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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 8445628 | Copolymer resin composition, molded product, and method of manufacturing a copolymer resin composition Disclosed is a copolymer resin composition including a lactic acid copolymer, the lactic acid copolymer containing monomer units represented by the following chemical formulas [1], [2], and [3], wherein a content of a monom... | 05/21/2013 |
| 8431678 | Method for producing cyclic diesters of L-, D- and D,L-lactic acid Method for the production of L,L-, D,D-, D,L- and meso-dilactides, comprising the polycondensation and/or polytransesterification of an L-, D- or D,L-lactic acid or of esters thereof to polyesters of higher molecular weights of the L-, D- and D,L-lactic acid (polyla... | 04/30/2013 |
| 8399602 | Polymerisation reactor, polymerisation device, method for producing bio-degradeable polyester and uses The present invention relates to a polymerization reactor for continuous polymerization, the reactor being constructed in two stages and comprising a prepolymerization stage which is configured as a stirred vessel or as a loop-type bubble column and also a main poly... | 03/19/2013 |
| 8394914 | Functional polyglycolide nanoparticles derived from unimolecular micelles Poly(glycolide) polymers are disclosed. The polymers generally include a glycolide-based polymer backbone that includes one or more functional groups such as alkynyl groups, hydrophilic organic triazole groups, hydrophobic organic triazole groups (also including amp... | 03/12/2013 |
| 8389668 | Use of a catalytic system for lactide and glycolide (co) oligomerization The use of a catalytic ring-opening lactide and glycolide (co)oligomerization system consisting of a strongly acidic ion-exchange resin-type polymeric catalyst and a (co)oligomerization additive, and a lactide and glycolide (co)oligomerization method using said cata... | 03/05/2013 |
| 8299205 | Acetone-soluble, absorbable, crystalline polyaxial copolymers and applications thereof High-purity, acetone-soluble, absorbable components of medical devices are designed for optimum interfacing with human blood or the cell lining of a body cavity, and are formed of a crystalline, segmented l-lactide polyaxial copolymer structurally tailored to have c... | 10/30/2012 |
| 8278409 | Copolymers of epsilon-caprolactone and glycolide for melt blown nonwoven applications Copolymers exhibiting the following combinations of properties, including without limitation, ε-caprolactone in an amount ranging from about 12 to about 70 mole percent, glycolide in an amount ranging from about 30 to about 88 mole percent, crystallinity ranging fr... | 10/02/2012 |
| 8268958 | Phospholipid copolymers The present disclosure provides copolymers including a first monomer including at least one phospholipid possessing at least one hydroxyl group and a second monomer including a cyclic monomer. Compositions, medical devices, and coatings including such copolymers are... | 09/18/2012 |
| 8153754 | Equipment and method for producing polyhydroxycarboxylic acid An equipment for producing polyhydroxycarboxylic acid, includes a ring-opening polymerization apparatus, a liquid phase devolatilizing apparatus, and a drying apparatus, wherein an indirect heat exchanger is connected to a vent gas discharge path of the liquid phase... | 04/10/2012 |
| 8119763 | Production of polyesters in a continuous packed-bed reactor using immobilized enzyme catalysts In accordance with various embodiments, there is a method of making a polyester. The method can include providing a monomer solution, the monomer solution including one or more cyclic esters in a concentration ranging from about 1 to about 100% and one or more solve... | 02/21/2012 |
| 7999061 | Catalytic lactide and glycolide (co)polymerization system A catalytic lactide and glycolide copolymerization system comprising a trifluoromethane sulfonate as a catalyst and copolymerization additive and a copolymerization process. ... | 08/16/2011 |
| 7923528 | Degradable 1,4-benzodioxepin-3-hexyl-2,5-dione monomer derived polymer with a high glass transition temperature A homopolymer of 1,4-benzodioxepin-3-cyclohexyl-2,5-dione with a Tg of 120° C. Copolymers are also described. The polymers are useful for surgical and other applications where biodegradability is important. ... | 04/12/2011 |
| 7902321 | One-pot, one-step in situ living polymerization from silicate anchored multifunctional initiator Silicate anchored multifunctional initiator has moiety initiating ring opening living polymerization of lactone or ethylene oxide or cyclic siloxane monomer and other moiety for initiating living free radical polymerization of ethylenically unsaturated monomer. The ... | 03/08/2011 |
| 7825212 | Polylactic acid resin and composition and molded article of the same This invention provides a polylactic acid resin composition in which stereocomplex crystals of poly-L-lactic acid and poly-D-lactic acid can be selectively crystallized to obtain polylactic acid having a sufficiently high speed of crystallization and a sufficiently ... | 11/02/2010 |
| 7723460 | Shape-memory resin performing remoldability and excellent in shape recovering property, and molded product composed of the cross-linked resin It is possible to provide a shape-memory molded product having excellent shape-memory properties and recycling efficiency by using a shape-memory resin having a glass transition temperature (Tg) within the range of 40° C. to 200° C. and a dissociation temperature ... | 05/25/2010 |
| 7723461 | Polymeric materials from renewable resources Disclosed are polymers that include components produced from renewable resources and methods for forming the disclosed polymers. The polymers include the reactive intermediates that in turn include components derived from, for example, lactide or sorbitol. The react... | 05/25/2010 |
| 7622547 | Process and activated carbon catalyst for ring-opening polymerization of lactone compounds A lactone compound represented by following General Formula (1), such as ε-caprolactone, is reacted in the presence of a powdered activated carbon where necessary with an initiator such as a polyhydric alcohol, an aliphatic alcohol, or an aliphatic carboxylic acid ... | 11/24/2009 |
| 7622546 | Production process of aliphatic polyester A process for producing an aliphatic polyester by subjecting a cyclic ester to ring-opening polymerization, which comprises adding water to a cyclic ester purified to the extent that a water content is at most 60 ppm to control an overall proton concentration in the... | 11/24/2009 |
| 7553923 | Medical devices and applications of polyhydroxyalkanoate polymers Devices formed of or including biocompatible polyhydroxyalkanoates are provided with controlled degradation rates, preferably less than one year under physiological conditions. Preferred devices include sutures, suture fasteners, meniscus repair devices, rivets, tac... | 06/30/2009 |
| 7538181 | Method for preparing poly (lactic acid)-based resin and its co-polymers A method for preparing poly (lactic acid)-based resin or its co-polymers with high molecular weight, the method comprising a condensation process using a thiaole cation condensing agent, as well as the polymers obtained therefrom. ... | 05/26/2009 |
| 7521524 | Polymerization method and polymerization apparatus A polymerization method comprises, prior to polymerization of a monomer of the cyclic dimer of alpha-hydroxycarboxylic acid, a first mixture of a polymerization catalyst by bypassing a part of the monomer of the cyclic dimer is prepared. Then, the first mixture is m... | 04/21/2009 |
| 7435789 | Crystalline high-compliance glycolide copolymers and applications thereof The present invention is directed toward an absorbable crystalline segmented copolymer comprising a polyalkylene succinate segment end-grafted in a single-step with a mixture of monomers comprising caprolactone, l-lactide, and/or glycolide. The present invention is ... | 10/14/2008 |
| 7396897 | N-α- and N-ε-lysine and ornithine compounds comprising a thiol function and cosmetic use thereof The present disclosure relates to the cosmetic use of poly-N-α- and -N-ε-lysine and ornithine compounds comprising a thiol function. The disclosure is also directed towards poly-N-α- and -N-ε-lysine and ornithine compounds comprising a thiol function and also to... | 07/08/2008 |
| 7371228 | Delivery of therapeutics to treat aneurysms A method and device for the treatment of an aneurysm are provided. Different therapeutic agents are delivered to the aneurysmal site by a reservoir and delivery means in a localized, and, in some embodiments, time-released regimen, to treat, limit and reduce the sev... | 05/13/2008 |
| 7368160 | Packaging film A film of biodegradable polylactic acid polymers and copolymers is produced by coextrusion which displays improved winding and manufacturability and end use performance. The film is coextruded from polylactic acid (PLA) polymers and copolymers and biaxially oriented... | 05/06/2008 |
| 7367990 | Thread for vascular stent and vascular stent using the thread A thread for forming a vascular stent implanted in vessels is provided. This thread is formed by melt-spinning a biodegradable polymer. On the surface of the thread, there is formed a layer of a drug-containing biodegradable polymer of the same sort as the biodegrad... | 05/06/2008 |
| 7361692 | Dispersants A dispersant comprising a polyester chain obtainable by polymerising a hydroxy carboxylic acid or lactone thereof such as E-caprolactone with a cyclic alkylene carbonate such as 5,5-dimethyltrimethylene carbonate. The dispersant may be in the form of a phosphate est... | 04/22/2008 |
| 7361701 | Aliphatic polyester composition, a molded article thereof and a method for controlling biodegradation rate using the same composition A biodegradable plastic composition which can be stably adjusted in biodegradation rate, and has greatly improved resistance to hydrolysis and weather, in particular the former, and durability resulting from the improved resistances; a molded article thereof; and a ... | 04/22/2008 |
| 7361408 | Molded resin object, electronic instrument using the same, and method of processing a molded resin object A molded resin object including a molded substrate containing a biodegradable resin and an applied coating formed on a surface of the molded substrate is disclosed, wherein the applied coating contains a proliferation accelerating agent for accelerating proliferatio... | 04/22/2008 |
| 7361727 | Copolymerization of 1,4-dioxan-2-one and a cyclic ester monomer producing thermal stabilized 1,4-dioxan-2-one (co)polymers A polymerization process to derive a thermal-stabilized poly(1,4-dioxan-2-one) and cyclic ester monomer copolymer using a coordination-insertion catalyst/initiator. 1,4-dioxan-2-one and cyclic ester monomer, each containing less than 100-ppm water and having an acid... | 04/22/2008 |
| 7353876 | Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations Methods of stimulating subterranean formations are provided. More particularly, methods of fracturing subterranean formations using a fracturing fluid comprising a self-degrading cement composition are provided. An example of a method is a method of treating a subte... | 04/08/2008 |
| 7354531 | Polymer electrolyte composition A composition for use as a polymer electrolyte, wherein said composition includes one or more polar materials and one or more polyesters of formula III, wherein each unit A may be identical or different and is of the struct... | 04/08/2008 |
| 7354656 | Floor covering made from an environmentally friendly polylactide-based composite formulation Polymeric materials and products, including sheet flooring materials prepared from the polymeric materials, and processes for preparing the polymeric materials, are disclosed. The polymeric materials include a polylactic acid-based polymer in combination with plasti... | 04/08/2008 |
| 7351786 | Polyhydroxyalkanoate containing unit having cyclohexyl structure at side chain, production process therefor, and binder resin containing polyhydroxyalkanoate Disclosed are a polyhydroxyalkanoate, containing in a polymer molecule thereof a monomer unit represented by the following general formula (1): (wherein R1 represents a substituent to a cyclohexyl group, where R1 is a H ato... | 04/01/2008 |
| 7350571 | Methods of preparing and using coated particulates The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated par... | 04/01/2008 |
| 7351785 | Poly (lactic acid) base polymer composition, molding thereof and film Poly(lactic acid) polymer compositions each contain an appropriate poly(lactic acid) polymer and a suitable plasticizer having a polyether and/or polyester segment in combination. The composition exhibit satisfactory flexibility and show very small amount of the eva... | 04/01/2008 |
| 7351243 | High strength bioresorbables containing poly-glycolic acid Polymer compositions comprising poly-glycolic acid (PGA) or a functional derivative thereof with a tensile strength of at least 1200 MPa are disclosed. Processes suitable for manufacturing said compositions are also described, comprising rendering PGA into an amorph... | 04/01/2008 |
| 7351426 | Polyester/cyanoacrylate tissue adhesive compositions This invention addresses absorbable cyanoacrylate-based tissue adhesive compositions based primarily on an alkoxy cyanoacrylate combined with one or more alkyl cyanoacrylate(s), a stabilizer against premature anionic polymerization, and/or an absorbable polymeric mo... | 04/01/2008 |
| 7348052 | Sandwich wrappers, fast food wrappers, and gum wrappers comprising PLA resin A composite wrap material includes a layer of polyactide (PLA) resin interposed between two layers of cellulosic material. ... | 03/25/2008 |
| 7348364 | Segmented copolyesters as compliant, absorbable coatings and sealants for vascular devices Disclosed are absorbable sealants or coatings for biomedical devices which are formulated from a segmented copolyester having a molecular weight of more than 5 kDa, a glass transition temperature of less than 35° C., and low degree of crystallinity evidenced by a h... | 03/25/2008 |
