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W. R. Grace & Co.-Conn. Patents
Assignee:
W. R. Grace & Co.-Conn.
Address:
Duncan, SC
No. of patents:
1234
Patents:












Patent Number Title Of Patent Date Issued
RE35285 Thermoplastic multi-layer packaging film and bags made therefrom June 25, 1996
A thermoplastic, multi-layer packaging film is disclosed which comprises at least 5 layers in which one surface layer is a heat sealing layer and one of the internal layers is a barrier layer. The heat sealing surface layer comprises a copolymer of ethylene and an alpha-olefin having 4 t
RE34911 High pore volume and pore diameter aluminum phosphate April 18, 1995
Aluminum phosphate compositions arc provided which are characterized simultaneously by high porosity and phosphorous-to-aluminum ratios of approximately 1.0. The high porosity of these compositions is a function of high pore volume coupled with low surface area, resulting in high ave
H856 Cation exchange Y zeolites as corrosion inhibitors December 4, 1990
Zeolites free from heavy metal cations are ion-exchanged with alkaline earth metal cations. The exchanged zeolites provide corrosion resistance to paints for metals, especially ferrous metals, without environmental hazard caused by use of heavy-metal anti-corrosion materials such as lead
H762 Post-pasteurization April 3, 1990
Precooked food products, especially meat products, which have been unpackaged and further processed, are repackaged in a heat tolerant structure and exposed to temperatures of between about 160.degree. F. and 205.degree. F. for 30 seconds to 10 minutes, time and temperature depending
H1125 Tensioning ring January 5, 1993
A tensioning ring comprising a ring with a plurality of roller balls disposed circumferentially around the inner circumference of the ring, and capable of accommodating an unshirred casing passing between the ring and a stuffing horn.
H1117 Variable expansion sizing ring December 1, 1992
A sizing ring suitable for use with a tubular casing and a stuffing horn includes a cylindrical sleeve portion and a frustoconical portion, and an adjustable air bladder disposed around the frustoconical portion.
H1013 Process for the immobilization and volume reduction of low level radioactive wastes from thorium January 7, 1992
A process for the immobilization and volume reduction of low level radioactive wastes produced from the processing of rare earth recovery processes comprising mixing the waste residue with 0.1 to 50% of a fluxing agent and optionally with 0.1 to 50% silica sand, heating the mixture to a
D378734 Tray April 8, 1997
D323571 Dryer for graphic arts January 28, 1992
D322260 Air bar December 10, 1991
8298662 Waterproofing membrane October 30, 2012
Disclosed is a waterproofing membrane that performs well at both high and low temperatures. The waterproofing membrane comprises a carrier support layer and an adhesive layer, wherein the adhesive layer comprises a pressure sensitive bitumen composition comprising bitumen (asphalt),
8298661 Waterproofing membrane October 30, 2012
Disclosed is a waterproofing membrane that performs well at both high and low temperatures. The waterproofing membrane comprises a carrier support layer and an adhesive layer, wherein the adhesive layer comprises a pressure sensitive bitumen composition comprising bitumen (asphalt),
8291668 Device for in-situ barrier October 23, 2012
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, insecticides, mol
8288486 High pH process resistant coating for metal food containers October 16, 2012
Disclosed is an improved coating composition for food containers that is resistant to high pH processing environments. The improved coating composition is based upon an epoxy-amino resin coating composition that has been modified with other components to improve its performance in hi
8277915 Self-adhered air barrier membrane October 2, 2012
Disclosed is a self-adhered, vapor permeable, air barrier membrane that is easy to install. The membrane has a Young's modulus of 3000 to 80,000 psi, most preferably 4000 to 15,000 psi, in the cross-direction and 5000 to 100,000 psi, most preferably 5000 to 20,000 psi, in the machine
8277556 Articles made from cementitious foam and slurry October 2, 2012
Lightweight cementitious foams of the invention have excellent dynamic and dimensional stability due to use of foaming system comprising polycarboxylate surfactant foam generating agent, foam stabilizer (e.g., PVOH), and shrinkage reducing admixture to inhibit plastic shrinkage and m
8221615 Gasoline sulfur reduction catalyst for fluid catalytic cracking process July 17, 2012
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 at least one elem
8211254 Can cap sealing composition and use thereof July 3, 2012
Disclosed are a can cap sealing composition having superior squeeze-out resistance and sealing performance and a method for using the same. A cap is coated with a sealing composition comprising a rubber component, a tackifier, a filler and an organic peroxide as essential ingredients, th
8206123 Automated yield monitoring and control June 26, 2012
A system is adapted to automatically maintain a desired yield level for a slurry flow. Measurements of the electrical conductivity of a slurry are taken and corrected for the effects of temperature and pressure. The corrected conductivity measurements are used to arrive at a value for
8187376 Defoamers for hydratable cementitious compositions May 29, 2012
The present invention discloses additive compositions, cementitious compositions, and methods for controlling air in cementitious compositions, wherein a polyalkoxylated polyalkylene polyamine defoamer is deployed in combination with one or more air-entraining agents, such as higher
8168701 Concrete or mortar admixture composition May 1, 2012
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 manufacture a high-pe
8158257 Sulfur tolerant alumina catalyst support April 17, 2012
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 core particulate
8097666 Cement additive for stucco applications January 17, 2012
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. Preferably, the biopolymer and
8097296 Method for retarding the setting of mortar and concrete surfaces January 17, 2012
An exemplary method for set retarding the surface of a mortar or concrete material, comprising applying to the surface of a mortar or concrete, or to the inner surface of a mold for forming the mortar or concrete, a hot melt coating composition which is heated to assume a flowable or
8084383 Gasoline sulfur reduction catalyst for fluid catalytic cracking process December 27, 2011
The present invention is directed to certain catalyst compositions and processes that are capable of reducing sulfur compounds normally found as part of the gasoline fraction streams of fluid catalytic cracking processes. The present invention is a cracking catalyst composition compr
8079184 Skid resistant surfaces December 20, 2011
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, textured binder. These articles may be applied to tra
8076263 Sulfur tolerant alumina catalyst support December 13, 2011
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 core particulate
8070875 Slump retention in cementitious compositions December 6, 2011
The present invention relates to dispersants such as superplasticizers for hydratable cementitious compositions, and more particularly to methods for achieving variable degrees of longer slump life in concrete and mortar without loss of stability. This is achieved by using two admixt
8058377 Phosphate-containing polycarboxylate polymer dispersants November 15, 2011
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 dispersants of th
8016000 Processes and systems for transferring particulate substances from containers September 13, 2011
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 with the container an
8012422 System and process for injecting catalyst and/or additives into a fluidized catalytic cracking u September 6, 2011
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 fluidized catalytic cracking
7976697 NO.sub.X reduction compositions for use in partial burn FCC processes July 12, 2011
A NO.sub.x reduction composition and process of using the composition to reduce the content of NO.sub.x emissions and gas phase reduced nitrogen species released from the regeneration zone during fluid catalytic cracking of a hydrocarbon feedstock into lower molecular weight componen
7972436 Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent July 5, 2011
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 oxyalkylene-containing polyme
7968171 Three-dimensional reverse tanking membranes June 28, 2011
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 civil construction or building
7963422 Double-action fluid weighing and dispensing process and system June 21, 2011
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 piston design of the
7927418 Coordinated metal compounds for reducing chromium April 19, 2011
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 admixtures, as well as h
7922811 Biomass-derived grinding aids April 12, 2011
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, cement quality impro
7918991 Compositions and processes for reducing NOx emissions during fluid catalytic cracking April 5, 2011
Compositions for reduction of NO.sub.x 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 zeolite, and a NO.sub.x reduc
7909986 Reduction of gas phase reduced nitrogen species in partial burn FCC processes March 22, 2011
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 phase nitrogen specie
7906015 Reduction of gas phase reduced nitrogen species in partial burn FCC processes March 15, 2011
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 phase nitrogen specie
7902106 Gasoline sulfur reduction catalyst for fluid catalytic cracking process March 8, 2011
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 at least one elem
7863380 Erucamide-free closure and liner compositions January 4, 2011
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.
7846399 System and process for injecting catalyst and/or additives into a fluidized catalytic cracking u December 7, 2010
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 fluidized catalytic cracking
7846251 Integrally waterproofed concrete December 7, 2010
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 in a noncontinuous
7842348 High yield spray application November 30, 2010
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-orifice. The level of accele
7803267 Gasoline sulfur reduction in fluid catalytic cracking September 28, 2010
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 zero within the i
7780946 Supported catalyst systems August 24, 2010
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 R.sub.10 groups having no or substantiall
7780935 Method for controlling NO.sub.x emissions in the FCCU August 24, 2010
A process for the reduction of NO.sub.x 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.sub.x reduction composi
7749352 Process for making bi-tapered reinforcing fibers July 6, 2010
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 along their lengt
7695611 Reduction of NO.sub.x emissions in full burn FCC processes April 13, 2010
Compositions for reduction of NO.sub.x emissions generated during catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise (i) an acidic metal oxide containing substantially no zeolite, (ii) an alkali metal, alkaline earth m

 
 
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