polyox...
08/15/2000
6069210Phosphate esters of polyoxyalkylene ether block copolymers and their dispersants
A composition comprising a particulate solid and a dispersant which is a phosphate ester of a compound of formula 1: ##STR1## wherein Y is methoxy or H--(EO)q, m and q are each independently from 5 to 50 and n is from 5 to 70. When Y is a ...
05/30/2000
6051627Phosphate esters of polyalkylene ether block copolymers and their use as dispersants
A dispersant which is a phosphate ester of a polyalkylene ether block copolymer of formula MeO(C2 H4 O)m (C3 H6 O)n --H wherein m and n are each, independently, 2 to 60 and use in aqueous b...
04/18/2000
6034208Copolymers useful as cement additives and a process for their preparation
Unique, well defined macromonomers containing hydroxyl-functionality, unsaturation-functionality, and polyoxyalkylene segments are prepared by oxyalkylating an unsaturated initiator molecule having at least one oxyalkylatable hydrogen in the presence of a...
03/07/2000
5998574Compositions of polytetramethylene ether glycols and polyoxy alkylene polyether polyols having a low degree of unsaturation
Thus, there is provided according to the present invention polyol compositions comprising (A) a polytetramethylene ether glycol, and (B) a difunctional active hydrogen compound-initiated polyoxyalkylene polyether polyol having a degree of unsaturation of not g...
12/07/1999
5998559Single-ion conducting solid polymer electrolytes, and conductive compositions and batteries made therefrom
A single-ion electrolyte achieves conductivity greater than 10-3 S/cm at 20° C. by employing repeating mer units which are functionalized by fluoroalkylsulfonate groups. Preferred backbones for the electrolyte include polysiloxanes, polymethac...
12/07/1999
5981624Composition and use
A reduced shade paint or ink comprising (a) a base paint or ink comprising a base pigment such as titanium dioxide, a film-forming resin and a non-polar liquid such as white spirits; (b) one or more dispersant which is a phosphate ester of a compound of formul...
11/09/1999
5891960Coating compositions with citric acid containing polymers for enhanced adhesion to substrates
Coating compositions comprised of a film forming polymer which is the reaction product of (a) a compound containing pendant and/or terminal hydroxyl or epoxy functional groups and (b) citric acid or citric acid anhydride. The coating compositions have enh...
04/06/1999
5859211Conjugated polymers containing heterospiro atoms and their use as electroluminescence materials
A conjugated polymer comprising repeating units of the formula (I), ##STR1## where the symbols and indices have the following meanings: .PSI. is an element of the 4th main group of the Periodic Table with the exception of carbon; D, E, F, G are ident...
01/12/1999
5854386Stabilizers for polymer polyols
Unique, well defined polyethers containing both hydroxyl-functionality and unsaturation-functionality are prepared by oxyalkylating an unsaturated monomer having at least one oxyalkylatable hydrogen in the presence of an effective amount of a double metal...
12/29/1998
5792829Polyurethane elastomers exhibiting improved demold, green strength, and water absorption, and haze-free polyols suitable for their preparation
Polyurethane elastomers exhibiting improved green strength while maintaining short demold times are prepared from ultra-low unsaturation polyoxypropylene polyols containing up to 20 weight percent internal random oxyethylene moieties. The elastomers adsor...
08/11/1998
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