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Patent No. 5970981

Mouthguard made at least partially from an edible candy

A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.

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Class 166/270.2 - Nonaqueous type


Subclass of Class 166 - Wells
Definition: Surfactant or cosurfactant in which the fluid is a gas or
No. of patents: 29
Last issue date: 05/15/2012


NumberTitleIssue Date
8176981Fluorinated surfactants and methods of using the same
A composition comprising a nonionic fluorinated polymeric surfactant having a weight average molecular weight of least 100,000 grams per mole, the nonionic fluorinated polymeric surfactant comprising: divalent units independently represented by formula (I): in a ran...
05/15/2012
7338924Oil-in-water-in-oil emulsion
An oil-in-water-in-oil emulsion (O/W/O) comprising a first oil-in-water emulsion dispersed in a second oil, and a method of preparing the same. The O/W/O emulsion can be used as a drive fluid in an enhanced oil recovery process. The O/W/O emulsion of this invention ...
03/04/2008
7312184Recovery composition and method
A method and composition are described for improving recovery of oil from an oil reservoir. The method includes adding an effective amount of a fatty acid alkyl ester oil recovery composition to an oil reservoir and recovering oil from the reservoir. The composition...
12/25/2007
7069990Enhanced oil recovery methods
A process for enhanced oil recovery from an extraction operation comprises the steps of selection of an appropriate hydrocarbon bearing stratum; providing at least one production well and one injection well; and injecting into the target stratum a slurry formed from...
07/04/2006
6776234Recovery composition and method
A method and composition are described for improving recovery of oil from an oil reservoir. The method includes adding an effective amount of a fatty acid alkyl ester oil recovery composition to an oil reservoir and recovering oil from the reservoir. The composition...
08/17/2004
5311943Blends of propoxy and ethoxy surfactants
A mixture of propoxylated and ethoxylated surfactants is provided, along with a method to displace water flood residual oil from subterranean formations utilizing this mixture. The mixture is considerably less expensive than surfactants containing both pr...
05/17/1994
5267614Method for disposing of waste gas in subterranean formations
A method for safely disposing of a waste gas from produced hydrocarbons. The waste gas is mixed with a surfactant to form a foam which, in turn, is placed within a disposal zone of a subterranean formation. The waste gas is effectively "trapped" within th...
12/07/1993
5251698Method of using lignosulfonate-acrylic acid graft copolymers as sacrificial agents for surfactant flooding
A sacrificial agent method employing lignosulfonate-acrylic acid graft copolymers to reduce chemical loss to the formation during hydrocarbon recovery by surfactant system injection and sweep through an underground formation....
10/12/1993
5193617Micro-slug injection of surfactants in an enhanced oil recovery process
A method for introducing a surfactant into an oil bearing formation includes plurality of a micro-slug injections of surfactant. Each micro-slug injection comprises an "on time" in which the surfactant is introduced into the formation and which is based u...
03/16/1993
5069802Gas flood surfactants enriched in olefin disulfonate
Improved gas foam flooding surfactants and gas foam-forming mixtures wherein the surfactants are enriched in olefin disulfonate. The surfactants may be used in either a gas drive or a gas soak process. Use of the disulfonate-enriched gas foam surfactants ...
12/03/1991
5060727Method for improving enhanced recovery of oil using surfactant-stabilized foams
A process is provided for enhancing the recovery of oil in a subterranean formation. The process involves injecting a surfactant-containing foam having oil-imbibing and transporting properties. A foam having such properties is selected either by determina...
10/29/1991
4971150Foam injection into a gravity override zone for improved hydrocarbon production
A process for increasing the production of hydrocarbonaceous fluids in a reservoir where foam is injected into a gravity override zone. Foam is injected into the override zone via a well placed in the zone. This foam injection wall is positioned between a...
11/20/1990
4828029Solubilizing surfactants in miscible drive solvents
A process for dissolving surfactants in miscible gaseous drive fluids is discussed. The poor solvent properties of these drive fluids are enhanced by the addition of a cosolvent which facilitates solubilization of the surfactant into the drive solvents. S...
05/09/1989
4739831Gas flooding process for the recovery of oil from subterranean formations
In a gas flooding operation, the sweep efficiency of the gas is improved using a surfactant solution comprising an alkylated diphenyl sulfonate....
04/26/1988
4688637Method for induced flow recovery of shallow crude oil deposits
A method to enhance oil production from producing formations using a pressure differential created by evacuating a recovery hole cased through the overburden into the producing formation, and directionally injecting under pressure, into an injection hole ...
08/25/1987
4548721Method of enhanced oil recovery and compositions useful therein
A method for the enhanced recovery of oil comprised of injecting into an oil containing formation a surfactant system comprised of an oil soluble amine modified lignin and an anionic or nonionic surfactant; driving the surfactant system through the format...
10/22/1985
4541483Method for stimulation of oil and gas wells with phosphate ester surfactants
Crude oil and gas production wells, which no longer produce oil or gas utilizing conventional primary and secondary means of recovery, can be returned to production by treatment comprising addition of a non-aqueous solution of certain phosphate ester surf...
09/17/1985
4503170Shear thickening fluid
The instant invention is directed to shear thickening fluids to prevent unwanted flow in wells penetrating subterranean formations. The shear thickening fluids comprise (1) a water swellable granular clay present in sufficient quantity so that, upon inter...
03/05/1985
4452308Method of using low molecular weight polyalkylene glycols as sacrificial agents for surfactant flooding
The disclosed invention is a method of injecting polyalkylene glycols, or copolymers thereof, having a molecular weight between about 100 and 1200 into a hydrocarbon formation in conjunction with a chemical flooding process to reduce the loss of injected ...
06/05/1984
4444262Method of using amines as sacrificial agents for chemical flooding
The disclosed invention is a method of injecting an amine sacrificial agent into a hydrocarbon formation in conjunction with a chemical flooding process to reduce the loss of injected chemicals to the formation by adsorption and precipitation....
04/24/1984
4391925Shear thickening well control fluid
The instant invention is directed to shear thickening fluids which comprise a water swellable clay capable of rapidly forming a paste having a strength of at least 2000 lbs/100 ft2 upon interaction with the aqueous phase employed and present in...
07/05/1983
4331202Method for recovery of hydrocarbon material from hydrocarbon material-bearing formations
A method of heating a hydrocarbon material contained in a recovery zone in an underground hydrocarbon material-bearing formation to reduce the viscosity thereof for facilitating recovery of the hydrocarbon material, in which a gaseous penetration medium c...
05/25/1982
4265308Oil recovery method using unique salinity for oil recovery surfactant system
A series of surfactant systems is prepared at varying electrolyte concentrations, each system being mixed with oil to be displaced or its equivalent and allowed to equilibrate to determine the salinity at which the microemulsion phase has approximately eq...
05/05/1981
4157306Tertiary oil recovery process utilizing a preflush
An adjusted salinity and hardness, aqueous preflush containing a thickening material which can be, for example, a hydrophilic material such as polyacrylamide, polysaccharide, polyvinyl aromatic sulfonate, polyethylene oxide, methyl cellulose, etc. or coll...
06/05/1979
4113013Asphaltenes as sacrificial agents in oil recovery processes
A process for producing petroleum from subterranean formations is disclosed wherein production from the formation is obtained by driving a fluid from an injection well to a production well. The process involves injecting into the formation via the injecti...
09/12/1978
4086963Method of oxidizing hydrogen sulfide
The hydrogen sulfide concentration of a gas is reduced by reacting hydrogen sulfide in the gas with oxygen in the presence of raw oil shale. The ratio of sulfur dioxide to sulfur produced by this reaction depends upon the molar ratio of oxygen to hydrogen...
05/02/1978
4086962Decreasing hydrogen sulfide concentration of a gas
The hydrogen sulfide concentration and total sulfur concentration of a gas of relatively higher hydrogen sulfide and total sulfur concentration are reduced by combining hydrogen sulfide in the gas with oxygen in the presence of a fragmented permeable mass...
05/02/1978
4021356Alkoxylated asphalts as co-surfactants in surfactant oil recovery processes usable in formations containing water having high concentrations of polyvalent ions such as calcium and magnesium
Ethoxylated asphalt solutions have high tolerance for sodium and calcium ions as well as magnesium and other divalent ions. The use of ethoxylated asphalts in combination with other surfactants that normally precipitate out in the presence of these cation...
05/03/1977
4017405Soluble oil composition
A soluble oil comprising an admixture of a liquid hydrocarbon, surface active alkyl aryl sulfonates, an organic stabilizing agent, and an alkali metal or ammonium salt of a sulfated alkyl primary alcohol ethoxylate having 12 to 16 carbon atoms in the alky...
04/12/1977
 
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