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Assignee: W. R. Grace & Co.-Conn.


Location: Columbia, MD
No. of patents: 173

1          
NumberTitleIssue Date
8168701Concrete or mortar admixture composition
A concrete admixture composition concurrently using (A) a polycarboxylic acid type water-reducing agent for concrete, (B) a hydroxycarboxylic acid type water-reducing agent for concrete, and (C) a polysaccharide type thickening agent is offered, with the view to man...
05/01/2012
8158257Sulfur tolerant alumina catalyst support
The present invention is directed to an improved catalyst support and to the resultant catalyst suitable for treating exhaust products from internal combustion engines, especially diesel engines. The support of the present invention is a structure comprising alumina...
04/17/2012
8097666Cement additive for stucco applications
An additive composition, a cement composition, and method for modifying rheology of an uncured masonry cement, comprising the use of at least one extra-cellular biopolymer, at least one anionic surfactant, and at least one cationic or amphoteric surfactant. Preferab...
01/17/2012
8079184Skid resistant surfaces
Pedestrian trafficable skid-resistant flexible articles (24) are described. These articles (24) include a flexible substrate (17) having a non-skid coating that may be either a pressure-sensitive adhesive (13) or a highly- filled, texture...
12/20/2011
8076263Sulfur tolerant alumina catalyst support
The present invention is directed to an improved catalyst support and to the resultant catalyst suitable for treating exhaust products from internal combustion engines, especially diesel engines. The support of the present invention is a structure comprising alumina...
12/13/2011
8058377Phosphate-containing polycarboxylate polymer dispersants
Phosphate-containing polycarboxylate polymer dispersant compositions of the invention comprise a polymer made from polyoxyalkylene groups, acrylic acid groups, mono-ester groups, and optionally di-ester and tri-ester groups, all in specific molar ratios. The polymer...
11/15/2011
8016000Processes and systems for transferring particulate substances from containers
Preferred processes are provided for unloading a particulate substance from a container using a cover system comprising a cover and a wand extending through the cover. The processes can include installing the cover system on the container so that the cover mates wit...
09/13/2011
8012422System and process for injecting catalyst and/or additives into a fluidized catalytic cracking unit
A preferred embodiment of a system for loading catalyst and/or additives into a fluidized catalytic cracking unit includes a bin for storing at least one of the catalyst and/or additives, and a loading unit in fluid communication with the storage bin and the fluidiz...
09/06/2011
7976697NOreduction compositions for use in partial burn FCC processes
A NOx reduction composition and process of using the composition to reduce the content of NOx emissions and gas phase reduced nitrogen species released from the regeneration zone during fluid catalytic cracking of a hydrocarbon feedstock into l...
07/12/2011
7972436Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent
An exemplary surface active agent admixture composition of the invention comprises (1) a first surface active agent comprising a betaine, an alkyl or aryl or alkylaryl sulfonate, or mixture thereof; and (2) a second surface active agent comprising a nonionic oxyalky...
07/05/2011
7968171Three-dimensional reverse tanking membranes
Shaped waterproofing membranes having three-dimensional contours are useful for the “reverse tanking” waterproofing of detail areas such as those presented by “tiebacks,” pipes, pile caps, and other irregularities that occur on concrete formworks and other c...
06/28/2011
7963422Double-action fluid weighing and dispensing process and system
Apparatus and process for dispensing fluids, such as chemical concrete admixtures, using an air-operated pump and load cell for supporting and measuring at least substantially 100% of the weight of the pump and fluid dispensed through the pump. A double-action, dual...
06/21/2011
7927418Coordinated metal compounds for reducing chromium
Methods and compositions involving the use of nitrogen-containing coordinated metal compounds for stabilizing chromium VI reducing metal cations. Exemplary uses include processes for making cement, and exemplary compositions include cement additives, concrete admixt...
04/19/2011
7922811Biomass-derived grinding aids
Compositions and methods for increasing grinding efficiency of cement, cement clinker, raw materials for cement, and other inorganic particles. Use of biomass-derived polyols such as diols, triols, or mixtures thereof, optionally with a conventional grinding aid, ce...
04/12/2011
7918991Compositions and processes for reducing NOx emissions during fluid catalytic cracking
Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli...
04/05/2011
7909986Reduction of gas phase reduced nitrogen species in partial burn FCC processes
Reduced emissions of gas phase reduced nitrogen species in the off gas of an FCC regenerator operated in a partial or incomplete mode of combustion is achieved by contacting the off gas with an oxidative catalyst/additive composition having the ability to reduce gas...
03/22/2011
7902106Gasoline sulfur reduction catalyst for fluid catalytic cracking process
The invention is a composition that is suitable for reducing sulfur species from products produced by petroleum refining processes, especially gasoline products produced by fluidized catalytic cracking (FCC) processes. The composition comprises zeolite, yttrium, and...
03/08/2011
7846251Integrally waterproofed concrete
An exemplary composition for enhancing water repellency in cementitious material comprises a hydrophobic material solute that is dissolved in a glycol ether solvent. Thus, the composition is provided in the form of a non-aqueous solution or emulsion wherein water is...
12/07/2010
7863380Erucamide-free closure and liner compositions
An exemplary erucamide-free composition for making container closures or closure sealants includes a matrix polymer, a silicone lubricant such as poly(dimethyl)siloxane, and a slip aid comprising a saturated amide, oxidized polyethylene, or combination thereof. ...
01/04/2011
7842348High yield spray application
Method and device for ensuring high yields during spraying of a settable slurry composition. The slurry is conveyed through a length of hose to a nozzle spray-orifice, and a set accelerator is introduced into the slurry at a distance “D” from the nozzle spray-or...
11/30/2010
7803267Gasoline sulfur reduction in fluid catalytic cracking
The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above...
09/28/2010
7780946Supported catalyst systems
The present invention relates to a supported catalyst system. The supported catalyst of the present invention comprises an inorganic support having attached to at least one surface thereof non-acidic, hydrophillic, hydroxyl-containing organic R10 groups h...
08/24/2010
7780935Method for controlling NOemissions in the FCCU
A process for the reduction of NOx emissions from a regeneration zone during a fluid catalytic cracking (FCC) process are disclosed. The process comprises contacting a hydrocarbon feedstock with a circulating inventory of an FCC cracking catalyst and a NO...
08/24/2010
7749352Process for making bi-tapered reinforcing fibers
Non-fractured, non-fibrillatable short fibers, for reinforcing matrix materials such as concrete, have substantially uniform transverse cross-sectional areas along their length for maximum efficiency in pull-out resistance, and two different tapering characteristics...
07/06/2010
7682674BADGE- and BPA-free can coating
The present invention relates to a composition, which is useful for producing coatings for metal sheet substrates of metal cans for storing and/or transporting food or beverages or a lid thereof, and which comprises the following components: (a) 30 to 9...
03/23/2010
7622170Coating composition comprising colloidal silica and glossy ink jet recording sheets prepared therefrom
A coating composition comprising low sodium containing colloidal silicas and ink jet recording sheets prepared from such coatings are described. The coating comprises binder and colloidal silica preferably having an average particle size in the range of about 1 to a...
11/24/2009
7569513Nickel and cobalt plated sponge catalysts
Novel nickel and/or cobalt plated sponge based catalysts are disclosed. The catalyst have an activity and/or selectivity comparable to conventional nickel and/or cobalt sponge catalysts, e.g., Raney® nickel or Raney® cobalt catalysts, but require a reduced content...
08/04/2009
7565779Device for in-situ barrier
The present invention relates to a multi-layer fluid delivery device for post-installation in-situ barrier creation. The device provides a medium for post-installation injection of remedial substances such as waterproofing polymeric resins or cementitious materials,...
07/28/2009
7462392Bi-tapered reinforcing fibers
Non-fractured, non-fibrillatable short fibers, for reinforcing matrix materials such as concrete, have substantially uniform transverse cross-sectional areas along their length for maximum efficiency in pull-out resistance, and two different tapering characteristics...
12/09/2008
7462236Gluconate broth for cement and concrete admixture
Methods and compositions of the invention involve the use of crude intermediate fermentation broth, derived from industrial glucose fermentation processes prior to completion of purification steps, as additives and admixtures for cementitious compositions. ...
12/09/2008
7459180Process for making skid resistant moisture barriers
Skid-resistant moisture barriers of the invention, such as house wrapping, waterproofing membranes, and roofing underlayrnents, have a carrier sheet with polymer nodules deposited thereon through a rotating screen roll or by transfer means such as a gravure roll. Pr...
12/02/2008
7452839Gasoline sulfur reduction in fluid catalytic cracking
The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above...
11/18/2008
7393571Formulation suitable for ink receptive coatings
Formulations comprising novel porous metal oxide particles and binder are particularly suitable for ink receptive coatings, e.g., for ink jet papers and films. The metal oxide particles used in this application have a porous structure that differs significantly from...
07/01/2008
7375053Nickel and cobalt plated sponge catalysts
Novel nickel and/or cobalt plated sponge based catalysts are disclosed. The catalyst have an activity and/or selectivity comparable to conventional nickel and/or cobalt sponge catalysts, e.g., Raney® nickel or Raney® cobalt catalysts, but require a reduced content...
05/20/2008
7257930Anticorrosion separator for wood deck fasteners
Exemplary methods and assemblies for preventing corrosion of metal connector devices, e.g., zinc-galvanized joist hangers and fasteners, used for assembling outdoor structures such as decks from wood components pretreated with alkaline copper quat (ACQ), ammoniacal ...
08/21/2007
7232483Cement composition having chromium reducer
Exemplary compositions and methods for reducing hexavalent chromium in cementitious compositions involve the use of a liquid additive composition, comprising stannous chloride. Along with the stannous chloride may be used at least one co-additive comprising an antio...
06/19/2007
7219479Avoiding cracking and curling in concrete flooring upon which water-based adhesives are employed
The invention provides a method for making a concrete floor slab using sub-grade waterproofing in a manner that favors the use of water-based adhesives for affixing floor covering materials. The method comprises casting a hydratable cementitious composition onto a f...
05/22/2007
7201820Flexible flashing for multiplanar building surfaces
The invention pertains to a novel method for flashing a door, window, ductwork or other rough opening in a building surface. The method involves the use of a tape strip having a continuous, non-perforated, machine-direction-splittable plastic release sheet liner whi...
04/10/2007
7166213Solid compositions for selective adsorption from complex mixtures
The present invention relates to a solid and method useful in separating chemical components in a complex mixture when at least one of the chemical components of the mixture is capable of being selectively adsorbed. The solid of the present invention comprises an in...
01/23/2007
7160438Process for removal of nitrogen containing contaminants from gas oil feedstreams
The present invention is directed to the removal of nitrogen and sulfur containing impurities from high molecular weight petroleum feedstock obtained from fluid cracking catalyst or distillation zone of a petroleum treatment plant. The present process comprises firs...
01/09/2007
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