With Elemental Silicon Or Inorganic Silicon Compound Patents (Class 106/197.01)
  • Patent number: 11247945
    Abstract: An adhesive for moss and a method for preparing the adhesive are provided, wherein the method includes steps of: adding melamine, urea, attapulgite and sepiolite powder into a ball milling tank, and adding milling balls into the ball milling tank for ball milling; then collecting ball-milled materials; adding konjac glucomannan, chitosan and collagen into water and stirring, wherein during stirring, half of the ball-milled materials are added into the water; then adding latex powder, stearic acid and ammonium zirconium carbonate, and stirring, wherein during stirring, the other half of the ball-milled materials are added into the water. The adhesive for moss can be used for bonding moss with sufficient bonding effect, which is environment-friendly and will not harm the moss; meanwhile, the konjac glucomannan, the chitosan, the collagen attapulgite and the sepiolite powder which are contained in the adhesive can provide nutrition for the moss.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: February 15, 2022
    Assignees: Chengdu Institute of Biology, Chinese Academy of Sciences, Southwest University of Science and Technology
    Inventors: Yanbao Lei, Geng Sun, Dalin Zhu, Ke Chen, Yingxin Xue
  • Patent number: 11041234
    Abstract: To provide powder for thermal spraying, a method of thermal spraying, and a thermally sprayed coating, which can efficiently work supplying of a dry state powder by using a powder supplying apparatus with a thermal spraying apparatus, and which prevent variation and pulsation or lowering of supplied amount of powder and achieve a required film forming rate, and can obtain a denser coating on the surface of the substrate to be thermally sprayed. [Solution] Powder for thermal spraying 1 is a powder mixture obtained by mixing ceramic powder A whose particle diameter is D1 and ceramic powder B whose particle diameter is D2, wherein D1 is 0.5 to 12??? as a median diameter, D2 is 0.003 to 0.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: June 22, 2021
    Assignee: OERLIKON METCO (JAPAN) LTD.
    Inventors: Junya Kitamura, Kazuya Fujimori, Tetsuyoshi Wada
  • Patent number: 9803129
    Abstract: A water-based drilling fluid containing high molecular weight crosslinked polyacrylic acid as viscosifying agent exhibits stability at well temperatures in excess of 150° C. The drilling fluid may further contain a lubricant, weighting agent and/or a wetting agent as well as laponite clay. The aqueous based drilling fluid exhibits a coefficient of friction which is substantially close to the coefficient of friction of oil based drilling muds.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: October 31, 2017
    Assignee: Newpark Drilling Fluids LLC
    Inventors: David L. Breeden, Scott Gordon
  • Patent number: 9328023
    Abstract: A drying type joint compound composition is provided, including: at least one binder, a filler and water, the water having a weight percentage in the range of 12-18% of the total weight of the composition.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: May 3, 2016
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Guy Rosenthal, Salvatore Immordino, Robert H. Negri, Richard B. Stevens
  • Patent number: 9181659
    Abstract: Embodiments of the present description provide methods for increasing the concentration of carboxymethylcellulose alkali solutions that are particularly suitable for use in a high solids paper coating, barrier materials, etc. Generally described, the method includes dissolving carboxymethylcellulose (CMC) and an alkali salt in water to obtain an alkali solution of CMC. The CMC desirably has a degree of substitution less than about 0.9. The alkali solution of CMC includes CMC in a concentration greater than about 9.8% by weight, has a pH from about 7.5 to about 11, and is characterized as having a viscosity of less than about 5,000 mPa.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: November 10, 2015
    Assignee: CP KELCO OY
    Inventors: Neil Argo Morrison, Anssi Kalevi Kamppinen, Andries Hanzen, Marko Juhani Kanniainen, Anne Irmeli Rutanen
  • Publication number: 20150125653
    Abstract: A composition for extrusion-molded bodies which comprises a) an inorganic material that sets as a result of baking or sintering, and b) a methylhydroxypropyl cellulose having a DS(methyl) of from 0.8 to 2.5 and an MS(hydroxypropyl) of from 0.50 to 1.20 is useful for producing extrusion-molded bodies for use as a carrier for a catalyst, a catalyst, a heat exchanger, or a filter.
    Type: Application
    Filed: January 13, 2015
    Publication date: May 7, 2015
    Applicants: Dow Wolff Cellulosics GmbH, THE DOW CHEMICAL COMPANY
    Inventor: Roland Bayer
  • Patent number: 8979993
    Abstract: A precursor batch composition that can be used to make porous ceramic articles is provided. The batch composition includes a cellulose-based polymer and, in particular, a methylcellulose showing a specified micro-calorimetry thermal response fingerprint. The methylcellulose can also have a cloud point above a specified temperature.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: March 17, 2015
    Assignee: Corning Incorporated
    Inventors: Gregg William Crume, Rebecca L. DeRosa, Daniel Edward McCauley, Misty Riesbeck
  • Publication number: 20150028526
    Abstract: A composition which is suitable for extrusion molding comprises a) a ceramic-forming material, and b) a cellulose derivative that has a median particle length of from 110 to 300 micrometers. Advantageously a cellulose ether is used that has been obtained by providing a moist cellulose derivative having a moisture content of from 35 to 90 percent, based on the total weight of the moist cellulose derivative, and drying-grinding the moist cellulose derivative in a gas-swept impact mill to a median particle length of from 110 to 300 micrometers.
    Type: Application
    Filed: January 31, 2013
    Publication date: January 29, 2015
    Applicant: Dow Global Technologies LLC
    Inventors: Roland Bayer, Yvonne M. Goerlach-Doht, Juergen Hermanns
  • Patent number: 8932395
    Abstract: A precursor batch composition that can be used to make porous ceramic articles is provided. The batch composition includes a cellulose-based polymer and, in particular, a methylcellulose having a number average molecular weight (Mn) from about 120,000 to about 170,000 grams per mole and showing a specified micro-calorimetry thermal response fingerprint.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: January 13, 2015
    Assignee: Corning Incorporated
    Inventors: Rebecca L DeRosa, Azita Eshraghi, Misty Riesbeck
  • Publication number: 20140336306
    Abstract: The present invention relates to methods for providing modified cement compositions having increased slip resistance and/or a decreased setting time in comparison to cement compositions comprising from 1 to 10 weight percent redispersible polymer powder (RDP) and water soluble cellulose ether in a specific amount from 0.1 to 1.0 weight percent, based on the total dry weight of said composition. Also provided are dry mortars comprising cement, RDP, water soluble cellulose ether and one or more additives selected from gelatin, bentonite and combinations thereof for use in such methods, and cement-free mixtures comprising water soluble cellulose ether and one or more additives selected from gelatin, bentonite and combinations thereof which may be added to cement binder for use a for use in such methods.
    Type: Application
    Filed: December 4, 2012
    Publication date: November 13, 2014
    Inventors: Sonja Scharlemann, Joerg Neubauer
  • Patent number: 8821624
    Abstract: A non-crosslinked, nonionic, water-soluble cellulose ether having a syneresis value of at least 25% by weight in which the hydrogen atom of a hydroxyl group is substituted by a C6-C26 alkyl halide, monoepoxide or monoisocyanate is useful as a binder in ceramic extrusion molding.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: September 2, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shingo Niinobe, Kazuhisa Hayakawa
  • Publication number: 20140165876
    Abstract: A porous ceramic (honeycomb) structure skin coating and a method of producing a porous ceramic structure skin coating which provides a hardshell, strong, acid- and alkali-resistant, chip-resistant ceramic honeycomb structure coating which resists pollution control catalyst from being absorbed into the skin coating.
    Type: Application
    Filed: February 19, 2014
    Publication date: June 19, 2014
    Applicant: Unifrax I LLC
    Inventors: Joseph A. FERNANDO, Kenneth B. MILLER
  • Patent number: 8728224
    Abstract: A water-soluble binder comprising a water-soluble hydroxypropyl methyl cellulose having a methoxyl substitution of 28-30 wt % and a hydroxypropyl substitution of 5-7 wt % has a syneresis value of at least 30 wt % and a clay heat gel strength of at least 0.5 kgf. A ceramic molding composition comprising a ceramic material and the water-soluble binder has improved shape retention upon drying and is effectively molded into a ceramic part.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: May 20, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventor: Shingo Niinobe
  • Patent number: 8691052
    Abstract: The invention relates to a stable aqueous slurry composition comprising clay or clay-like material, hydrophobically associative polymer, and optionally a surfactant; and a method of inhibiting the deposition of organic contaminants in pulp and papermaking applications.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: April 8, 2014
    Assignee: Hercules Incorporated
    Inventors: Fushan Zhang, William S. Carey, Erin A. S. Doherty, John Todd Sarraf
  • Patent number: 8652252
    Abstract: A hydraulic composition comprising a water-soluble hydroxyalkyl alkyl cellulose, cement, aggregate, reinforcing fibers, and water is provided. The hydroxyalkyl alkyl cellulose has a degree of alkyl substitution of 1.2-1.7, the sum of the degree of alkyl substitution and the molar substitution of hydroxyalkyl is 1.5-2.0, and a proportion of glucose ring not substituted with alkyl and hydroxyalkyl groups per glucose ring unit is up to 10 mol %. The composition cures within a short time and is extrusion moldable even at elevated temperature.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: February 18, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hidekazu Konishi, Rumiko Itoh, Tsutomu Yamakawa, Kazuhisa Hayakawa
  • Patent number: 8628611
    Abstract: The present invention relates to a rheology modifier for ceramic glazes comprising a water-swellable granulated clay, a carboxymethyl cellulose and possibly another natural gum. In another aspect the invention relates to the ceramic glaze and the glaze slip obtained using the above rheology modifier, which can be used for glazing green or fired ceramic bodies such as artware, tableware, tile, heavy clays products and sanitaryware.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: January 14, 2014
    Assignee: Lamberti SpA
    Inventors: Stefano Crespi, Marco Antoniotti, Giuseppe Li Bassi, Giovanni Floridi
  • Patent number: 8623128
    Abstract: The present invention relates to extrudable ceramic masses and other masses which set as a result of baking or sintering, which masses comprise specific additives based on water-soluble cellulose ethers, an extrusion process, the extrudates and their use.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: January 7, 2014
    Assignee: Dow Wolff Cellulosics GMBH Co
    Inventors: Roland Bayer, Matthias Knarr
  • Publication number: 20130298798
    Abstract: A porous ceramic (honeycomb) structure skin coating and a method of producing a porous ceramic structure skin coating which provides a hardshell, strong, acid- and alkali-resistant, chip-resistant ceramic honeycomb structure coating which resists pollution control catalyst from being absorbed into the skin coating.
    Type: Application
    Filed: July 12, 2013
    Publication date: November 14, 2013
    Inventors: Joseph A. FERNANDO, Kenneth B. MILLER
  • Patent number: 8545614
    Abstract: The present invention relates to specific additives comprising cellulose ether, a plasticizer, at least one defoamer and water having a pH greater than 7 for improving the extrudability of clay ceramic masses and other masses which set as a result of baking or sintering, a corresponding extrusion process, the extrudates and their use.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: October 1, 2013
    Assignee: Dow Global Technologies LLC
    Inventor: Roland Bayer
  • Patent number: 8343270
    Abstract: A hardenable epoxy-free reaction resin system, in particular a casting compound, lacquer, laminating or impregnating resin, which contains an epoxy-free resin component, a mineral filler, and polymer particles dispersed in the resin component. The filler includes nanoparticles.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: January 1, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Irene Jennrich, Kristian Leo, Markus Muzic, Wolfgang Endres, Marco Holst
  • Publication number: 20120285348
    Abstract: A joint filler composition may include 100 parts by mass of a base material, 1 to 20 parts by mass of inorganic hollow particles, and 3 to 20 parts by mass of a mineral having a chain structure or a layer structure.
    Type: Application
    Filed: April 23, 2012
    Publication date: November 15, 2012
    Applicant: YOSHINO GYPSUM CO., LTD.
    Inventor: Tsuyoshi GOTO
  • Publication number: 20120272867
    Abstract: A porous ceramic (honeycomb) structure skin coating and a method of producing a porous ceramic structure skin coating which provides a hardshell, strong, acid- and alkali-resistant, chip-resistant ceramic honeycomb structure coating which resists pollution control catalyst from being absorbed into the skin coating.
    Type: Application
    Filed: July 5, 2012
    Publication date: November 1, 2012
    Applicant: Unifrax I LLC
    Inventors: Joseph A. Fernando, Kenneth B. Miller
  • Publication number: 20120186211
    Abstract: A honeycomb filter includes a ceramic laminated body including columnar porous ceramic members and an adhesive layer combining the columnar porous ceramic members with one another. The columnar porous ceramic members each have a partition wall and through holes, the through holes extend in parallel with one another in a length direction of the columnar porous ceramic members, the partition wall separates the through holes and filters particulates in an exhaust gas, and the adhesive layer includes an inorganic binder, an inorganic fiber, inorganic particles and an inorganic balloon.
    Type: Application
    Filed: January 27, 2012
    Publication date: July 26, 2012
    Applicant: IBIDEN CO., LTD.
    Inventors: Atsushi KUDO, Masafumi KUNIEDA
  • Publication number: 20110297042
    Abstract: The present invention relates to a substantially anhydrous suspension incorporating at least one biostable hydroxyalkylcellulose having an MS of 1.0 to 3.0, at least one oil, and at least one defoamer. The cellulose ether is preferably a hydroxyethylcellulose (HEC) having an MS of 1.0 to 3.0, preferably of 1.8 to 2.8, more preferably about 2.4. The oil is preferably a natural oil. Further disclosed is an emulsion paint, more particularly for interior coatings, which includes this suspension. It is particularly resistant to enzymes having a cellulytic action (cellulases), and this is manifested in a reduced fall in viscosity.
    Type: Application
    Filed: May 24, 2011
    Publication date: December 8, 2011
    Inventors: Heiko GALLER, Juergen FISCHER, Leif BERGER
  • Publication number: 20110262690
    Abstract: A composition for extrusion-molded bodies which comprises a) an inorganic material that sets as a result of baking or sintering, and b) a methylhydroxypropyl cellulose having a DS(methyl) of from 0.8 to 2.5 and an MS(hydroxypropyl) of from 0.50 to 1.20 is useful for producing extrusion-molded bodies for use as a carrier for a catalyst, a catalyst, a heat exchanger, or a filter.
    Type: Application
    Filed: April 19, 2011
    Publication date: October 27, 2011
    Inventor: Roland Bayer
  • Patent number: 7713344
    Abstract: Complete liquid formulations, that can seal up cracks on metal surfaces of devices participating in cooling of internal combustion engines and are composed of water soluble fibrous macromolecules, nanometer size metals, and silicon dioxide, are disclosed.
    Type: Grant
    Filed: February 18, 2006
    Date of Patent: May 11, 2010
    Assignee: Duraseal Co., Inc.
    Inventor: Soyeong Yoon
  • Patent number: 7708819
    Abstract: The invention relates to a composition comprising from 92 to 97% by weight pigment and from 3 to 8% by weight binder, in each case based on the composition, wherein the binder is a mixture comprising: from 5 to 60% by weight, based on the binder, of modified cellulose wherein, on average, per glucose unit, from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, from 0.25 to 0.6 hydroxyl hydrogen atoms are replaced by R2, or from 0.5 to 1.4 hydroxyl hydrogen atoms are replaced by R1, and from 0 to 0.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: May 4, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventor: Paolo Balliello
  • Publication number: 20090071369
    Abstract: A low VOC, HAPs free, substantially non-aqueous slurry for use as a rheology modifier in aqueous systems including but not limited to latex paints. The slurry comprises a particulate water-swelling polymer such as hydroxyethyl cellulose, mineral oil carrier liquid, a non-ionic surfactant, a particulate thickening agent, a defoamer, and optionally an amine component.
    Type: Application
    Filed: November 25, 2008
    Publication date: March 19, 2009
    Applicant: THE SHERWIN-WILLIAMS COMPANY
    Inventors: Pietro J. Ragone, Robert A. Martuch, Gerald M. Sweitzer, Joseph K. Walker
  • Patent number: 7101426
    Abstract: An in situ ionic interaction between two additives, one a cationic strength enhancing additive and one an anionic crosslinking additive, is used to improve the mechanical properties of an article formed from a composite material. The composite has a discrete phase bound together with a film of the additives, such as gypsum crystals bound together by a film of substituted starch or cellulose ether.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: September 5, 2006
    Assignee: Innovative Construction and Building Materials, LLC
    Inventors: Christopher D. Tagge, Jacob Freas Pollock, Ken Saito
  • Patent number: 7066996
    Abstract: A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a ready mixed joint compound composition wherein the amount of the cellulose ether in the joint compound composition is significantly reduced. When this joint compound composition is mixed with water and applied to a substrate, the water retention, sag resistance, and workability of the wet joint compound are comparable or improved as compared to when using conventional similar cellulose ethers.
    Type: Grant
    Filed: April 25, 2005
    Date of Patent: June 27, 2006
    Assignee: Hercules Incorporated
    Inventor: Thomas J. Podlas
  • Patent number: 7041168
    Abstract: A method of preparing construction material systems is described. The process includes extruding a composition of construction materials and an irreversibly crosslinked cellulose derivative that is prepared by a particular process.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: May 9, 2006
    Assignee: Wolff Cellulosics GmbH & Co.,
    Inventors: Hartwig Schlesiger, Roland Bayer, Frank Höhl, Arne Henning Kull, Jürgen Engelhardt, Burkhard Kressdorf, Jörn-Bernd Pannek
  • Patent number: 6893497
    Abstract: The invention concerns the use of water-soluble polysaccharide derivatives as dispersing agents for mineral binder suspensions. A partially hydrolyzed cellulose containing carboxyl groups and optionally hydroxyalkyl and/or sulfate groups and/or a partially hydrolyzed amylose-rich starch which also has sulfoalkyl groups with 1 to 4 carbon atoms is used as the polysaccharide derivative. These polysaccharide derivatives have a low viscosity and an excellent plasticizing effect in mineral binder suspensions, especially in those based on cement, lime and/or gypsum.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: May 17, 2005
    Assignee: Degussa Construction Chemicals GmbH
    Inventors: Lars Einfeldt, Gerhard Albrecht, Alfred Kern, Matilde Calado Vieira, Dieter Klemm
  • Patent number: 6830613
    Abstract: A biodegradable sugar-inorganic hybrid composite comprising a sugar or a sugar derivative uniformly dispersed in a matrix of an inorganic oxide, of which degradation products are suitable for recycling use.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: December 14, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chieko Mihara, Toyoko Kobayashi, Hiroyoshi Kishi, Toshihiko Takeda, Yoshihiko Kikuchi
  • Patent number: 6776831
    Abstract: The present invention relates to a release coating composition that may be applied to a film that may then be used as a substrate useful for applications requiring release for a broad range of temperatures and high humidity conditions, which temperatures may range from about 20° C. to about 210° C. These applications include release substrate used in the manufacture of calendared cured sheet rubber and molding paste composites, such as sheet molding compound (SMC), thick molding compound (TMC), bulk molding compound (BMC) and fiberglass composites. The release coating composition comprises a solution of a hydroxypropyl methylcellulose having hydroxypropyl molar substitution of from 0 to about 0.82. In a preferred form, particulate solids are present in the composition.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: August 17, 2004
    Assignee: DuPont Canada Inc.
    Inventors: Divya Chopra, Benjamin Andrew Smillie, Theodore John Lang
  • Publication number: 20040097631
    Abstract: The invention provides an aqueous dispersion comprising fumed silica particles, colloidal silica particles, and water. The fumed silica particles have a BET surface area of about 70 to about 140 m2/g, and the colloidal silica particles have a BET surface area of about 110 to about 150 m2/g. Also, the total amount of silica in the dispersion is about 35% to about 60% by weight, and the fumed silica particles comprise about 25% to about 80% by weight of the total amount of silica in the dispersion. The invention also provides a coating composition and a recording medium incorporating the inventive dispersion.
    Type: Application
    Filed: November 15, 2002
    Publication date: May 20, 2004
    Applicant: Cabot Corporation
    Inventors: Michael D. Morris, Joanne Liu, Steven E. Brown
  • Patent number: 6712897
    Abstract: A pre-blend composition for preparation of joint compound including water, a cellulose ether thickener, and about 19% or less by weight of a salt selected from the group consisting of potassium carbonate, potassium sulfate, sodium acetate, and mixtures thereof, wherein the composition is essentially free of alumina, is disclosed.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: March 30, 2004
    Assignee: National Gypsum Properties, LLC.
    Inventors: Amba Ayambem, Richard E. Smith, Salvatore Taravella
  • Publication number: 20030159619
    Abstract: A process for producing a honeycomb structure, which comprises adding water to a mixed raw material of a raw material powder and a binder, kneading the mixture to obtain a plastic mixture, molding the plastic mixture into a honeycomb shape to obtain a green honeycomb structure, drying the structure by a step including hot-air drying, and firing the resulting dried honeycomb structure, wherein the binder contains hydroxypropyl methyl cellulose as a major component. The process can produce a crack-free high-quality honeycomb structure rapidly at a low cost.
    Type: Application
    Filed: January 22, 2003
    Publication date: August 28, 2003
    Inventors: Yasushi Noguchi, Kyoko Makino
  • Publication number: 20030116063
    Abstract: The invention relates to fiber compositions that can be pumped and metered in the fashion of fluid chemical admixtures into a concrete mix, thereby enabling the fibers to be dispensed by concrete ready-mix plant operators who can provide verification of fiber administration and dosage. The fibers, particularly plastic shrinkage control fibers having large cumulative surface area, are suspended in an aqueous medium such that their surface area is already wetted out, thereby virtually assuring that substantial uniform fiber dispersion can be achieved without clumping and the delay that is usually required by fiber intermixing.
    Type: Application
    Filed: February 6, 2003
    Publication date: June 26, 2003
    Applicant: W.R. GRACE & CO.-CONN.
    Inventors: Michael B. Macklin, Anandakumar Ranganathan, Klaus-Alexander Rieder
  • Publication number: 20030047111
    Abstract: The invention provides a coating solution for forming transparent silica coating film which solution is stable and can readily form comparatively thick silica coating film on a substrate through single application of the coating solution without use of an organic solvent. The invention also provides a method for producing transparent silica coating film. The coating solution comprising an aqueous solution contains at least one silicon compound which is selected from the group consisting of silicon oxide, silicic acid, and a silicic acid hydrate and which has been modified to have silanol groups; a strong organic base; and a water-soluble polymer, wherein the silicon compound is dissolved in the aqueous solution in presence of the strong organic base.
    Type: Application
    Filed: September 12, 2002
    Publication date: March 13, 2003
    Inventors: Kazuma Niume, Takasi Utida
  • Publication number: 20020195024
    Abstract: A pre-blend composition for preparation of joint compound including water, a cellulose ether thickener, and about 19% or less by weight of a salt selected from the group consisting of potassium carbonate, potassium sulfate, sodium acetate, and mixtures thereof, wherein the composition is essentially free of alumina, is disclosed.
    Type: Application
    Filed: May 21, 2001
    Publication date: December 26, 2002
    Inventors: Amba Ayambem, Richard E. Smith, Salvatore Taravella
  • Patent number: 6322623
    Abstract: There is disclosed a light-screening film paint for lamps containing (1) at least one compound of either manganese oxide or an iron oxide compound doped with a metallic manganese and having the formula (FexMn1−x)2O3 where 0.95<x<0.70; and (2) powder glass containing at least one of silica, zinc oxide, boron oxide and aluminum oxide. A light-screening film is produced by applying the paint to the surface of a lamp, followed by the firing at a temperature of not higher than 1,200° C.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: November 27, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tatsuo Mifune, Kazunori Sakamoto, Tsumoru Ohata, Masaru Watanabe