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Class 516/926 - Phase change (e.g., melting)


Subclass of Class 516 - Colloid systems and wetting agents; subcombinations thereof; processes of
Definition: A collection of art under cross-reference art collection
No. of patents: 30
Last issue date: 10/16/2007


NumberTitleIssue Date
7282524Alkanolamide surfactant emulsions and process therefor
Phase stable, pumpable, liquid, high solids, aqueous monoalkanolamide surfactant emulsions are disclosed for use as cold mixable monoalkanolamide delivery systems for separately prepared aqueous formulations containing at least one principal surfactant. The monoalka...
10/16/2007
7148260Water-based emulsifier wax gels including free sphingoid bases and oil in-water emulsion including the same
Water-based emulsifier wax gels are provided that include skin-identical sphingolipids The present invention also provides a process for the preparation of such gels, the use of such gels for the preparation of oil-in-water emulsions, and the resulting emulsions tha...
12/12/2006
6765024Alkanolamide surfactant emulsions and process therefor
Phase stables, pumpable, liquid, high solids, aqueous monoalkanolamide surfactant emulsions are disclosed for use as cold mixable monoalkanolamide delivery systems for separately prepared aqueous formulations containing at least one principal surfactant. The monoalk...
07/20/2004
6517853Process for preparing a crystal suspension
A process for preparing a crystal suspension of an organic compound which has a ƊH/RT value (where ƊH is the heat of fusion of the compound, R is the molar gas constant and T is the melting point of the compound) in the range of 1 to 10, the process com...
02/11/2003
6384090Preparation of active ingredient dispersions and apparatus therefor
The invention relates to a process and an apparatus for preparing active ingredient dispersions, wherein an active ingredient is dissolved in a fluid gas, the fluid gas loaded with active ingredient is essentially completely dissolved in a liquid and is d...
05/07/2002
6306915Methods of making an emulsified composition
The present invention provides a method of making an emulsified composition employing an emulsifier containing a sphingoglycolipid which has a structure represented by the following formula: ##STR1## wherein R1 is a saccharide moiety which cons...
10/23/2001
6207178Solid lipid particles, particles of bioactive agents and methods for the manufacture and use thereof
The present invention is in the area of administration forms and delivery systems for drugs, vaccines and other biologically active agents. More specifically the invention is related to the preparation of suspensions of colloidal solid lipid particles (SL...
03/27/2001
6197836Preparation of active ingredient dispersions and apparatus therefor
The invention relates to a process and an apparatus for preparing active ingredient dispersions, wherein an active ingredient is dissolved in a fluid gas, the fluid gas loaded with active ingredient is essentially completely dissolved in a liquid and is d...
03/06/2001
6194472Petroleum hydrocarbon in water colloidal dispersion
A composition of a hydrocarbon in water colloidal dispersion including hydrocarbon particles having a mean softening point exceeding 95° C., a water soluble dispersion agent and water, process and apparatus for the production thereof are disclosed. These...
02/27/2001
6156806High internal phase ratio emulsions and stable aqueous dispersions of hydroxy-functional polymers
The present invention is a composition comprising either: a) a high internal phase ratio emulsion having water as a continuous phase and a thermoplastic hydroxy-functional polyether as a disperse phase; or b) a stable aqueous dispersion of the thermoplast...
12/05/2000
6113659Fuel comprising a petroleum hydrocarbon in water colloidal dispersion
A fuel composition comprising a hydrocarbon in water colloidal dispersion including spherical hydrocarbon particles having a mean softening point exceeding about 95° C., and a water soluble dispersion agent comprising a surfactant and stabilizer. The pro...
09/05/2000
5976403Organoalkali compounds and their preparation
A process for producing dispersions of atmospherically stable, coated alkali metal particles and atmospherically stable, coated alkali metal powders by agitating a mixture of molten alkali metal in a hydrocarbon oil at dispersion speeds, optionally in the...
11/02/1999
5885486Solid lipid particles, particles of bioactive agents and methods for the manufacture and use thereof
The present invention is in the area of administration forms and delivery systems for drugs, vaccines and other biologically active agents. More specifically the invention is related to the preparation of suspensions of colloidal solid lipid particles (SL...
03/23/1999
5851429Dispersions of waxy pour point depressants
A liquid pour point depressant composition comprises a pour point depressant which is a solid at room temperature and which has a number average molecular weight of at least 500, and a liquid medium in which the material of pour point depressant is substa...
12/22/1998
5785976Solid lipid particles, particles of bioactive agents and methods for the manufacture and use thereof
The present invention is in the area of administration forms and delivery systems for drugs, vaccines and other biologically active agents. More specifically the invention is related to the preparation of suspensions of colloidal solid lipid particles (SL...
07/28/1998
5776369Alkali metal dispersions
A process for producing dispersions of atmospherically stable, coated alkali metal particles and atmospherically stable, coated alkali metal powders by agitating a mixture of molten alkali metal in a hydrocarbon oil at dispersion speeds, optionally in the...
07/07/1998
5665531Method of gelation of photographic emulsions, oil in water emulsions, or gelatin solutions and unit therefor
A method of gelation of a photographic emulsion, oil in water emulsion, or a gelatin-containing solution comprising continuously rapidly cooling the photographic emulsion, oil in water emulsion, or the gelatin-containing solution, which has good thermal e...
09/09/1997
5575992Extended release hot and cold gel fragrance cartridges and method of making the same
A fragrance dispensing cartridge is disclosed housing either a hot- or cold-type fragrance containing gel. Each gel is housed in a cartridge having an opening, wherein the opening is covered with an air permeable membrane. The membrane is positioned above...
11/19/1996
5275758Production of ultrafine suspensions of bisphenol, sodium hydroxide and water
The invention relates to ultrafine suspensions of bisphenol, sodium hydroxide and water for the production of polycarbonates by the two-phase interfacial process. According to the invention, these suspensions are prepared by cooling bisphenolate concentra...
01/04/1994
5182190Method for obtaining a photographic coating composition
The present invention relates to a method for obtaining a silver halide photographic composition for a coating layer. The method consists in individually preparing the various components of the desired layer, comprising at least one silver halide emulsion...
01/26/1993
5153029Solid-form additive systems dispersible in aqueous media, methods for the preparation and application thereof to polymeric particles
Solid form additive systems which are dispersible in aqueous media are disclosed, as are methods for preparing such additive systems and methods for dispersing such additive systems in aqueous media. Also disclosed are methods for applying additive to pol...
10/06/1992
5149469Method of manufacturing a wound dressing
A method of manufacturing a wound dressing having microscopic web-like interconnections and a porous structure of continuous pores throughout the wound dressing. In the first embodiment of the method, the dressing is produced by the steps of heating while...
09/22/1992
4839093Process and apparatus for continuous manufacture of an emulsion
The invention relates to a process and apparatus for continuous manufacture of an emulsion. A first liquid is brought to emulsion temperature and the components in suspension in the first liquid are brought to the state of second liquids able to be introd...
06/13/1989
4808353Process for preparing an artificial biological membrane
A process for preparing an artificial biological membrane in which an aqueous solution containing 6 wt % or more of polyvinyl alcohol having a degree of hydrolysis of not less than 95 mol % and an average polymerization degree of not less than 700 and con...
02/28/1989
4746460Preparation of emulsions
An HIPR emulsion of oil in water is prepared by a method comprising the steps of (a) generating a foam by beating a gas into an aqueous solution of a surfactant and (b) dispersing the foam into the oil under low shear conditions in the range 10 to 1,000 r...
05/24/1988
4435309Method of liquifying waxy materials
The invention discloses a method of liquifying materials which are either waxy solids at ambient temperatures or solid or semi-solid mixtures of such waxy materials and a solvent therefor. Specifically, the invention discloses a method of preparing a liqu...
03/06/1984
4380503Process for preparing oil-in-water emulsion
The invention relates to a process for the preparation of fine-particulate, stable emulsions of the oil-in-water type, in which the quantity of emulsifier required to achieve a stable emulsion is distributed in about 0.5 to 3 times the amount of water by ...
04/19/1983
4377344Apparatus for bringing liquids in contact
There is provided an apparatus for bringing into contact liquids at least one of which is viscous, the apparatus consisting essentially of a tubular container, a first nozzle from introducing a liquid in the upper portion of the container, at least one ot...
03/22/1983
4370253Alkenylsuccinic acid emulsions and their preparation
A stable, isotropic emulsion of a water-insoluble material comprising alkenylsuccinic acid-in-water is prepared without an emulsifying agent. The emulsion is prepared by heating an admixture of a water-insoluble material comprising less than 95 weight per...
01/25/1983
4234450Preparation of non-fluidizable composition
A non-fluidizable composition readily convertible into a fluidizable composition by slight stress or pressure, which can be prepared by cooling an emulsion comprisinng a water-immiscible fatty acid, water and an emulsifier from a temperature sufficient to...
11/18/1980
 
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