Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7326042 | Apparatus for packaging hot melt adhesives using a mold and carrier A dual component molding assembly for packaging hot melt adhesives wherein a mold, preferably in the form of an open top pan, includes a cavity which is lined with a thin film of plastic material. The mold has openings formed therein which communicate with the cavit... | 02/05/2008 |
| 7235203 | Successively biaxial-oriented porous polypropylene film and process for production thereof Disclosed is a successively biaxially stretched film obtained by successive biaxial stretching method comprising extruding a melt of a β-crystal nucleating agent-containing polypropylene-based resin composition from a T-die, cooling the extruded resin on a chill ro... | 06/26/2007 |
| 7232535 | Process for coextruding a tacky amorphous propylene copolymer composition with a low viscosity polyolefin and article prepared thereby Disclosed is a process for producing non-blocking slats of normally tacky amorphous propylene copolymers. The process entails coextruding the normally tacky amorphous propylene copolymer with a low viscosity polyolefin such as a polyethylene wax forming a core of am... | 06/19/2007 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7094338 | Method of making and using a filter in the form of a block of agglomerated copolymer fragments One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter system beneath the grate of a storm drain without the need for the fil... | 08/22/2006 |
| 7048878 | Process of forming oil-absorbent bodies A process for forming an oil-sorbent composition of matter with bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM) utilizes a low-temperature extrusion process. The SBS, or both materials, may be in the form of multitud... | 05/23/2006 |
| 7037962 | Composition and process for enhancing bio-mass production in greenhouses The instant invention relates to a thermoplastic polymer composition useful in greenhouse films to enhance plant growth or in general bio-mass production. Further aspects of the invention are a process for enhancing plant growth in greenhouses by incorporating a pho... | 05/02/2006 |
| 6992128 | Highly active β-nucleating additive for polypropylene The invention relates to a method for enhancing the fraction of β-crystal modification in polypropylene by compounding nanocrystalline substances. A β-fraction of 50–100% is achieved with said method. The compounds are characterized by improved mechanical proper... | 01/31/2006 |
| 6911517 | Methods of producing highly nucleated syndiotactic polypropylene The present invention relates to methods of producing syndiotactic polypropylene articles through high performance nucleation via the presence of certain novel nucleating agents within molten syndiotactic resins, and subsequently permitting the resultant molten mixt... | 06/28/2005 |
| 6861132 | Porous polypropylene film, process for producing the same, and absorbent article employing the film Disclosed is a porous film made of a resin composition containing (I) (i) a propylene-ethylene copolymer or (ii) a polypropylene-based resin mixture containing a propylene-ethylene copolymer, each having an ethylene content of 3.0 to 7.0 wt. % and an MFR measured at... | 03/01/2005 |
| 6846863 | Polyethylene composition and method for making shaped objects from same The invention concerns a polyethylene based composition comprising 0.05 to 0.5 wt. % of at least a saturated fatty acid amide containing 8 to 30 carbon atoms, 0 to 0.1 wt. % of an auxiliary lubricant selected among fatty acids, fatty acid esters, fatty acid salts, m... | 01/25/2005 |
| 6572977 | Fluorescent red composition and articles made therefrom A fluorescent red composition providing a coating having chromaticity coordinates (x, y) within the area defined by (0.648, 0.351), (0.735, 0.265), (0.629, 0.281) and (0.565, 0.346) in terms of the CIE 1931 Standard Colorimetric System and measured using ... | 06/03/2003 |
| 6497965 | Slip agents and polypropylene films prepared therefrom Novel polypropylene films are prepared from a composition comprising polypropylene and an N,N-N,N'-bis-alkylene fatty amide having the general structural formula R--CO--NH--(CH2)n --NH--CO--R' wherein R and R' are the same or differe... | 12/24/2002 |
| 6277917 | Powder coating compositions and coated substrates with multilayered coatings Curable powder clear coating composition and coated substrate with multilayered coatings have as the predominant film-forming polymer in the coating at least one epoxy acrylic copolymer in an amount from 60 to 99.99 percent by weight and 10 to 40 percent ... | 08/21/2001 |
| 6251974 | Polyamide release film for use in the production of molded composite products A film for adhering to a molding compound paste composite during its manufacture, said film being formed from a blend of a film forming polyamide resin and at least one release agent material selected from the group consisting of N, N' ethylene bis amides... | 06/26/2001 |
| 6235823 | Crystalline polypropylene resin composition and amide compounds Disclosed are a crystalline polypropylene resin composition comprising a crystalline polyproplylene resin and a ଲ-nucleating agent, and a method of increasing the proportion of ଲ-form crystals in a crystalline polypropylene resin molding compr... | 05/22/2001 |
| 6130278 | Fine cell-containing polyester film A fine cell-containing polyester film of the present invention comprises 70 to 97% by weight of a polyester and 3 to 30% by weight of a thermoplastic resin immiscible with polyester and produced by stretching at least one direction, the difference in glos... | 10/10/2000 |
| 6005034 | Propylene-ethylene copolymer composition and process for producing the same A propylene-ethylene copolymer composition is obtained which has good moldability and an excellent balance of rigidity, toughness, and impact-strength. The composition has a melt flow rate of 10 to 300 g/10 minutes and is obtained by producing 60 to 95% b... | 12/21/1999 |
| 5973076 | Polybutene-1 resin composition and a method of accelerating the crystal transformation thereof Disclosed are a polybutene-1 resin composition comprising a polybutene-1 resin and a Form-II to Form-I crystal transformation accelerator, and a method of accelerating the Form-II to Form-I crystal transformation comprising molding the polybutene-1 resin ... | 10/26/1999 |
| 5969021 | Method of improving crystallization rate and temperature of syndiotactic polypropylene and compositions and products made therefrom Method of improving the crystallization rate and temperature of syndiotactic polypropylene by addition of at least one of polytetrafluoroethylene, sodium 2,2-methylene-bis-(4,6,di-tert-butylphenyl)phosphate)), pimellic acid, and calcium pimallate, an... | 10/19/1999 |
| 5942569 | Polymeric composition in pellet form A polymeric composition in pellet form comprising a tacky hot melt composition, comprising a) from about 5% by weight to about 90% by weight of a thermoplastic polymer, b) from about 0% by weight to about 65% by weight of a tackifying resin, c) from about... | 08/24/1999 |
| 5891940 | Syndiotactic polypropylene resin composition The present invention provides a syndiotactic polypropylene resin composition of excellent moldability comprising 100 parts by weight of a syndiotactic polypropylene and 0.001-10 parts by weight of a diamine/monocarboxylic acid condensate and/or a diamine... | 04/06/1999 |
| 5869555 | Polymeric composition in pellet form A polymeric composition in pellet form comprising a tacky hot melt composition, comprising a) from about 5% by weight to about 90% by weight of a thermoplastic polymer, b) from about 0% by weight to about 65% by weight of a tackifying resin, c) from about... | 02/09/1999 |
| 5863979 | Paper making method employing novel beater bag with water dispersable hot melt sealed closure A method of making paper in which dry chemical additives are incorporated into the pulp mixture by addition of an entire bag containing the additive directly to the mixture, the improvement being that the bag is sealed with an adhesive closure, the adhesi... | 01/26/1999 |
| 5819946 | Separation system belt construction Improved belt for a charged particle separation system, the belt being an extruded article made from a host polymer and additive composition. The host polymer and additive are selected to yield a belt with tailored properties such as wear resistance, cree... | 10/13/1998 |
| 5716667 | Method of temporarily protecting finished coating film on automobile body A releasable aqueous coating composition used for temporarily protecting a finished coating film coated on an automobile body. It contains (A) an aqueous acrylic resin obtained by copolymerizing a monomer mixture of a (meth)acrylic ester monomer as an ess... | 02/10/1998 |
| 5491188 | Porous stretched article of polypropylene-based resin and process for its preparation Disclosed are a process for producing a porous stretched article of ଲ-crystalline polypropylene-based resin, the process comprising the steps of crystallizing a melt of a polypropylene-based resin composition at a temperature of 15° to 140° C. to ... | 02/13/1996 |
| 5399401 | Flexible, low haze chlorine-free ethylene copolymer article Highly flexible articles having wall thickness of at least 0.01 inches are made from chlorine-free direct ethylene copolymers containing small amounts of selected known slip additives. Articles in the form of tubes or tubing have particular utility for re... | 03/21/1995 |
| 5286771 | Ethylene/acid copolymers with improved block resistance The block resistance of pellets of copolymers of ethylene with acrylic or methacrylic acid is improved by addition of very low levels of certain defined liquid additives or water-soluble solid additives. This results in improved rates of pellet production... | 02/15/1994 |
| 5183840 | Thermoplastic compositions based on grafted rubber and polyester, a process for their manufacture, and articles obtained therefrom Thermoplastic composition based on a crystalline polyester and a modified vinyl aromatic polymer. It comprises: from 50 to 97% by weight of at least one polymer phase (A) consisting of at least one terpolymer produced by grafting (a) at least one vinyl aromati... | 02/02/1993 |
| 5155151 | Heat stable thermoplastic resin composition A thermoplastic resin composition having improved heat stability which comprises a thermoplastic resin which contains at least 5% by weight of an -alkyl-substituted aromatic copolymer comprising -alkyl-substituted aromatic vinyl compound and... | 10/13/1992 |
| 5100930 | Food container Disclosed herein is a food container of a resin composition composed of a polyolefin and an inorganic filler, said resin composition containing (i) a phenolic antioxidant and (ii) a slip agent and/or antistatic agent, said phenolic antioxidant being at le... | 03/31/1992 |
| 4921737 | Container for photographic film cartridge A container body for photographic film cartridge composed of a resin comprising more than 70 wt. % of polypropylene resin, 0.01 to 2 wt. % of a fatty acid amide lubricant, 0 to 1 wt. % of an antioxidant and 0.01 to 1 wt. % of an organic nucleating agent o... | 05/01/1990 |
| 4816512 | Maleimide resin composition comprising polyamine, maleimide and maleamic acid Soluble maleimide resins comprise a mixture of maleimides and maleamic acids, e.g. greater than about 45% bismaleimide and up to about 40% bis-maleamic acid. Such resins are soluble in solvents such as acetone, methyl ethyl ketone and toluene. Stable resi... | 03/28/1989 |
| 4812504 | Compositions and extruded articles compromising polyolefin, polyamide and fatty acid amide The processability of blends of linear polyolefins (particularly HDPE or LLDPE) and condensation polymers (particularly nylon) into extrudates is improved by the addition of small amounts of a fatty acid derivative such as fatty acid amide. The addition o... | 03/14/1989 |
| 4810733 | Color concentrates A color concentrate which comprises (a) one or more of polypropylene resins and propylene copolymers having a melt flow rate in the range of 0.1-100, (b) one or more of organic and inorganic pigments; and (c) one or more pigment dispersants selected from ... | 03/07/1989 |
| 4701487 | Extrusion processing aid composition and polyolefin containing same There is disclosed an extrusion processing aid composition for the extrusion of polyolefins, particularly linear low density polyethylene and high density polyethylene films or sheets; polyolefin compositions containing said processing aid and a process o... | 10/20/1987 |
| 4692489 | Polypropylene compositions of improved clarity Incorporation of an ethoxylated amine in a sodium benzoate nucleated propylene polymer resin synergistically improves clarity as well as yellowness over what is achieved by use of sodium benzoate or ethoxylated amine alone.... | 09/08/1987 |
| 4684684 | Thermoplastic resin composition having improved moldability comprising homogeneous blends of the resin with diamides A composition comprising an amorphous resin (excluding polyphenylene ether) and a specific diamide compound of the formula ##STR1## wherein R1, R2 and R3 are defined in the specification. The moldability of the amorph... | 08/04/1987 |
| 4684683 | Injection blow molding grade propylene polymers An injection blow molding grade resin or improved clarity and processability is obtained by incorporating N,N1 -ethylene bisstearamide and an ethoxylated amine into a sodium benzoate nucleated propylene polymer.... | 08/04/1987 |
