Matches 51 - 100 out of 301 < 1 2 3 4 5 6 7 >
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6133211 Block copolymers, their preparation and their use as lubricants  
Block copolyethers having general formula (I): RX--(CH 2 --CHR 1 --O--) x --(--CH 2 CHR 2 --O--) y --(--CH 2 --CHR 3 --O--) z --R 4 wherein: R is selected from H, alkyl, alkylaryl; ...
6103029 Triazole cross-linked polymers  
Polyethers containing pendant azide groups are cured without a catalyst by yclo-addition with diacetylenes to form triazole cross-linked, energetic binders having improved mechanical properties and...
6099759 2-adamantyl benzopyrans, the compositions and (co)polymer matrices containing them  
The present invention has for subjects, novel benzopyran derivatives, substituted in position 2 with an adamantyl group as well as the compositions and (co)polymer matrices containing such...
6063286 Modified, fine-particle, water-insoluble aziridine polymer and use therefore for removing heavy metals from aqueous solution  
6054492 Fluorinated copolymeric pharmaceutical adjuncts  
Block copolymers containing a fluorinated hydrocarbon unit, a hydrocarbon unit, and a poly(oxyethylene) unit are useful in fluid formulations of pharmaceutical agents. A typical embodiment is: C...
6020457 Disulfide-containing dendritic polymers  
Dendritic polymers containing disulfide functional groups which are essentially inert under non-reducing conditions, but which form sulfhydryl groups upon being subjected to a reducing agent are...
5994495 Selectively functionalizable desdendrimers  
A new class of branched dendrimeric macromolecules, is described essentially consisting of a polyvalent central nucleus and a series of polyoxaalkylene "dendra". Such molecules are characterized by...
5891968 Method of making self-doped zwitterionic heterocyclic polymers  
A self-doped conducting polymer having along its backbone a π-electron conjugated system which comprises a plurality of monomer units, between about 0.01 and 100 mole % of the units having...
5859146 Impact-resistant thermoplastic molding materials  
Thermoplastic molding materials contain A) from 10 to 99.5% by weight of a thermoplastic polymer selected from the group consisting of the polyoxymethylenes, polyolefins, polyesters,...
5854385 Coating compositions with low molecular weight carbamate or urea component  
A coating composition is disclosed that includes: (A) a multi-functional compound having (1) at least one carbamate or urea functional group, (2) at least one other functional group which...
5852139 Mixtures of thermoplastics and oxidized polyarlene sulfides  
Polymer mixtures which comprise at least one thermoplastic and at least one oxidized polyarylene sulfide show particularly good tribological behaviour. The thermoplastics of the mixture are, for...
5830948 Polymerizable macromonomers and polymers prepared therefrom  
Polyoxazolines having the structural formula: ##STR1## wherein R is phenylene or alkylene containing 2 to 18 carbon atoms, R 2 is C 1 -4 alkyl and R 1 is selected from the group consisting of C 1...
5786308 Flow controllers for powder lacquers  
A new group of polymer flow controllers for powder resin lacquer is provided. The polymer flow controllers contain groups ##STR1## wherein n and m are numbers from 0 to 1000 with the sum of...
5773527 Non-crosslinked, polybranched polymers  
This invention discloses non-crosslinked, poly-branched polymers having a comb-burst configuration and a process for preparing such polymers.
5770673 Non-sagging, light stable polyurethane compositions, a process for producing them, and their use as seam sealants  
The present invention relates to non-sagging, light stable polyurethane compositions. These non-sagging, light stable polyurethane compositions are the reaction product of a liquid hexamethylene...
5747603 Polymers used in elastomeric binders for high-energy compositions  
Difunctional, hydroxyl-terminated polymers in which the terminal hydroxyl group is non-primary or hindered are end-capped to provide unhindered, primary, terminal hydroxyl groups which promote an...
RE35759 Polyester-acrylic graft polymers for use in powder coatings  
A thermosetting powder paint coating containing a polymeric binder comprising a polyester graft acrylic copolymer and a low molecular weight crystalline polyester. The coatings can be pigmented or...
5688873 Electroconductive polymer and process for producing the polymer  
Electroconductive polymers having a chemical structure represented by, for example, the formula (I) ##STR1## wherein R 1 and R 2 independently represent H, a C 1 to C 20 alkyl or alkoxy group,...
5684096 Adducts of polyalkylene glycol and diglycidyl ether  
Water-in-oil emulsions are broken by the use of adducts prepared by reacting high molecular weight polyalkylene glycol with ethylene oxide, or diglycidyl ether, or both ethylene oxide and...
5684094 Curable resin composition  
A curable resin composition comprising (a) an oxyalkylene polymer comprising at least one reactive silicon group per molecule and having a number average molecular weight of not less than 3000 and...
5681904 Azido polymers having improved burn rate  
A polymer material formed from the reaction between ingredients comprising an azido polymer containing at least about 5 weight percent azido groups; and at least one multifunctional dipolarophile...
5674951 Abrasion-resistant and low friction coating compositions  
Coating compositions are disclosed which use a polyoxetane polymer having CH 2 --O---CH 2 --R f side chains where R f is a highly fluorinated alkyl or polyether. The coating compositions use...
5663289 Preparation and polymerization of initiators containing multiple oxetane rings: new routes to star polymers  
This invention relates to novel multifunctional oxetanes, i.e., compounds having multiple oxetane groups, which are useful as initiators in the preparation of star polymers and polymer cascades...
5635581 Fullerene polymers  
The present invention relates to a polymer including a fullerene core and a plurality of prepolymer units. Each of the prepolymer units is linked to a carbon atom of the core by a moiety...
5610241 Reactive graft polymer with biodegradable polymer backbone and method for preparing reactive biodegradable polymers  
Graft polymers with reactive groups for linking to peptides for use in tissue engineering and to drugs to provide drug delivery systems and useful per se to release amino acids and useful, for...
5602209 Creping adhesive containing oxazoline polymers  
A creping adhesive containing about 1% to about 25% polyoxazoline by weight, which imparts softness and resistance to bleaching, to a cellulosic web, and methods of using same are provided.
5556925 Polyurethane resin, process for preparing the same and printing ink for laminate containing the same  
Disclosed is a polyurethane resin which is a reaction product of a high molecular weight polyol compound having a molecular weight of 3,000 to 10,000, a low molecular weight polyol compound having...
5530075 Curable resin composition  
The instant invention pertains to a curable resin composition comprised of A) 100 parts by weight curable resin, and B) 0.1-500 parts by weight of an organopolysiloxane having organic groups that...
5525646 Bioresorbable material and an article of manufacture made of such material for medical use  
This invention relates to a bioresorbable material and an article of manufacture of such material for medical use comprising homopolymers, copolymers, or a blend thereof selected from the group of...
5516854 Method of producing thermoplastic elastomers having alternate crystalline structure such as polyoxetane ABA or star block copolymers by a block linking process  
A method of preparing a thermoplastic elastomer having A blocks and at least one B block, wherein said A blocks are crystalline at temperatures below about 60° C. and said B block is amorphous at...
5506309 Perfluorinates polyethers  
This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.
5457149 Reworkable adhesive for electronic applications  
Reworkable adhesive that has a high shear strength through a range of use temperatures but which has a low strength and is reworkable at a suitable processing temperature.
5439978 Oxazine -and oxazoline-based copolymers useful as antielectrostatic agents and polymeric compositions prepared therewith  
Novel polymers for rendering a nonconductive material conductive are disclosed. The polymers may be block copolymers comprised of a first block of polyoxazine or polyoxazoline and a second block...
5412068 Medical devices fabricated from homopolymers and copolymers having recurring carbonate units  
This invention relates to medical devices formed totally or in part from homopolymers or copolymers comprising recurring carbonate moieties.
5338428 Poly(N-Acylalkylenimine) electrophoresis support media  
Electrophoresis support media which include one or more poly(N-Acylalkylenimine) polymers (PAEI). The polymers have the formula ##STR1## wherein m and p are between 1 and 3, n is between about 100...
5284980 Block copolyethers via oxonium coupling of poly(tetramethylene ether) glycols  
Treatment of poly(tetramethylene ether) glycols with acid catalysts at elevated temperatures leads to a chain coupling with rapid increase in molecular weight. Various alcohols including diols and...
RE34514 Electrically conductive composition of polyheteroaromatic compounds and polymeric sulfates  
A composition comprising (a) at least one oxidized polycationic polyheteroaromatic compound and (b) at least one polyanion of a film-forming thermoplastic polymer containing sulfated alcohol groups...
5210153 Thermoplastic elastomers having alternate crystalline structure for us as high energy binders  
Novel block polymers which are thermoplastic elastomers which are thermoplastic elastomers are provided for use as binders in high-energy compositions such as propellants, explosives, gasifiers or...
5206308 Grafting of amine functional polymers onto functionalized oxymethylene polymers and the resulting graft polymers thereof  
Novel oxymethylene graft polymers are obtained by grafting, via Michael addition, an amine functional polymer onto an oxymethylene backbone having pendant acrylate or substituted acrylate ester...
5179172 Epichlorohydrin or chlorine-containing vinyl or acrylate (co)polymer-modified amines  
Curing agents for epoxy resins composed of (a) the reaction product of a co-reactant comprising either an epichlorohydrin (co) polymer or a (co)polymer of a chlorovinyl acetate, chloroalkyl...
5173542 Bistriazene compounds and polymeric compositions crosslinked therewith  
Bistriazene compounds such as ##STR1## are useful for crosslinking polymers such as poly(imides), poly(aryl ether ketones), poly(aryl ether sulfones), poly(quinolines), poly(quinoxalines), and...
5166224 Vulcanizable non-crystalline acetal elastomers  
Non-crystalline elastomeric acetal polymers are disclosed which have ethylenic unsaturation in the polymer backbone. The polymers are synthesized by the ring-opening polymerization of...
5151489 Copolymers containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties  
Block copolymers can be formed from heterocyclic polymers such as PBO and thermoplastic polymers such as polyamide or poly(aromatic ether ketone). The block copolymer compositions are thermoplastic...
5145945 Homopolymers and copolymers having recurring carbonate units  
This invention relates to medical devices formed totally or in part from homopolymers or copolymers comprising recurring carbonate moieties.
5099042 Synthesis of tetrafunctional polyethers and compositions formed therefrom  
Polymers are produced from 4 and 5 member cyclic ethers, which polymers have hydroxyl functionalities of 4. The cyclic ethers are polymerized with an acid catalyst and a tetraol initiator having...
5098505 Epoxy resin, thermoplastic polymer and hardener adhesive  
An adhesive composition comprising (A) An epoxide resin component, (B) A hardener component, and incorporated in either or both/or (A) and (B) a thermoplastic polymer, mixtures thereof and...
5093462 Hydroxy functional epoxidized amino resins  
Hydroxy functional epoxidized amino resins comprising glycidamide groups. The polyglycidamides are produced from alkoxymethyl amino resins by reaction with acrylamide, followed by reaction with a...
5089568 Process of making thermoplastic copolymers containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties  
Block copolymers can be formed from heterocyclic polymers such as PBO and thermop STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under contracts F49620-86-C-0057...
5079299 Mold release composition  
This invention provides a mold release composition copmrising (1) a compound or a polymer having at least one of perfluoroalkyl groups having 4 to 20 carbon atoms and perfluoroalkenyl groups having...
5071952 (Iodo-urea and iodo-isocyano) dioxepane trioxane copolymers  
Iodoisocyano, iodourea and oxazole modified 1,3 dioxep-5-ene ring monomers are synthesized and used in copolymerization reactions with trioxane to produce acetal copolymers with backbone functional...
Matches 51 - 100 out of 301 < 1 2 3 4 5 6 7 >