Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7390841 | Compostable vinyl halide polymer compositions and composite sheets Compositions of vinyl halide polymers such as PVC are rendered compostable by a prodegradant system of an organotitanate or zirconate and an organotin. PVC sheets and composites are compostable in landfills. ... | 06/24/2008 |
| 7326660 | Degradable netting The present invention provides a degradable extruded netting. The netting comprises a plurality of interconnected strands with at least some of the strands comprising a degradable composition comprising a polyolefin, a metal carboxylate, and an aliphatic poly hydrox... | 02/05/2008 |
| 7326659 | Biodegradable netting The present invention provides a biodegradable extruded netting. The netting comprises a plurality of interconnected strands with at least some of the strands comprising a biodegradable composition comprising polylactic acid polymer and biodegradable plasticizer. In... | 02/05/2008 |
| 7235594 | Biodegradable plastic composition The present invention relates to biodegradable plastic composition comprising rice powder and/or corn powder, which can be characterized in comprising 100 parts by weight of polyolefin matrix resin; 5 to 400 parts by weight of grain powder selected from the group co... | 06/26/2007 |
| 7213770 | Volatile material dispensing system A volatile material dispensing system with a dispenser for providing controlled release of a volatile material, the dispenser being attached to a display frame, and having at least one protrusion. Protrusions are disposed on a face of the frame to distance the membr... | 05/08/2007 |
| 7202289 | Biodegradable resin composition, filler therefor and molded article thereof The present invention is a biodegradable resin composition having excellent physical properties such as strength, water-resistance, molding workability, thermal-resistance, and suitable for a molded article for various electric products. The biodegradable resin comp... | 04/10/2007 |
| 7071249 | Biodegradable starch resin and method for making same The present invention relates generally to biodegradable compositions containing starch, especially in combination with a polymer containing pendant carboxylic acid groups, a polyolefin homopolymer or copolymer, water, an oil component, and other optional components... | 07/04/2006 |
| 7049359 | Packaging The present invention provides a wall for a package, which wall comprises, or includes a layer comprising, a composition comprising a polymer and capable of scavenging oxygen through the metal-catalysed oxidation of an oxidizable organic component thereof. The oxidi... | 05/23/2006 |
| 7045557 | Light-degradable material for producing disposable medical appliances The present invention relates to a light-degradable material for producing disposable medical appliances having main components of polypropylene resin and composite allochromatic agent, wherein the composite allochromatic agent is composed of photoinitiator and sens... | 05/16/2006 |
| 7019043 | Decomposable resin composition and method for producing the same The invention provides a decomposable resin composition, which is stable at the time of use and which quickly decomposes when discarded. According to the present invention, there is provided a resin composition comprising an agent generating an acid or a base upon r... | 03/28/2006 |
| 6482872 | Process for manufacturing a biodegradable polymeric composition A process for manufacturing polymers containing a degradant component that increases the rate of polymer degradation. The process involves adding a degradant component to a fluid polymer immediately after the polymer is synthesized and while the polymer i... | 11/19/2002 |
| 6090736 | Photocatalytic powder for environmental clarification and process for producing same, said powder-containing polymer composition, and shaped article of said composition and process for producing same A photocatalytic powder for environmental clarification, comprising finely divided titanium dioxide particles having a coating of porous calcium phosphate formed on at least part of the surface of each titanium dioxide particle, wherein an anionic surface... | 07/18/2000 |
| 5854304 | Degradable/compostable concentrates, process for making degradable/compostable packaging materials and the products thereof The present invention is directed to an additive degradable/compostable package, the combination of a metal carboxylate and an aliphatic poly hydroxy-carboxyl acids, which is added to polyolefin resins in the production of specific products. The addition ... | 12/29/1998 |
| 5688849 | Photolyzable polyolefin composition A polyolefin composition which is photolyzable, includes polyolefin; and an effective amount of a photolytic agent which is an alkoxydimethylsilylferrocene having a general formula (I): ##STR1## wherein R represents Cn H2n+1 in ... | 11/18/1997 |
| 5667574 | Starch-based composition for preparing an environment degradable -olefinic polymer molding material A starch-based composition for preparing an environment degradable -olefinic polymer molding material, which includes 95-99 wt % of starch, 0.2-0.8 wt % of a titanate coupling agent having the following formula (I), 0-2 wt % of paraffin and 0-2 wt ... | 09/16/1997 |
| 5549048 | Biodegradable shot-gun cartridge case A shot-gun cartridge case is disclosed which is made by extrusion or equivalent pressure forming of high density polyolefin-based composition containing biodegradable starch, a fatty acid ester to initiate peroxide attack on the double bonds of the polyol... | 08/27/1996 |
| 5470526 | Degradable multilayered structures The invention provides a compostable thermoplastic polymer composition comprising a thermoplastic polymer, a transition metal salt selected from cobalt, manganese, copper, cerium, vanadium and iron, and a fatty acid or ester having 10 to 22 carbon atoms p... | 11/28/1995 |
| 5461094 | Biodegradable polyethylene composition chemically bonded with starch and a process for preparing thereof The present invention relates to a biodegradable film prepared by chemical bonding of starch and polyethylene chains using polyethylene, which is polyolefin having the most widest general application, coupling agent such as maleic anhydride, methacrylic a... | 10/24/1995 |
| 5461093 | Biodegradable polyethylene composition chemically bonded with starch and a process for preparing thereof In the present invention, the lowering of physical properties is minimized by bonding matrix resin and starch chemically using a coupling agent in the presence of an organic acid catalyst, at the same time lowering of the production cost is achieved by si... | 10/24/1995 |
| 5449708 | Biodegradable starch-based polymer compositions A method for continuous preparation of a starch-based biodegradable polymer. A homogeneous mixture of starch, an ethylene acrylic acid co-polymer, and a salt of stearic acid are premixed before addition of an aqueous lubricant material. An increase in tem... | 09/12/1995 |
| 5415827 | Process for improving the mechanical properties of single-or multi-ply sheets For the purpose of improving the quality and especially the mechanical properties of single- or multi-ply sheets with at least one ply, consisting at least in part of thermoplastically processable starch, the sheets are stretched monoaxially or biaxially ... | 05/16/1995 |
| 5416133 | Chemically degradable polyolefin films The present invention is directed to melt blown polyolefin film which is produced cheaply by melt blowing polyolefin resins which contain 25 to 60 wt% fillers selected from the fillers including an inorganic carbonate, synthetic carbonates, nepheline syen... | 05/16/1995 |
| 5405880 | Polyolefinic composition having oxygen barrier property, as well as sheet and container made of said composition The improved resin composition including a polyolefin, a transition metal containing oxidation catalyst and 0-500 ppm of a radical inhibitor can be used to fabricate a sheet and a container that have good oxygen barrier quality on its own without being co... | 04/11/1995 |
| 5393831 | Shelf stable nonwoven fabrics and films Shelf stable nonwoven fabrics and films are made from polyolefin compositions which comprise a polyolefin which contains no more than a minor amount of a phenolic antioxidant, a water-sensitive stabilizer, a transition metal organic salt and an oxidizable... | 02/28/1995 |
| 5387623 | Biodegradable adhesive packaging A method and composition of packaging an adhesive composition, especially a thermoplastic or thermosetting hot melt adhesive. The method comprises the steps of providing one substantially uniform separate portion of the adhesive composition; sufficiently ... | 02/07/1995 |
| 5384183 | Degradable films There is a need for degradable films, particularily in agricultural mulch applications. The present invention provides for films having a controlled life from 30 to 160 days. The film comprises photodegradable sheet material having a thickness from 0.1 to... | 01/24/1995 |
| 5352716 | Degradable synthetic polymeric compounds A synthetic thermoplastic polymeric compound is structurally stable during its useful life and which upon introduction into a suitable environment, degrades under chemical, photochemical and biodegradation mechanisms into innocuous products. Stabilizers m... | 10/04/1994 |
| 5350783 | Compostable thermoplastic products Thermoplastic polymer product of a thermoplastic material including a thermoplastic polymer and polymeric composting promoting agent selected from the group consisting of nonmetallic metal complexing agents, nonoxidizing-metal metal complexing agents, and... | 09/27/1994 |
| 5321065 | Degradable plastics film including lignin as active vegetable filler A degradable plastic film comprising film forming ethylene copolymers and lignin incorporated in the form of pulverulent powder having a grain diameter of about 1 to 5 microns. The films are homogeneous and possess a thickness of about 15 to 25 microns. T... | 06/14/1994 |
| 5308906 | Extrudable elastomeric composition having controlled rate of degradation An extrudable elastomeric composition including an elastomeric A-B-A' block copolymer where A and A' are each a thermoplastic polymer endblock and where B is a conjugated diene monomer unit having a low degree of residual ethylenic unsaturation; a polyole... | 05/03/1994 |
| 5258422 | Compostable thermoplastic compositions The present invention relates to compostable and biodegradable thermoplastic compositions comprising a thermoplastic polymer, a hydrolytically unstable antioxidant, a pro-oxidant, an accelerator, and a property modifier. The hydrolytically unstable antiox... | 11/02/1993 |
| 5216043 | Degradable thermophastic compositions and blends with naturally biodegradable polymers The invention provides a compostable thermoplastic polymer composition comprising a thermoplastic polymer, a transition metal salt selected from cobalt, manganese, copper, cerium, vanadium and iron, and a fatty acid or ester having 10 to 22 carbon atoms p... | 06/01/1993 |
| 5155155 | Photoactivating additive for polymer compositions, in the form of a metal salt of an oxidized wax An oxidized polyethylene wax or other wax in the form of a salt with a metal selected from groups IB, IIB, IIA, IIIA, IIIB, VIB, VIIB and VIIIB of the Periodic Table of the Elements acts as a photoactivator in a polymer composition and degrades the latter... | 10/13/1992 |
| 5135966 | Environmentally degradable polymer composition Blends of polypropylene, poly(3-hydroxybutyrate) or poly(3-hydroxybutyrate-3-hydroxyvalerate) and metal stearates are both photodegradable and biodegradable.... | 08/04/1992 |
| 5108807 | Degradable multilayer thermoplastic articles The invention relates to multilayer degradable thermoplastic articles. In one embodiment the novel multilayer thermoplastic article comprises a first outer layer, a core layer and second outer layer, wherein the first outer layer and second outer layer ar... | 04/28/1992 |
| 5096941 | Environmentally degradable polyethylene composition A polymeric composition which degrades in the presence of oxygen either photochemically or thermo-oxidatively comprising a blend of polyethylene, e.g. low density polyethylene and cerium (III) stearate. This composition is especially useful in degradable food ... | 03/17/1992 |
| 4939194 | Controllably and swiftly degradable polymer compositions and films and other products made therefrom Polymer compositions comprising a vinyl polymer and a combination of at least two metal complexes wherein the complexing agent of the first complex is attached to the metal through oxygen and the metal is a transition metal, and the complexing agent of th... | 07/03/1990 |
| 4931488 | Degradable plastic compositions Composition based on thermoplastic polymers, especially -olefine polymers, such as polyethylene or ethylene copolymers, to which have been added, to promote degradation, a biologically degradable substance, an iron compound possibly complex and sol... | 06/05/1990 |
| 4780319 | Organic acids as catalysts for the erosion of polymers The invention relates to the use of carboxylic acids incorporated as a catalyst in poly(orthoester)s and other acid labile polymers such that upon exposure to aqueous environments the acid catalyzes the erosion of the polymer matrix. The rate of release o... | 10/25/1988 |
| 4517318 | Photo-degradable styrene resin compositions A photo-degradable styrene resin composition which comprises a styrene resin and at least one photo-degradable agent selected from the group consisting of benzophenone, anthraquinone, fluorenone, xanthone, phenylalkylketones, phenacyl halides and derivati... | 05/14/1985 |
