Assignee: University of Massachusetts Lowell

Location: Lowell, MA
No. of patents: 58

Number	Title	Issue Date
8143308	Synthesis of oligo/poly(catechins) and methods of use A method for synthesizing a biocompatible, water-soluble oligo/polyflavanoid, includes polymerizing an optionally substituted flavanoid with a polymerization agent in the presence of a biocompatible polymerization solubilizer, thereby producing the biocompatible, so...	03/27/2012
7786217	Organometallic-polyisomonoolefin block copolymers The present invention provides copolymers which include a plurality of constitutional units that correspond to at least one cationically polymerizable isomonoolefin species and a plurality of constitutional units that correspond to at least one anionically polymeriz...	08/31/2010
7767762	Methods for forming copolymers comprising olefin and protected or unprotected hydroxystyrene units Novel methods for forming copolymers, including block copolymers, which comprise one or more olefin units and one or more protected or unprotected hydroxystyrene units are provided. ...	08/03/2010
7754267	Polymeric antioxidants Antioxidant polymers of the present invention comprise repeat units that include one or both of Structural Formulas (I) and (II): wherein: R is —H or a substituted or unsubstituted alkyl...	07/13/2010
7727571	Polymeric antioxidants Antioxidant polymers of the present invention comprise repeat units that include one or both of Structural Formulas (I) and (II): wherein: R is —H or a substituted or unsubstituted alkyl...	06/01/2010
7671158	End-capped polymer chains and products thereof According to an aspect of the present invention, a method is provided in which a double diphenylethylene compound is reacted with a polymer that contains a carbocationically terminated chain thereby providing a 1,1-diphenylene end-functionalized chain. Subsequently,...	03/02/2010
7601378	Polymeric antioxidants The following is an examiner's statement of reasons for allowance: an antioxidant polymer and method of preparing, the antioxidant comprising repeat units that include one or both of Structural Formulas (I) and (II) wherein R is —H or a substituted or unsubstitute...	10/13/2009
7595074	Polymeric antioxidants A method of preparing a phenolic polymer comprising: a) protecting at least one hydroxyl group of a substituted or unsubstituted phenol represented by Structural Formula (XXIX), wherein: R11, R12, R13, R14 and R15	09/29/2009
7507454	Polymeric antioxidants Antioxidant polymers of the present invention comprise repeat units that include one or both of Structural Formulas (I) and (II): wherein: R is —H or a substituted or unsubstituted alkyl...	03/24/2009
7417092	End-capped polymer chains and products thereof Methods are described herein for converting carbocationically terminated polymers to anionically terminated polymers. These methods comprise: (a) providing a carbocationically terminated polymeric moiety; (b) reacting the carbocationically terminated polymeric moiet...	08/26/2008
7323511	Post-coupling synthetic approach for polymeric antioxidants A method of preparing an antioxidant polymer includes forming or obtaining a first polymer having reactive pendant groups, where the first polymer does not include cyclic anhydride repeat units, and derivatizing the first polymer with an antioxidant. Another method ...	01/29/2008
7294686	Polymerization of aromatic monomers using derivatives of hematin Hematin, a hydroxyferriprotoporphyrin, is derivatized with one or more non-proteinaceous amphipathic groups. The derivatized hematin can serve as a mimic of horseradish peroxidase in polymerizing aromatic monomers, such as aromatic compounds. These derivatized hemat...	11/13/2007
7226979	Copolymers comprising olefin and protected or unprotected hydroxystyrene units Novel copolymers, including block copolymers, which comprise: (a) a plurality of constitutional units that correspond to one or more olefin monomer species and (b) a plurality of constitutional units that correspond to one or more protected or unprotected hydroxysty...	06/05/2007
7223432	Polymeric antioxidants Antioxidant polymers of the present invention comprise repeat units that include one or both of Structural Formulas (I) and (II): wherein: R is —H or a substituted or unsubsti...	05/29/2007
7097748	Electrolyzer pressure equalization system An energy storage system has a first pressurized tank for carrying water and hydrogen gas and a second pressurized tank for carrying water and oxygen gas. A first output line connects to the pressurized tank for carrying hydrogen gas from the tank. A second output l...	08/29/2006
7056985	End-capped polymer chains and products thereof According to an aspect of the present invention, a method is provided in which a double diphenylethylene compound is reacted with a polymer that contains a carbocationically terminated chain thereby providing a 1,1-diphenylene end-functionalized chain. Subsequently,...	06/06/2006
7031502	Adjustable guide for viewing biometric surface patterns A guide can provide proper registration of an object such as a hand above a scanner device for imaging. The guide can include windows or slits so that the scanner device can produce an image such as a finger or palm in a natural state rather than being pressed again...	04/18/2006
6961449	Method of correlation of images in biometric applications A method and apparatus for computing correlating images for image recognition is provided. In particular, the method is used to compare images of a biometric object to authorize an individual or verify whether an individual is the person he claims to be. The biometr...	11/01/2005
6833571	Transistor device including buried source A transistor device includes a gate region disposed adjacent to a semiconductor substrate such that a low impedance channel is formed between a source region and drain region of a transistor device when a voltage is applied to its gate. The drain region of the devic...	12/21/2004
6829269	Systems and methods using phonon mediated intersubband laser The present invention is directed to the development of compact, coherent sources emitting in the terahertz frequency region using interface phonons. In accordance with a preferred embodiment, a semiconductor heterostructure light emitting device includes a quantum ...	12/07/2004
6750267	Radiation-curable polymeric composition Disclosed herein are radiation-curable polymers, a method of preparing radiation-curable polymers and compositions containing radiation-curable polymers. Radiation-curable polymers and compositions containing radiation-curable polymers are useful as coatings and adh...	06/15/2004
6534294	Production of chitosan-and chitin-like exopolymers A method of producing biosynthetic copolymers comprising glucose and glucose analogs is provided. Glucose:glucose analog copolymers such as glucose:glucosamine, glucose:N-acetylglucosamine and glucose:glucosamine:N-acetylglucosamine are also provided....	03/18/2003
6469115	Virtually telechelic silyl-functional polyisobutylene A method for preparing a moisture-curable, virtually telechelic, silyl-functional polyisobutylene is disclosed, said method comprising reacting, in the presence of a Lewis acid, (A) isobutylene; (B) an initiator of the formula ##STR1## (C) a styryl comono...	10/22/2002
6350515	Biomolecular synthesis of quantum dot composites A biomimetic approach utilizing biomolecular self-assembly is described to form nanometer particle size composites for uses, such as, nonlinear optical media. Yeast tRNA was utilized as an ion-exchange/nucleation site within a polymeric matrix (polyacryla...	02/26/2002
6294593	Method and crosslinkable polymers for forming crosslinked second order nonlinear optical polymers Crosslinkable polymers which can exhibit second order nonlinear optical properties and methods of forming and crosslinking such polymers are disclosed. The crosslinkable polymers are combined with a crosslinking agent. Optionally, the crosslinking agent c...	09/25/2001
6268451	Silyl-functional pseudo-telechelic polyisobutylene terpolymers A method for preparing a moisture-curable, pseudo-telechelic, silyl-functional polyisobutylene terpolymer is disclosed, said method comprising reacting, in the presence of a Lewis acid and a solvent, (A) an isobutylene monomer; (B) a isopropenylphenyl comonome...	07/31/2001
6194597	Living cationic polymers prepared from silyl-functional aromatic initiators There is disclosed a method for preparing a silyl-functional living cationic polymer which can be subsequently coupled to form a moisture-curable telechelic system, said method comprising reacting, in the presence of a Lewis acid, (A) at least one cationi...	02/27/2001
6153272	Liquid crystal alignment by covalently bound anisotropes A polymer surface in contact with a liquid crystal medium is exposed to polarized light, whereby a covalently bound anisotropic component of the polymer surface aligns in response to the polarized light. Alignment of the anisotropic component causes align...	11/28/2000
6051657	Silyl-functional living cationic polymers There is disclosed a method for preparing a silyl-functional living cationic polymer which can be subsequently coupled to form a moisture-curable telechelic system, said method comprising reacting, in the presence of a Lewis acid, (A) at least one cationi...	04/18/2000
6046281	Method for coupling living cationic polymers A method for coupling a living cationic polymer is disclosed, said method comprising reacting the living cationic polymer with an organic compound having at least 2 furan rings in its molecule, said reaction taking place in the presence of a Lewis acid. P...	04/04/2000
6037830	Tailored field in multigate FETS A uniform tailored electrical field in a multigate field effect D-mode transistor is automatically provided by a feedback circuit which couples drain bias voltages to the gates of a multigate transistor to bias the gates incrementally such that the highes...	03/14/2000
6018018	Enzymatic template polymerization Polymers are formed enzymatically in the presence of an oligomeric or polymeric template. The method includes combining at least one redox monomer or, in some cases, a redox oligomer, with a template and an enzyme, such as horseradish peroxidase, to form ...	01/25/2000
6005058	Polydiacetylenes exhibiting extended wavelength absorption maxima Polydiacetylenes prepared from 2,4-hexadiyne monomers substituted with at least one side chain component, exhibit an absorption maximum wavelength maximum greater than that exhibited by polydiacetylenes formed from 1,6-di-N-carbazolyl 2,4-hexadiyne. Prefe...	12/21/1999
5985353	Biomolecular synthesis of quantum dot composites A biomimetic approach utilizing biomolecular self-assembly is described to form nanometer particle size composites for uses, such as, nonlinear optical media. Yeast tRNA was utilized as an ion-exchange/nucleation site within a polymeric matrix (polyacryla...	11/16/1999
5981785	Silyl-functional initiator for living cationic polymerization A novel initiator which may be used to prepare a silyl-functional living cationic polymer is disclosed, said initiator having the formula ##STR1## wherein R is independently selected from the group consisting of alkyl groups having 1 to 10 carbon ato...	11/09/1999
5968654	Modification of polymeric substrates using dense or liquified gases A method of modifying a polymeric substrate, such as polyethylene terephthalate and nylon 66, imparts water repellency and lubricity, and provides the additional benefit of reducing the soiling of fabrics. The method includes combining the polymeric subst...	10/19/1999
5777044	Coupling of polymers made by cationic polymerization A method for coupling a cationic polymer includes forming a reaction mixture of a cationic polymer and a bis(diphenylethylene). The reaction mixture is exposed to a temperature which causes the bis(diphenylethylene) to react with the cationic polymer, the...	07/07/1998
5756657	Method of cleaning plastics using super and subcritical media A method for treating a plastic, such as polyethylene or polypropylene, to remove at least a portion of at least one contaminant includes combining the plastic with a supercritical medium, such as carbon dioxide or sulfur hexafluoride, whereby at least a ...	05/26/1998
5690861	Coupling of polymers made by cationic polymerization A method for coupling a cationic polymer includes forming a reaction mixture of a cationic polymer and a bis(diphenylethylene). The reaction mixture is exposed to a temperature which causes the bis(diphenylethylene) to react with the cationic polymer, the...	11/25/1997
5677386	Capping of living polymers The present invention provides a process for the capping of a living polymer with a substituted or unsubstituted diphenyl alkylene. Diphenyl alkylene is defined to also include substituted or unsubstituted ଱-methoxystyrene, trans-stilbene, 1-isoprop...	10/14/1997

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Assignee: University of Massachusetts Lowell