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| Number | Title | Issue Date |
| 7893115 | Defoamer emulsion compositions for pulp mill applications An oil-in-water emulsion useful as a defoamer for pulp and paper mill applications is described. The defoamer has an oil blend (of a triglyceride oil or a mixture of triglyceride oils and silicone), a stabilizing agent (to make the oil blend stable in the emulsion),... | 02/22/2011 |
| 7879917 | Defoamers for pulp and papermaking applications A defoamer made from a composition that has at least one triglyceride oil or triglyceride oil mixture, at least one silicone, at least one silicone-triglyceride stabilizing agent, hydrophobic silica particles, optionally one or more surfactants and/or dispersants, a... | 02/01/2011 |
| 7776929 | Method for the production of defoamer formulations Defoamer compositions which exhibit both high defoaming activity as well as good storage stability are prepared by mixing at least an organopolysiloxane having a defined but limited fraction of silicon-bonded hydroxyl and/or alkoxy groups and hydrophilic silica, fol... | 08/17/2010 |
| 7407991 | Silicone foam control compositions comprising a siloxane fluid and a mixture of glycerol mono/di/triesters A foam control composition comprises a polydiorganosiloxane fluid comprising units of the formula where each group R, which may be the same or different, is selected from an alkyl group having 1 to 36 carbon atoms or an ary... | 08/05/2008 |
| 7279453 | Foam regulating granulate A process of making particulate foam regulating granulates by spraying an aqueous foam regulating emulsion containing 16% to 70% by weight of a foam regulating active ingredient based on paraffin wax or silicone oil, 2% by weight to 15% by weight of a nonionic and/o... | 10/09/2007 |
| 7253224 | Silica-based particulates A silica-based particulate material that may contain less than 5 wt. % of a multivalent cation and a method of preparing such a silica-based particulate material. The silica-based particulate material may be characterized as having a median particle size of at least... | 08/07/2007 |
| 7244770 | Method for evaluating an optimal dosage of defoamers in a fermentation process Methods suitable for selecting optimal defoamers for use in fermentation processes are described wherein the methods comprise: (a) determining an amount of each of two or more defoamers which provides a requisite dynamic surface tension of at most 50 mN/m at a parti... | 07/17/2007 |
| 7186678 | Tenside granules with improved disintegration rate A process for making a surfactant composition having an improved dissolution rate in cold water involving: (a) providing a hydroxy mixed ether surfactant; (b) providing a disintegrator component; and (c) granulating and compacting the hydroxy mixed ether surfactant ... | 03/06/2007 |
| 7074874 | Liquid alkoxysilyl-functional silicone resins, method for their preparation, and curable silicone resin compositions Liquid alkoxysilyl-functional silicone resins having excellent storage stability and a method of preparing these liquid alkoxysilyl-functional silicone resins comprising running an equilibration polymerization reaction with components comprising (A) a polydiorganosi... | 07/11/2006 |
| 7049279 | Process for preparing detergent granules with an improved dissolution rate A process for making surfactant granules involving: (a) providing a surfactant component selected from the group consisting of a surface-active protein, a surface-active protein derivative, and mixtures thereof; (b) providing a disintegrator component; (c) combining... | 05/23/2006 |
| 7041165 | Method for making cold-process bituminous mix The invention concerns a method for making cold-process bituminous mixes, using a bitumen-type emulsion in aqueous phase and aggregates. It consists of treating said aggregates with an agent providing hydrophobicity, prior to mixing said emulsion with said aggregate... | 05/09/2006 |
| 7022375 | High-whiteness hydrophobic precipitated silica with ultralow moisture absorption The invention relates to hydrophobicized precipitated silicas that possess an extremely high whiteness and extremely low moisture absorption. The hydrophobic precipitated silicas are prepared, inter alia, by coating with silicone oil and oxidative heat treatment. | 04/04/2006 |
| 7001634 | Process for suppressing the foaming of an aqueous system The present invention relates to a process for suppressing the foaming of an aqueous system which involves combining water and at least one defoamer composition which has a hydroxyl equivalent molecular weight of at least 4000 Da and a cloud point less than or equal... | 02/21/2006 |
| 6992053 | Hard surface cleaning composition comprising a bleach, acid, and silicone glycol polymer The present invention encompasses a composition, suitable for cleaning hard surfaces, comprising a bleaching agent and a silicone glycol. ... | 01/31/2006 |
| 6949499 | Anti-foam composition A composition for use as an anti-foam in laundry detergent wherein the anti-foam active ingredient is released slowly throughout the wash and rinse cycle. ... | 09/27/2005 |
| 6899951 | High-whiteness, non-heat-treated hydrophobic precipitated silica The present invention provides a hydrophobic precipitated silica having the following properties: | 05/31/2005 |
| 6656975 | Silicone dispersions A silicone composition having a continuous phase of a polar organic liquid including particles of a silicone active material encapsulated within an organic encapsulating material which is a solid at 25° C. The silicone active material is sparingly solubl... | 12/02/2003 |
| 6610752 | Defoamer granules and processes for producing the same Defoamer granules containing support materials and silicones for solid laundry detergent, dishwashing detergent and cleaning compositions, obtainable by applying silicones in the form of aqueous emulsions to an added intermediate product of support materi... | 08/26/2003 |
| 6512015 | Silicone foam control compositions This invention relates to silicone foam control compositions comprising a silicone antifoam agent, mineral oil, a polydiorganosiloxane containing at least one polyoxyalkylene group, and a finely divided filler. The foam control compositions of this invent... | 01/28/2003 |
| 6448298 | Defoamer and methods of use thereof Disclosed are methods and compositions for defoaming alcoholic fermentations. An aqueous composition of polydimethylsiloxane, an ethylene oxide/propylene oxide block copolymer and a silicone/silica blend is employed to treat the fermentation for foaming.... | 09/10/2002 |
| 6417258 | Antifoaming compositions An antifoaming composition contains (A) 58 to 90% by weight of an oil compound and (B) 10 to 42% by weight of a mixture. The oil compound (A) consisting essentially of (i) 80 to 99.9% by weight of an organopolysiloxane composed of R13 | 07/09/2002 |
| 6303663 | Process for making defoaming compositions Silica is rendered hydrophobic by a catalyst-free, in-situ process that includes contact with a hydrophobing agent under vacuum at elevated temperature for a time sufficient to replace adsorbed water in the silica with the hydrophobing agent. The resultin... | 10/16/2001 |
| 6251958 | Defoamer process A process for preparing a defoamer composition by providing a high-shear, in-line mixer having a rotor-stator assembly with at least one concentric set of shearing teeth which rotate at a tip speed of up to about 25 meters per second and feeding to said m... | 06/26/2001 |
| 6207722 | Foam control compositions having resin-fillers The present invention relates to a foam control composition and to its use in foaming systems. More particularly, this invention relates to a foam control composition comprising a polysiloxane and a resin-filler made from MQ resins having at least one pol... | 03/27/2001 |
| 6197384 | Hydrophobic precipitated silica Hydrophobic precipitated silica having the physical/chemical parameters: Drying loass [%] 2.0-10 DIN ISO 787/2 Ignition loss [%] 2-25 DIN ISO 3262/11 Methanol wettability [%] 20-80 titrated Carbon content [%] 1-30... | 03/06/2001 |
| 6177481 | Defoamer mixtures, a process for the production thereof and the use thereof The present invention relates to mixtures comprising at least one polysiloxane defoamer, at least one emulsifier, at least one nonionic surfactant, at least one polyurethane thickener and water, to a process for the production thereof and to the use there... | 01/23/2001 |
| 6165968 | Particulate foam control agents This invention relates to a particulate foam control agent comprising from 1 to 30 parts by weight of a silicone antifoam, from 70 to 99 parts by weight of a zeolite carrier for the antifoam, from 1 to 60% by weight of the silicone antifoam of a surface a... | 12/26/2000 |
| 6156808 | Defoaming compositions and methods The present invention provides improved defoaming compositions and methods. The compositions of the invention are basically comprised of polypropylene glycol, particulate hydrophobic silica and a liquid diluent.... | 12/05/2000 |
| 6083998 | Defoamer and methods of use thereof Disclosed are methods and compositions for defoaming alcoholic fermentations. An aqueous composition of polydimethylsiloxane, an ethylene oxide/propylene oxide block copolymer and a silicone/silica blend is employed to treat the fermentation for foaming.... | 07/04/2000 |
| 6004918 | Liquid detergents containing defoamer compositions and defoamer compositions suitable for use therein Liquid foam control compositions provide good control for liquid detergent formulations, while being storage stable both before and after incorporation into liquid detergent.... | 12/21/1999 |
| 5977191 | Method for controlling foam The present invention relates to a method for controlling foam in a foam producing system comprising adding to the foam producing system a dispersible silicone composition comprising (I) a silicone composition prepared by reacting (i) a polyorganosiloxane... | 11/02/1999 |
| 5916090 | Silicone-based foam-suppressing composition Provided by the invention is a silicone-based oil compound as a base of a defoaming agent of, for example, an emulsion type in an aqueous medium containing a surface active agent capable of exhibiting excellent sustainability of the defoaming activity and... | 06/29/1999 |
| 5861368 | Particulate foam control agents and their use A method of providing a foam control agent with 1 to 30 parts of a silicone antifoam and 70 to 99 parts of a zeolite carrier, with the ability to release some of the antifoam within 10 minutes of being dispersed in an aqueous surfactant solution, by depos... | 01/19/1999 |
| 5861453 | Silicone compositions and uses thereof The present invention relates to a silicone composition prepared by reacting a mixture comprising (i) mineral oil, (ii) a polyorganosiloxane, (iii) a silicon compound, and (iv) a catalytic amount of a catalyst. The compositions of this invention are resis... | 01/19/1999 |
| 5843336 | Silicate defoaming composition and methods Defoaming formulations for aqueous systems are produced by treating silicates such as sodium magnesium aluminosilicates with a source of aluminum to provide an aluminum content therein in the range of 0.1 to 2.5 wt. %, preferable 0.3 to 1.2 wt. %, and for... | 12/01/1998 |
| 5693256 | Foam control agent A foam control agent comprising 100 parts by weight of a water-insoluble organic liquid, from 0.1 to 20 parts by weight of a first hydrophobic filler with a size of no more than 20 μm, preferably silica, and from 0.1 to 20 parts by weight of a second hyd... | 12/02/1997 |
| 5616646 | Restructuring silicone rubber to produce fluid or grease The invention comprises processes for the production of useful fluid or grease from curable silicone compositions or silicone rubbers, preferably reclaimed or scrap silicone rubber. The processes involve the application of energy in such a manner that a u... | 04/01/1997 |
| 5556902 | Silicone antifoaming agent composition The present invention provides a silicone antifoaming agent composition excellent in the persistence of the foam controlling effect. The silicone antifoaming agent composition comprises a polydiorganosiloxane and silica, which form an antifoaming agent to... | 09/17/1996 |
| 5486306 | Foam control agents A foam control agent which is free from hydrocarbon oils and comprises (A) an organopolysiloxane with 0 to 60% of units (i) ##EQU1## wherein R denotes a C8 hydrocarbon group and a is 0-3, and 40 to 100% of units (ii) ##EQU2## whe... | 01/23/1996 |
| 5442010 | Epoxy-terminated polyisobutylene-polydimethylsiloxane compositions A composition is disclosed, said composition comprising (A) a polydimethylsiloxane having a viscosity greater than about 2 cS at 25° C.; and (B) a polyisobutylene oligomer having a number average molecular weight of about 200 to about 3,000 and having at leas... | 08/15/1995 |
