William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 8354476 | Functionalized poly(ether-anhydride) block copolymers The present application is directed to biodegradable polymers, compositions, including microspheres and nanospheres, formed of such polymers, and methods of using such polymers and compositions. In certain embodiments, the subject polymer compositions include therap... | 01/15/2013 |
| 8354477 | Multi-armed, monofunctional, and hydrolytically stable derivatives of poly(ethylene glycol) and related polymers for modification of surfaces and molecules Multi-armed, monofunctional, and hydrolytically stable polymers are described having the structure wherein Z is a moiety that can be activated for attachment to biologically active molecules such as proteins and wherein P a... | 01/15/2013 |
| 8338545 | Multi-arm block copolymers as drug delivery vehicles The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a residue of a polyol, and at least three copolymer arms covalently attache... | 12/25/2012 |
| 8158730 | Polyamide resin To provide a polyamide resin excellent in lasting thermal stability and having a high biomass ratio. A polyamide resin comprising adipic acid units, pentamethylenediamine units and 6-aminocaproic acid units as constituents, wherein the weight ratio of the sum... | 04/17/2012 |
| 8071692 | Multi-arm block copolymers as drug delivery vehicles The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a residue of a polyol, and at least three copolymer arms covalently attache... | 12/06/2011 |
| 7820768 | Process for the preparation of storage-stable polyamidoimide resins and coating materials which contain them Process for the preparation of polyamidoimide resins, in which the centers of the polyamidoimide resins which are reactive toward moisture are reacted with one or more compounds of the following general H—X—R1, in which, where X=oxygen, R1 ... | 10/26/2010 |
| 7786221 | Multi-armed, monofunctional, and hydrolytically stable derivatives of poly (ethylene glycol) and related polymers for modification of surfaces and molecules Multi-armed, monofunctional, and hydrolytically stable polymers are described having the structure wherein Z is a moiety that can be activated for attachment to biologically active molecules such as proteins and wherein P a... | 08/31/2010 |
| 7714077 | Triblock copolymer, method for producing the same, and biocompatible material The present invention relates to a triblock copolymer, that is multipurpose yet has sufficient properties particularly for medical applications, and is useful as a material having excellent flexibility and water absorbability, as well as to a method for producing th... | 05/11/2010 |
| 7589157 | Multi-arm block copolymers as drug delivery vehicles The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a residue of a polyol, and at least three copolymer arms covalently attache... | 09/15/2009 |
| 7381772 | Toughened poly(lactic acid) compositions Toughened poly(lactic acid) resin compositions comprising poly(lactic acid) and an impact modifier comprising an ethylene copolymer made from monomers (a) ethylene; (b) one or more olefins of the formula CH2═C(R1)CO2R2, ... | 06/03/2008 |
| 7378471 | Polymer comprising terminal sulfonic acid group, and polymer electrolyte and fuel cell using the same The present invention is related to a polymer comprising terminal sulfonic acid groups, which has a high ionic conductivity and good structural stability, does not decompose even under low humidity conditions, and is inexpensive to produce. Furthermore, the present ... | 05/27/2008 |
| 7361715 | Polymer additives for powder coatings Star polymers prepared by reacting a highly branched polymer and either a lactone or lactam are disclosed. These star polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating... | 04/22/2008 |
| 7358324 | Manufacturing method of co-polyester resins for clear mono-layer containers with improved gas barrier characteristics A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeat... | 04/15/2008 |
| 7354973 | Toughened poly(lactic acid) compositions Toughened poly(lactic acid) resin compositions comprising poly(lactic acid) and an impact modifier comprising an ethylene copolymer made from monomers (a) ethylene; (b) one or more olefins of the formula CH2═C(R1)CO2R2, ... | 04/08/2008 |
| 7348397 | Supramolecular polymers The invention relates to a supramolecular polymer containing units which are linked by hydrogen bonds, said units being monomers of prepolymers comprising at least one functional group selected from the functional groups (1) and (3) and a second functional group (5)... | 03/25/2008 |
| 7317051 | Moisture curable sealer and adhesive composition A low cost moisture curable sealer and adhesive composition containing a polymer having reactive silyl groups and a bituminous material and having many advantages over conventional moisture cure sealer compositions, including greater elastomeric properties, improved... | 01/08/2008 |
| 7309753 | Process for the preparation of moisture-curable, polyether urethanes with terminal cyclic urea reactive silane groups A process for preparing a moisture-curable, polyether urethane containing terminal cyclic urea/reactive silane groups by reacting at an NCO:OH equivalent ratio of 1.5:1 to 2.5:1 a) a hydroxyl component containing i) a polyether containing two hydroxyl g... | 12/18/2007 |
| 7288605 | Polymer dye and method for producing the same and its use in light-emitting diodes and other optical components A method and apparatus for the removal of free, emulsified, or dissolved water from liquids of low volatility, such as oil, is shown. The liquid of low volatility is removed by contacting the fluid stream of concern with one side of a semi-permeable membrane. The me... | 10/30/2007 |
| 7265186 | Multi-arm block copolymers as drug delivery vehicles The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a residue of a polyol, and at least three copolymer arms covalently attache... | 09/04/2007 |
| 7256251 | Methods of synthesis of polymers and copolymers from natural products Described are polymers and copolymers containing sorbitol, citric acid, starch, aspartic acid, succinic anhydride, adipic acid mixtures thereof, methods of their synthesis and their uses. ... | 08/14/2007 |
| 7250487 | Supramolecular polymers The invention relates to a supramolecular polymer containing units which are linked by hydrogen bonds, said units being monomers of prepolymers comprising at least one functional group selected from the functional groups (1) and (3) and a second functional group cho... | 07/31/2007 |
| 7241832 | Biodegradable polymer blends for use in making films, sheets and other articles of manufacture Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolymers tend to be more brittle and rigid and typically h... | 07/10/2007 |
| 7235295 | Polymeric nanofibers for tissue engineering and drug delivery Polymeric nanofibers have been developed which are useful in a variety of medical and other applications, such as filtration devices, medical prosthesis, scaffolds for tissue engineering, wound dressings, controlled drug delivery systems, cosmetic skin masks, and pr... | 06/26/2007 |
| 7229604 | Ethylenedicysteine (EC)-drug conjugates, compositions and methods for tissue specific disease imaging The invention provides, in a general sense, a new labeling strategy employing 99mTc chelated with ethylenedicysteine (EC). EC is conjugated with a variety of ligands and chelated to 99mTc for use as an imaging agent for tissue-specific diseases... | 06/12/2007 |
| 7230068 | Polymer derivatives The invention provides water-soluble compounds that include a polymer and at least one terminal azide or acetylene moiety. Also provided are highly efficient methods for the selective modification of proteins with PEG derivatives, which involves the selective incorp... | 06/12/2007 |
| 7223831 | Biodegradable resin composition A biodegradable resin composition comprising polylactic acid and nanosheeted layered titanic acid characterized in that the nonasheeted layered titanic acid is nanosheeted layered titanic acid obtained by a preparing process comprising the steps of: ... | 05/29/2007 |
| 7223380 | Ethylenedicysteine (EC)-drug conjugates, compositions and methods for tissue specific disease imaging The invention provides, in a general sense, a new labeling strategy employing 99mTc chelated with ethylenedicysteine (EC). EC is conjugated with a variety of ligands and chelated to 99mTc for use as an imaging agent for tissue-specific diseases... | 05/29/2007 |
| 7217770 | Stable polymeric micelle-type drug composition and method for the preparation thereof A biocompatible stable composition containing a hydrophobic drug, such as paclitaxel. The composition, which forms a syringeable polymeric micellar solution in aqueous or body fluids, is a freeze-dried product comprising a hydrophobic drug, i.e. paclitaxel, and an a... | 05/15/2007 |
| 7214414 | Biodegradable polymer blends for use in making films, sheets and other articles of manufacture Biodegradable polymer blends suitable for laminate coatings, wraps and other packaging materials are manufactured from a blend of suitable biodegradable polymers, such as at least one “hard” biopolymer and at least one “soft” biopolymer. “Hard” biopolyme... | 05/08/2007 |
| 7211616 | Moisture curable adhesive The present invention relates to an adhesive and more particularly to a moisture curable adhesive. In one embodiment, the present invention includes a moisture curable adhesive comprising a polymer or copolymer including reactive silicon end groups; from about 0.01 ... | 05/01/2007 |
| 7193020 | Film and laminate of the same A film comprising a resin alloy of a liquid-crystalline polyester, a polyimide and an optional inorganic filler is provided. The film is excellent in heat resistance and dimensional stability. ... | 03/20/2007 |
| 7186452 | Coextruded, hot-sealable and peelable polyester film having high peeling resistance, process for its production and its use This invention relates to a coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least the APET side of an APET/CPET tray, the heatsealable and peelable top layer (A) consis... | 03/06/2007 |
| 7182906 | Moisture curable balloon materials The present invention relates to a catheter device having a dilatation balloon formed from a polymeric material crosslinked by moisture through —Si—O—Si— linkages, and to a method of making the same. The polymeric material is formed by reacting at least one ... | 02/27/2007 |
| 7176256 | Biocompatible crosslinked composition Crosslinked polymer compositions comprise a first synthetic polymer containing multiple nucleophilic groups covalently bound to a second synthetic polymer containing multiple electrophilic groups. The first synthetic polymer is preferably a synthetic polypeptide or ... | 02/13/2007 |
| 7163557 | Biodegradable auricular prosthetic device A biodegradable auricular prosthetic device is described, particularly but not exclusively devised for the treatment of otitis media, comprising a tubular body having axially opposed ends and flanged at least at one of the opposed ends and at least a portion of whic... | 01/16/2007 |
| 7160949 | Olefin block copolymers, processes for producing the same and uses thereof Olefin block copolymers (A-1) are disclosed represented by the formula (I) PO1-g1-B1 . . . (I) wherein PO1 is a segment comprised of repeating units derived from an olefin having 2 to 20 carbon atoms, g1 is an e... | 01/09/2007 |
| 7160959 | Polymer additives for powder coatings Comb polymers prepared by reacting an acrylic polyol or a siloxane polyol with a lactone are disclosed. These comb polymers find particular application as additives for powder coating compositions, to improve various performance properties thereof. Powder coating co... | 01/09/2007 |
| 7151135 | Crosslinked polymer compositions Provided are crosslinked polymer compositions that include a first synthetic polymer containing multiple nucleophilic groups covalently bound to a second synthetic polymer containing multiple electrophilic groups. The first synthetic polymer is preferably a syntheti... | 12/19/2006 |
| 7141302 | Suture material for surgery, processes for its production and the use thereof A suture material for surgery comprises one or more filaments and is formed with a coating, which is characterized in that the coating at least partly comprises a bioresorbable polymer, which is essentially formed from a random terpolymer with a completely amorphous... | 11/28/2006 |
| 7138441 | Bioabsorbable blends and surgical articles therefrom Blends made of bioabsorbable materials including glycolide, lactide, caprolactone, dioxanone, trimethylene carbonate, alkylene glycols, esteramides, etc., and polymers and copolymers thereof with cyanoacrylates are described. Processes for making the polymers and su... | 11/21/2006 |