Previously Formed Solid Polymer Chemically Reacted With Natural Resin Or Derivative Patents (Class 525/54.42)
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Patent number: 11504877Abstract: The present invention relates to a process for preparing a modified wood product wherein the wood is treated with low-molecular weight resin based on lignin degradation products. The present invention also relates to a modified wood product produced using said process.Type: GrantFiled: December 18, 2018Date of Patent: November 22, 2022Assignee: Stora Enso OYJInventors: Marco Fleckenstein, Vladimirs Biziks, Holger Militz, Carsten Mai, Duncan Mayes, Janne Pynnönen
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Patent number: 11034858Abstract: A three-step method to prepare a light-colored rosin ester is disclosed wherein at least in one of the steps (a) and (c) a co-catalyst is applied and wherein at least in one of the steps (a) and (c) a disproportionation catalyst is applied. In the second step, a distilled rosin is obtained which is esterified with a polyol into a light-colored rosin ester. In one embodiment, the co-catalyst has a triplet formation quantum yield (?T) of greater than 0.5 and a triplet lifetime (?T) of greater than 0.5 microseconds. In another embodiment, the co-catalyst is selected from acridone, anthrone, 9-fluorenone, thioxanthone, xanthone, derivatives and combinations thereof.Type: GrantFiled: November 19, 2019Date of Patent: June 15, 2021Assignee: Kraton Polymers LLCInventors: Mark C Schaapman, Jos H. M. Lange
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Patent number: 10472502Abstract: A process for the preparation of a shaped rubber composition comprising combining a rubber compound with an extender compound to produce a mixture; drying the mixture to produce a dried mixture; and shaping the mixture wherein the extender compound comprises a natural or hydrocarbon resin, which possesses a glass transition temperature of at equal to or greater than about ?70° C. and an acid value of 50 mg KOH/g or less and wherein the mixture is shaped into particles or bales.Type: GrantFiled: December 30, 2016Date of Patent: November 12, 2019Assignee: Kraton Polymers U.S. LLCInventor: Wolfgang Pille-Wolf
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Patent number: 10184022Abstract: Polymeric materials and methods for making the polymeric materials utilizing bisphenolic stillbottoms, lignosulfonates, or both are disclosed. In one embodiment, a polymer is provided that includes a condensate of bisphenolic stillbottoms, an optional phenolic compound independent of bisphenolic stillbottoms, an aldehyde, and a lignosulfonate compound. The condensate may further include an amino compound, a catalyst, or combinations thereof. Alternatively, the polymer may be free of a phenolic compound independent of bisphenolic stillbottoms. The polymers may be used in the manufacture of articles including composites, laminates and paper products.Type: GrantFiled: February 16, 2017Date of Patent: January 22, 2019Assignee: HEXION INC.Inventors: Adam Daniel Dowden, Harden Christopher Wren, Todd Ross Miller
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Patent number: 9598580Abstract: Polymeric materials and methods for making the polymeric materials utilizing bisphenolic stillbottoms, lignosulfonates, or both are disclosed. In one embodiment, a polymer is provided that includes a condensate of bisphenolic stillbottoms, an optional phenolic compound independent of bisphenolic stillbottoms, an aldehyde, and a lignosulfonate compound. The condensate may further include an amino compound, a catalyst, or combinations thereof. Alternatively, the polymer may be free of a phenolic compound independent of bisphenolic stillbottoms. The polymers may be used in the manufacture of articles including composites, laminates and paper products.Type: GrantFiled: March 9, 2015Date of Patent: March 21, 2017Assignee: HEXION INC.Inventors: Adam Daniel Dowden, Harden Christopher Wren, Todd Ross Miller
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Patent number: 9023933Abstract: An autoxidisable coating composition comprising i) 10 to 60 wt % of an autoxidisable material with: a) a number average molecular weight <4500 g/mol; b) optionally 1 to 20 carbohydrate units; c) a fatty acid content of ?60 wt %; d) a viscosity at 100% solids in the range of from 0.05 to 5 Pa·s at 20+/?5° C. at a shear rate of 5000 s?1; ii) 90 to 40 wt % of an autoxidisable urethanised resin with: e) a number average molecular weight ?4000 g/mol; f) a fatty acid content of ?50 wt %; g) an acid value in the range of from 0 to 20 mgKOH/g resin; h) an isocyanate content in the range of from 1 to 35 wt % by weight of autoxidisable urethanised resin; where i)+ii)=100 wt %, based on the total solids content of the autoxidisable coating composition.Type: GrantFiled: April 27, 2010Date of Patent: May 5, 2015Assignee: DSM IP Assets B.V.Inventors: Willem Grisnich, Fokeltje Akke Koldijk, Adrianus Jozephus Hendricus Lansbergen, Albertus Johannes Reuvers, Stefan Hendrikus Maria Willems
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Publication number: 20150118490Abstract: Heat-curable adhesive composition: 47-60% of polyether/polyurethane bearing alkoxysilane end groups and polyurethanes bearing alkoxysilane end groups of formula (II): in which: R6 is a divalent C5-C15 hydrocarbon-based radical; R7 is a divalent C1-C3 alkylene radical; R8 and R9 are a C1-C4 alkyl; q is 0, 1 or 2; r is such that the number-average molar mass of the polymers of formula (II) is between 900 Da and 11 kDa; R10 is a divalent polyester block with a hydroxyl number IOH of between 40 and 60 mg KOH/g; 37-50% of a compatible tackifying resin; and 0.01-3% of a crosslinking catalyst.Type: ApplicationFiled: October 24, 2014Publication date: April 30, 2015Applicant: BOSTIK S.A.Inventors: Olivier LAFERTE, Stéphane FOUQUAY
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Publication number: 20150118489Abstract: Heat-curable adhesive composition: (a) a polyurethane composition (A) of formula: in which R1 is a hydrocarbon-based radical; R2 is a polyester block; R3 is a linear C1-C3 alkylene radical; R4 and R5 are a C1-C4 alkyl; m is an integer such that the molar mass of the said polyurethanes is 900-27 000 Da; p=0, 1 or 2; obtained by producing polyester diols by polycondensation of: (i) dimerized fatty acids with an acid number of 190-200 mg KOH/g with a C2-C44 diol optionally having O or S; or (ii) dimerized fatty alcohols with a hydroxyl number of 200-220 mg KOH/g with a C4-C44 dicarboxylic acid optionally having O or S; (b) 22-62% of a compatible tackifying resin (B); and (c) 0.01-3% of a crosslinking catalyst (C). Self-adhesive support obtained by preheating the adhesive composition, coating onto a support layer and then curing. Manufacture of self-adhesive labels and/or tapes.Type: ApplicationFiled: October 23, 2014Publication date: April 30, 2015Applicant: BOSTIK S.A.Inventors: Olivier LAFERTE, Stephane FOUQUAY
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Publication number: 20150073092Abstract: Methods for forming rosin-derived cationic compounds are provided. The method can include attaching a cationic group to a conjugated diene on a hydrophenathrene-based ring of a resin acid (e.g., levopimaric acid, abietic acid, dehydroabietic acid, or a mixture thereof) to form a rosin-derived cationic compound. Attaching the cationic group to the conjugated diene on the hydrophenathrene-based ring of the resin acid can be achieved via a Diels-Alder reaction of a dienophile with the hydrophenathrene-based ring of the resin acid. Rosin-derived cationic compounds are also provided. The rosin-derived cationic compound can include a cationic group attached to a conjugated diene on a hydrophenathrene-based ring of a resin acid, wherein the rosin-derived cationic compound further comprises a carboxylic acid group.Type: ApplicationFiled: November 17, 2014Publication date: March 12, 2015Inventors: Chuanbing Tang, Jifu Wang, Alan W. Decho, Yung Pin Chen
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Patent number: 8901245Abstract: Methods for forming rosin-derived cationic compounds are provided. The method can include attaching a cationic group to a conjugated diene on a hydrophenathrene-based ring of a resin acid (e.g., levopimaric acid, abietic acid, dehydroabietic acid, or a mixture thereof) to form a rosin-derived cationic compound. Attaching the cationic group to the conjugated diene on the hydrophenathrene-based ring of the resin acid can be achieved via a Diels-Alder reaction of a dienophile with the hydrophenathrene-based ring of the resin acid. Rosin-derived cationic compounds are also provided. The rosin-derived cationic compound can include a cationic group attached to a conjugated diene on a hydrophenathrene-based ring of a resin acid, wherein the rosin-derived cationic compound further comprises a carboxylic acid group.Type: GrantFiled: December 10, 2013Date of Patent: December 2, 2014Assignee: University of South CarolinaInventors: Chuanbing Tang, Jifu Wang, Alan W. Decho, Yung Pin Chen
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Publication number: 20140051807Abstract: Methods of forming polymer material from rosin-derived material are provided, along with the resulting polymers. For example, a plurality of functionalized resin acids having a polymerizable functional group via controlled living polymerization can be polymerized into the polymeric material such that each polymer defines a functional end group and the polymeric material has a polydispersity index of about 1 to about 1.5.Type: ApplicationFiled: October 28, 2013Publication date: February 20, 2014Inventor: Chuanbing Tang
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Patent number: 8604128Abstract: Methods for forming rosin-derived cationic compounds are provided. The method can include attaching a cationic group to a conjugated diene on a hydrophenathrene-based ring of a resin acid (e.g., levopimaric acid, abietic acid, dehydroabietic acid, or a mixture thereof) to form a rosin-derived cationic compound. Attaching the cationic group to the conjugated diene on the hydrophenathrene-based ring of the resin acid can be achieved via a Diels-Alder reaction of a dienophile with the hydrophenathrene-based ring of the resin acid. Rosin-derived cationic compounds are also provided. The rosin-derived cationic compound can include a cationic group attached to a conjugated diene on a hydrophenathrene-based ring of a resin acid, wherein the rosin-derived cationic compound further comprises a carboxylic acid group.Type: GrantFiled: February 15, 2012Date of Patent: December 10, 2013Assignee: University of South CarolinaInventors: Chuanbing Tang, Jifu Wang, Alan W. Decho, Yung Pin Chen
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Publication number: 20120302699Abstract: In accordance with the present invention, by using a resin composition including lignin and a curing agent in which the lignin is soluble in an organic solvent and contained in the resin composition in an amount of from 10 to 90% by mass, there are provided a molded product and a composite molded product which are obtained from plant resources as a main raw material and to which a good flame retardance and a good antibacterial property are imparted.Type: ApplicationFiled: February 10, 2011Publication date: November 29, 2012Applicant: Hitachi Chemical Company, Ltd.Inventors: Mika Kobune, Naoyuki Koyama, Akihito Gotou, Ikuko Kikuchi, Tomofumi Sukegawa
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Publication number: 20120010358Abstract: A rosin-modified phenolic resin, comprising a product obtained by reaction of (a) a rosin material containing 0.4 to 10% of dihydroagathic acid, (b) a condensate of a phenolic compound and formaldehyde, and (c) a polyol. The rosin-modified phenol resin is suitable for printing ink applications, and the amount of printing ink mist can reduced without the luster of the printed materials being diminished while maintaining various ink capabilities (dryng properties, emulsifying properties, etc.).Type: ApplicationFiled: February 17, 2010Publication date: January 12, 2012Applicant: ARAKAWA CHEMICAL INDUSTRIES, LTD.Inventors: Shigeru Kawase, Hirokazu Hakata
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Publication number: 20110303376Abstract: Rosin is modified by maleation and then by imidization resulting in attaching a cationic polymer or cationic material upon the rosin. Alternatively, rosin can be fumarated and then cationic material attached by amide links. The products may be used for an efficient paper size and other applications of rosin products.Type: ApplicationFiled: June 15, 2010Publication date: December 15, 2011Applicant: PLASMINE TECHNOLOGY, INC.Inventors: Alan F. Nitzman, Michael T. Huggins, James D. Reeves, A. Timothy Royappa
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Patent number: 8057592Abstract: Cationic electrodepositable coatings comprising rosin, wherein the rosin forms part of the cationic resin backbone, are disclosed.Type: GrantFiled: July 20, 2007Date of Patent: November 15, 2011Assignee: PPG Industries Ohio, Inc.Inventors: David Fenn, Gregory J. McCollum
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Publication number: 20100331454Abstract: Modified epoxy resins comprising the reaction product of a cycloaliphatic, polycyclic and/or aromatic biomass derived compound and an epoxy resin are disclosed. Aqueous dispersions and coatings comprising these reaction products are also disclosed.Type: ApplicationFiled: September 7, 2010Publication date: December 30, 2010Applicant: PPG Industries Ohio, Inc.Inventors: David Fenn, Geoffrey R. Webster, Gregory J. McCollum
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Publication number: 20100204353Abstract: Isocyanate reactive materials of natural origin having an average isocyanate reactive functionality of less than about 1.5 can be used to enhance polyurethane foams. For instance, use of such materials often results in more open foams than is obtained in the same formulation without the materials. The materials also help maximize the level of renewable resource materials used in foams, especially with viscoelastic foams. The invention includes a polyol composition comprising at least one natural oil isocyanate reactive material having an average isocyanate reactive functionality of less than 1.5 in an amount greater than that naturally present in any natural oil polyol in the composition. While it is preferred to include at least one natural oil polyol in the polyol composition, doing so is optional.Type: ApplicationFiled: September 4, 2008Publication date: August 12, 2010Applicant: Dow Global Technologies Inc.Inventor: Francois M. Casati
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Publication number: 20100063204Abstract: [Problems] To produce a hyper-branched polymer having excellent resin strength, a good anti-blocking property and less environmental dependence. [Means for Solving Problems] Disclosed is a hyper-branched ester polymer which is modified with a rosin. Preferably, the polymer has a number average molecular weight of 1,000 to 60,000, a hydroxyl value of 2 to 450 mg KOH/g, an acid value of 1 to 70 mg KOH/g, a glass transition temperature of 30° C. or higher.Type: ApplicationFiled: August 21, 2007Publication date: March 11, 2010Applicant: TOYO BOSEKI KABUSHIKI KAISHAInventors: Ryo Hamasaki, Hideki Tanaka, Yasunari Hotta
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Publication number: 20100041821Abstract: An alkyd resin comprising A) a polyol-polyacid alkyd; and B) a composition comprising a highly esterified polyol polyester, wherein the polyester comprises a polyol residue and a plurality of fatty acids esters, and wherein from about 5% to about 80% of the fatty acid esters contains exactly one pair of conjugated double bonds.Type: ApplicationFiled: August 7, 2009Publication date: February 18, 2010Inventors: Delano R. Eslinger, Dennis A. Ryer, Neal Rogers, Roger S. Berger, Deborah J. Back
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Patent number: 7517924Abstract: According to the present invention there is provided a composition as obtained from a melt comprising esterified starch, preferably having a degree of substitution of at least about 1.5, and preferably an amylose content of at least about 50% by weight with respect to that of the starch, and a linear polyester. The invention further provides the composition in the form of a melt or when shaped into articles.Type: GrantFiled: December 30, 1994Date of Patent: April 14, 2009Assignee: Japan Corn Starch Co., Ltd.Inventors: Stephen Rimsa, Paul Tatarka
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Patent number: 7507474Abstract: The invention relates to thermoplastic compositions comprising a polymer matrix and an additive which modifies the rheological behavior of the matrix in the molten state. The purpose of the invention is to provide a preferably non-reactive additive which can be dispersed in the matrix and which can be used to obtain a good compromise in terms of rheological properties/mechanical properties. According to the invention, the additive is a hyperbranched polymer which is functionalized by R<2> radicals, R<2> being a radical of the following type: substituted or non-substituted hydrocarbon, of the silicon type, linear or branched alkyl, aromatic, arylalkyl, alkylaryl or cycloaliphatic, which can comprise one or more unsaturations and/or one or more heteroatoms.Type: GrantFiled: December 16, 2002Date of Patent: March 24, 2009Assignee: RhodianylInventors: Joël Varlet, Florence Clement, Franck Touraud, Sandrine Rochat, Natalia Scherbakoff
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Publication number: 20090020038Abstract: Cationic electrodepositable coatings comprising rosin, wherein the rosin forms part of the cationic resin backbone, are disclosed.Type: ApplicationFiled: July 20, 2007Publication date: January 22, 2009Applicant: PPG INDUSTRIES OHIO, INC.Inventors: David Fenn, Gregory J. McCollum
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Publication number: 20090020039Abstract: Modified epoxy resins comprising the reaction product of a cycloaliphatic, polycyclic and/or aromatic biomass derived compound and an epoxy resin are disclosed. Aqueous dispersions and coatings comprising these reaction products are also disclosed.Type: ApplicationFiled: July 20, 2007Publication date: January 22, 2009Applicant: PPG INDUSTRIES OHIO, INC.Inventors: David Fenn, Geoffrey R. Webster, Gregory J. McCollum
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Publication number: 20080281043Abstract: A penetration inhibitor includes a rosin-series resin having weight-average molecular weight of at least about 16,000 and at most about 50,000. The penetration inhibitor is to be added to a solvent ink for an inkjet printer.Type: ApplicationFiled: September 7, 2007Publication date: November 13, 2008Applicant: Mimaki Engineering Co., Ltd.Inventors: Tomotaka Furuhata, Satoshi Takezawa, Isao Tabayashi
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Publication number: 20080161463Abstract: This invention relates to novel free-flowing filler compositions containing silated cyclic core polysulfide coupling agents, and to a rubber containing the filler composition.Type: ApplicationFiled: December 28, 2006Publication date: July 3, 2008Inventors: Richard W. Cruse, W. Michael York, Eric R. Pohl, Prashant Joshi
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Patent number: 7390497Abstract: Provided herein is a PEA polymer blend and coatings or implantable devices formed therefrom. The PEA polymer blend is formed of a PEA polymer and a material capable of hydrogen bonding with the PEA. The PEA polymer blend can form a coating on an implantable device, one example of which is a stent. The coating can optionally include a biobeneficial material and/or optionally with a bioactive agent. The implantable device can be used to treat or prevent a disorder such as one of atherosclerosis, thrombosis, restenosis, hemorrhage, vascular dissection or perforation, vascular aneurysm, vulnerable plaque, chronic total occlusion, claudication, anastomotic proliferation for vein and artificial grafts, bile duct obstruction, ureter obstruction, tumor obstruction, and combinations thereof.Type: GrantFiled: October 29, 2004Date of Patent: June 24, 2008Assignee: Advanced Cardiovascular Systems, Inc.Inventors: Jessica Renee DesNoyer, Stephen Dirk Pacetti, Syed Faiyaz Shmed Hossainy, Lothar Kleiner, Yiwen Tang, Gina Zhang
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Patent number: 7271217Abstract: This invention relates to a phytoprotein synthetic fiber and the method for the manufacture thereof. This synthetic fiber is composed of phytoprotein and polyvinyl alcohol, the phytoprotein comprising A parts of the two components, where A is equal to or greater than 5 parts and less than 23 parts, and the polyvinyl alcohol comprising B parts, where B is greater than 77 parts and equal to or less than 95 parts. The methods of manufacturing the synthetic fiber comprise a semi-finished product manufacturing process and a semi-finished product acetalization and finishing process.Type: GrantFiled: July 1, 2004Date of Patent: September 18, 2007Inventor: Guanqi Li
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Patent number: 7262238Abstract: The present invention refers to a resin composition comprising an ester compound and a polymer, wherein the ester compound and the polymer are obtainable by reacting a diene, a dienophile and a carboxylic acid. The invention also refers to adhesive compositions comprising the resin composition.Type: GrantFiled: January 20, 2004Date of Patent: August 28, 2007Assignee: Hexion Specialty Chemicals, Inc.Inventors: Robin Winters, Ivo Maria Johannes Erens, Patrick Peter Mario Aarts, John Hazen
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Patent number: 7077879Abstract: An object of the invention is to provide a polishing pad having the excellent slurry retaining properties and the large removal rate and a composition for a polishing pad which can form such the polishing pad. A composition for polishing pad of the invention is comprising a water-insoluble matrix material containing a crosslinked polymer and a water-soluble particle dispersed in the water-insoluble matrix material. The elongation remaining after breaking is 100% or less when a test piece comprising the water-insoluble matrix material is broken at 80° C. according to JIS K 6251. A polishing pad of the invention is that at least a part of the polishing pad comprises the composition for polishing pad.Type: GrantFiled: June 16, 2004Date of Patent: July 18, 2006Assignee: JSR CorporationInventors: Toshihiro Ogawa, Kou Hasegawa, Nobuo Kawahashi
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Patent number: 6689837Abstract: Phase change (hot melt) ink compositions for use in a phase change (hot melt) ink jet recording device in which recording is conducted by thermally melting the ink at a temperature above ambient temperature (20° C.) to provide prints that possess high quality images, scratch resistance, abrasion resistance, low-temperature storage stability and flexibility, offset and pick resistance, adhesion, and other desired properties are disclosed to comprise: (a) from about 0.1% to about 30% of one or more colorants; and (b) from about 0.1 to about 99.9% of one or more hybrid polymers. Components other than those listed above may be included in the ink compositions to achieve specific printer, substrate, or end use requirements.Type: GrantFiled: June 17, 1998Date of Patent: February 10, 2004Assignee: MeadWestvaco CorporationInventor: Michael D. Matzinger
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Patent number: 6653398Abstract: The invention relates to a novel polyester tackifier, adhesive compositions comprising the tackifier and methods of preparation. More specifically, the polyester tackifier is obtainable by polymerising a mixture comprising a diacid or derivative thereof, a diol, and at least 6 molar % of an organic monofunctional compound, wherein the mixture is essentially free from compounds comprising more than two carboxylic acid groups or alcohol groups.Type: GrantFiled: February 16, 2001Date of Patent: November 25, 2003Assignee: Akzo Nobel N.V.Inventors: John Hazen, Patrick Peter Mario Aarts
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Patent number: 6527887Abstract: Cyclodextrin polymers are nitrated to provide novel nitrate esters of cyclodextrin polymers which are useful for encapsulating explosives to provides energetic compositions of reduced sensitivity; a new method for the preparation of cyclodextrin polymers is provided.Type: GrantFiled: January 18, 2002Date of Patent: March 4, 2003Assignee: Mach I, Inc.Inventors: Anja Ruebner, Gary L. Statton, John P. Consaga
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Patent number: 6437033Abstract: Vinylic polymer compositions having a weight average molecular weight in the range of about 4,000 to about 12,000 are produced by reacting, in an addition polymerization reaction, a fatty acid rosin mixture and a monomer mixture at a temperature in the range of about 135° C. to about 175° C. These compositions exhibit properties that make them useful as support resins for ink and overprint formulations and as additives for formulating various coating compositions.Type: GrantFiled: August 10, 2000Date of Patent: August 20, 2002Assignee: Westvaco CorporationInventors: Rajnikant Shah, Stanley C. Adams
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Patent number: 6433052Abstract: This invention relates to novel rosin-fatty acid vinylic polymer compositions and the process for preparing them. In particular, the invention relates to novel rosin-fatty acid vinylic polymer compositions which exhibit properties that make them useful as support resins for ink and overprint formulations.Type: GrantFiled: July 17, 2000Date of Patent: August 13, 2002Assignee: Westvaco CorporationInventors: Rajnikant Shah, Stanley C. Adams
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Patent number: 6429259Abstract: A molecular complex which comprises a biopolymer having a plurality of ionic functional groups and a conductive polymer having charges therein. The charges bind to the ionic functional groups to form the complex. The conductive polymer is selected from the group consisting essentially of polyaniline, polypyrrole, polythiophene, poly(phenylenevinylene) or poly(phenylene sulfide) and substituted versions thereof.Type: GrantFiled: April 3, 2001Date of Patent: August 6, 2002Assignee: The Board of Governors for Higher Education, State of Rhode Island and Providence PlantationsInventors: Sze Cheng Yang, Patrick McCarthy
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Patent number: 6387449Abstract: A hot melt curing urethane adhesives with heat stability, green bond strength and fully cured bond strength that are surprisingly compatible in production and use. The reactive hot melt adhesive composition includes a composition including an isocyanate compound; a polyester-polyol compound; a reactive tackifying resin including non-polar polyols; and a thermoplastic polymer. The components of the adhesive composition cooperate in at least some embodiments to form a hot melt compatible adhesive composition that has substantial initial green strength, substantial cured bond strength, chemical and heat resistance when cured, extended pot life, long open times, high heat resistance, (i.e., high PAFT), and good adhesion to plastics.Type: GrantFiled: December 1, 1999Date of Patent: May 14, 2002Assignee: H. B. Fuller Licensing & Financing, Inc.Inventors: Kevin J. Reid, Gary J. Haider, John M. Zimmel
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Patent number: 6265481Abstract: The invention relates to a printing ink which consists of pigments, an alkyd resin binder modified with fatty acids having an iodine number from 120 to 280 (g of I2/100 g), a phenolic resin-modified rosin binder and, if appropriate, further binders and further conventional constituents, such as lubricants, solvents, thickeners and thixotropic agents. The alkyd resin binder and the phenolic resin-modified rosin binder are present in proportions from 10 to 40% by weight and 60 to 90% by weight respectively, their sum giving 100% by weight. The alkyd resin has an acid number of Less than 11 and a hydroxyl number from 40 to 260 and has been prepared by reacting a) an unsaturated fatty acid having 6 to 20 carbon atoms or a mixture of such acids or their triglycerides with b) a polyol and c) a dicarboxylic acid.Type: GrantFiled: June 7, 1995Date of Patent: July 24, 2001Assignee: BASF Lacke & Farben AktiengesellschaftInventors: Werner Fries, Karl-Wilhelm Klemm, Arnold Dobbelstein, Horst Sobitzkat
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Patent number: 6172149Abstract: This invention relates to novel rosin-fatty acid vinylic polymer compositions and the process for preparing them. In particular, the invention relates to novel rosin-fatty acid vinylic polymer compositions which exhibit properties that make them useful as surface sizing compositions for cellulosic materials.Type: GrantFiled: March 7, 2000Date of Patent: January 9, 2001Assignee: Westvaco CorporationInventors: Rajnikant Shah, Stanley C. Adams