Quotables
"The horse is here to stay, the automobile is only a novelty - fad."
President of Michigan Savings Bank ; 1903
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 |
| 7261771 | Method of controlling the viscosity of a cementitious mixture using oppositely-charged polyelectrolytes A process for increasing the viscosity of an aqueous cementitious mixture during its working state by mixing oppositely-charge polyelectrolytes into the cementitious mixture. ... | 08/28/2007 |
| 7241818 | Filler comprising fly ash for use in composites The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that can be combined with a polymer or bitumen at higher filler loadings to produce a filled polymer or bitumen for composites that, in many cases... | 07/10/2007 |
| 7150787 | Polymer-modified gypsum composition A composition including two components is provided. When the two components are admixed in the method of the invention a polymer-modified gypsum composition is provided. The admixture exhibits a useful balance of setting time and stability. ... | 12/19/2006 |
| 7101426 | Inorganic matrix composite reinforced by ionically crosslinked polymer 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 b... | 09/05/2006 |
| 7060129 | Process for controlling gas migration during well cementing The present invention provides a cement composition and a process for using the cement composition to inhibit gas migration from a subterranean zone into the cement. The process comprises displacing a gelling additive, preferably comprised within a cement compositio... | 06/13/2006 |
| 6964986 | Aqueous adhesive system, method for the production and use thereof An aqueous adhesive system consisting of two separate components, A and B. Component A is an aqueous dispersion of polymer containing at least one olefinically unsaturated double bond and Component B consists of a dispersion of a drying agent in an oil phase liquid.... | 11/15/2005 |
| 6869987 | Cementitious compositions and a method of their use A settable composition which can be applied by spraying to form a coating on a surface such as the walls of a mine comprises (i) a cementitious composition comprising the following components: (a) from 25 to 95% of calcium aluminate, (b) from 0 to 10% of lien and (c... | 03/22/2005 |
| 6867249 | Lightweight and porous construction materials containing rubber The present invention relates to a process for manufacturing a construction material by mixing a cementitious material, rubber bits and water. It also extends to a construction material comprising cured cementitious material and rubber bits in which the rubber bits ... | 03/15/2005 |
| 6762221 | Use of naphthalenesulfonic acid-formaldehyde condensates products as drying aids Naphthalenesulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions. Also described is a process for preparing polymer powders by drying, using these condensates; the polymer powders obtainable by the process;... | 07/13/2004 |
| 6537366 | Concrete admixture with improved durability and efflorescence control containing a highly resilient colorant A composition for coloring concrete and methods for making the composition is provided, which includes a hydrophobic efflorescence control agent selected from the group consisting of calcium stearates, zinc stearates, sodium stearates, butyl stearate, ste... | 03/25/2003 |
| 6458870 | Process for preparing an aqueous solution of sulfanilic acid modified melamine-formaldehyde resin and a cement composition The present invention relates to a process for preparing an aqueous solution of sulfonated melamine-formaldehyde resin, and a cement composition in which the solution and a setting retarder are added to a concrete, a mortar, a cement paste or the like. An... | 10/01/2002 |
| 6402832 | Wallboard joint compound The present invention is an improved wallboard joint compound comprising an inorganic joint compound such as, for example, gypsum, mixed with water, plus one or more additives selected to reduce the moisture in the gypsum compound and improve the strength... | 06/11/2002 |
| 6302955 | Composition for improving freeze/thaw durability of masonry containing fatty acid-based efflorescence control agents A composition for improving the freeze thaw durability of masonry concrete comprising (i) an alkylaryl polyether alcohol having the formula R-.O slashed.-(OCH2 CH2)x OH, wherein R is a C4 -C8 alkyl gr... | 10/16/2001 |
| 6254804 | Oxygen scavengers with reduced oxidation products for use in plastic films An oxygen scavenger composition, for use in or with plastics materials, includes a polymer or oligomer having at least one cyclohexene group or functionality. The composition produces only low levels of volatile or extractable (from a plastics material in... | 07/03/2001 |
| 6235809 | Multi-functional additive for use in well cementing This invention relates to a cement composition for cementing oil, gas and geothermal wells comprising: a cement; and an additive comprising a blend of a sodium silicate; water; a carrageenan suspending agent; a sodium polyacrylate; an AMPS terpolymer; a d... | 05/22/2001 |
| 6176921 | Cement dispersants and method of producing concrete by using same A cement dispersant composed of water-soluble vinyl copolymers which include specified kinds of constituent units at specified ratios and of which the weight average molecular weight pullulan converted by GPC method is 15000-150000 and the ratio of weight... | 01/23/2001 |
| 6051635 | Dowels made from thermosetting resins and process of making same A dowel for use in the woodworking industry to secure two pieces of wood together is made of a composite, polymeric material comprising from about 4% to 90% by weight thermosetting resin and from about 10% to 96% by weight fibrous filler material. The the... | 04/18/2000 |
| 6028167 | Use of phenolsulfonic acid-formaldehyde condensation products as drying aids Phenolsulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions. Also described are a process for preparing polymer powders by drying, using these condensates; the polymer powders obtainable by the process; and ... | 02/22/2000 |
| 5922124 | Additive for, method of adding thereof and resulting cured cement-type concreations for improved heat and freeze-thaw durability An additive for, a method of adding thereof to uncured mixes for and resulting cured cement-type concreations such as cured embodiments of concrete, marcadam, and roof-top shingles each exhibiting improved heat and freeze-thaw durability resulting from re... | 07/13/1999 |
| 5824725 | Method and composition for stabilizing soil and process for making the same A water soluble chemical composition for use as a soil stabilizer, conditer and structuring agent includes a dispersing agent such as a polyanionic sulfonated urea-melamine formaldehyde condensate, an aggregating agent such as a non-ionic water soluble u... | 10/20/1998 |
| 5814146 | MDF cement compositions with improved impact strength The invention concerns a MDF cement material showing better impact strength meant as an increase in the breaking total energy, by fibers addition.... | 09/29/1998 |
| 5753368 | Fibers having enhanced concrete bonding strength The bonding between concrete and fibers is enhanced by using a fiber coating material selected from certain glycol ethers, having at least three carbon atoms in an oxyalkylene group, and glycerol ethers. The present invention pertains to such coated fiber... | 05/19/1998 |
| 5725656 | Gypsum composition This invention relates generally to a gypsum composition having improved setting and strength characteristics. More specifically, this invention relates to a gypsum composition comprising an acrylic latex and an aliphatic alcohol wherein the composition h... | 03/10/1998 |
| 5714525 | Preparation of friction elements and compositions therefor Densified particles of friction ingredients which include an uncured mix of friction ingredients with a thermosetting binder resin and an effective amount of a liquid coreactive with the resin which maintains the temperature during particle formation belo... | 02/03/1998 |
| 5702828 | Process for waterproofing gypsum materials The invention provides a process for water-proofing gypsum materials which comprises adding, to a pulverulent gypsum plaster composition containing from 10 to 90% by weight of gypsum based on the total weight of the composition, a mixture of a) from 1.0 t... | 12/30/1997 |
| 5674929 | Cementitious compositions for layered applications The interlayer adhesion and final strength of cementitious compositions which are applied in consecutive layers are improved by the incorporation in the compositions of an admixture which is a combination of a waterproofing agent and a water retention age... | 10/07/1997 |
| 5670567 | Method and composition for stabilizing soil and process for making the same A water soluble chemical composition for use as a soil stabilizer, conditer and structuring agent includes a dispersing agent such as a polyanionic sulfonated urea-melamine formaldehyde condensate, an aggregating agent such as a non-ionic water soluble u... | 09/23/1997 |
| 5651816 | Cement, cement products, molding material, concrete member and a method of producing the same Cement comprising hydraulic cement and polymer precursor such as alcohol-soluble phenol resin precursor that is substantially anhydrous and generates water by polymerization.... | 07/29/1997 |
| 5651817 | Cement dispersant When a cement dispersant comprising a polymer which is obtained by co-condensating monomers comprising monomer (A) and monomer (B) with formaldehyde, or a salt obtained by neutralizing the polymer, wherein the monomer (A) is an aromatic compound having, o... | 07/29/1997 |
| 5609680 | Cement, cement products, molding material, a concrete member and a method of producing the same Cement comprising hydraulic cement and polymer precursor such as alcohol-soluble phenol resin precursor that is substantially anhydrous and generates water by polymerization.... | 03/11/1997 |
| 5594050 | Cement composition containing chemically crosslinked polyvinyl alcohol (PVA) The invention relates to a new, chemically crosslinked PVA. Its application is that of a fluid loss control agent in fluids used in the oil industry, in particular cement slurries, separating fluids, or "spacers", and drilling muds. Its advantages are tha... | 01/14/1997 |
| 5567750 | Redispersible dispersion powder composition The invention provides a redispersibte dispersion powder composition comprising a) a base polymer selected from the group consisting of vinyl ester polymers, styrene polymres, acrylate polymers and vinyl chloride polymers, b) from 2 to 15% by weight, based on ... | 10/22/1996 |
| 5558709 | Flow improving agents for binder suspensions containing cement Disclosed is a flow improving agent for binder suspensions containing cement which is composed of a) amino-s-triazine-formaldehyde-sulfite condensation products having a molar ratio of amino-s-triazine:formaldehyde:sulfite of 1:1.3 to 6.0: 0.3 to 1.5 and ... | 09/24/1996 |
| 5550176 | Room temperature setting carbonaceous cement with increased electrical conductivity and flexural strength A room temperature setting carbonaceous cement comprising a solid carbonaceous material, a catalyst, a liquid carbonizable component, and copper particles, which when treated with the catalyst will provide a carbon yield of at least 40% for the liquid com... | 08/27/1996 |
| 5432212 | Dispersant composition for cement having excellent property in inhibition of slump-loss A cement admixture which when added to a cement composition, such as cement mortar or concrete inhibits slump-loss of the cement composition and improve its workability and applicability. The admixture is composed of copolymers from an alkenyl ether, a po... | 07/11/1995 |
| 5421881 | Cement set retarding additives, compositions and methods The present invention provides set retarding additives, set retarded hydraulic cement compositions including such additives and methods of using the cement compositions for cementing zones in wells. The set retarding additives are graft copolymers or terp... | 06/06/1995 |
| 5407290 | Connecting joint for electric furnace electrodes A joint for rigidly and fixedly connecting in end-to-end relationship electrodes of graphite or carbon, whose ends comprise a socket with an internal screwthread into which is screwed a connector with a double screwthread or nipple which is pierced with h... | 04/18/1995 |
| 5354792 | Flowability improving agent, a process for the production thereof and a use thereof The invention relates to a flowability improving agent comprising a combination, calculated on a dry product, of: A) 60-99% by weight of a sulphonated melamine-formaldehyde resin, a sulphonated melamine-urea-formaldehyde resin or a sulphonated naphthalene... | 10/11/1994 |
| 5334648 | Emulsion polymers for use as a urea formaldehyde resin modifier Emulsion copolymers, for use as urea formaldehyde resin modifiers, are formed from vinyl chloride monomers, softening monomers, and functional monomers. The copolymer when blended with formaldehyde resins and used as a binder yields improved wet and dry t... | 08/02/1994 |
| 5262452 | Oil well cementing formulations An oil and gas well cementing composition has styrene/butadiene latex and a combination of nonionic and anionic surfactants for improved physical properties, especially fluid loss.... | 11/16/1993 |
