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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 34/349 - Treating suspension or slurry


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein the treated material is a mixture of solid
No. of patents: 15
Last issue date: 09/02/2008


NumberTitleIssue Date
7419571Method for controlling the temperature of a cellulosic web entering a dryer
The invention relates to a method for controlling the temperature of a web, which is formed from cellulosic pulp and is to be passed to a dryer, by way of applying temperature-controlled liquid to the web. According to the invention, the thus formed web is passed in...
09/02/2008
6672251Method for drying slurry, rinse water and industrial effluent and/or residues
A method for drying slurry, comprising the steps of: providing an air-permeable drying bed with a suitable carrier material, arranging, for instance spraying, on the drying bed the (semi-liquid) slurry, drawing in and/or blowing drying air and guiding thi...
01/06/2004
6565709Process for producing dimensionally stable release liner and product produced thereof
A method of producing dimensionally stable paper and/or paperboard products by treating a hygroreactive cellulosic fiber matrix with a hydrophobic sizing agent solution; and drying the treated fibers using heat and/or pressure so that the hydrophobic sizi...
05/20/2003
6526675Methods of using natural products as dewatering aids for fine particles
A method of dewatering fine particulate materials is disclosed. In this method, an aqueous slurry of fine particles is treated with appropriate hydrophobizing reagents so that the particulate material becomes moderately hydrophobic. A lipid of vegetable o...
03/04/2003
6438867Method for drying and producing microporous particles and a drying device
In a process for drying microporous, fluid-containing particles, the heat required for increasing the temperature is supplied by convection by reducing the interfacial tension of the fluid, preferably to 0 to 1/10, in particular to 0 to 1/20, of the inter...
08/27/2002
5048199Dewatering composition
A dewatering composition for use in dewatering coal and other ores, comprising a sulfosuccinate, a non-ionic surfactant and a defoaming agent....
09/17/1991
5037561Method for drying biological sludge
The present invention relates to a process to pretreat aqueous biological sludge in order to provide combustibles solids to an autogenous combustion system used to thermally oxidize the sludge....
08/06/1991
4950307Preparation of a high-solids concentration low rank coal slurry
A method for preparing a high-solids concentration low rank coal slurry by dehydrating the coal, treating the dehydrated coal with a rehydrating inhibitor such as a (C3 -C12) straight chain hydrocarbon, and adding a surfactant to the...
08/21/1990
4642904Energy conserving process for drying a clay slurry
An aqueous clay slurry 7 is partially dewatered by filtration to remove a first portion of water therefrom which is collected as the filtrate 71. The partially dewatered clay slurry 9 is then contacted with a hot drying gas 25 in a spray dryer 20 to remov...
02/17/1987
4619051Process for drying polymeric beads and associating shading pigments therewith
A process for drying a water-wet paste containing polymeric beads without agglomeration is disclosed in which there is added to the wet paste a proportion of an organic solvent which forms an azeotrope with water, such as methyl isobutyl ketone, in an amo...
10/28/1986
4486959Process for the thermal dewatering of young coals
An economic process for thermally dewatering a solid carbonaceous material containing substantial amounts of chemically attached water is disclosed. The process is capable of economically removing up to 95% of the chemically attached water in the disclose...
12/11/1984
4422246Process for feeding slurry-pressurized and solvent-dewatered coal into a pressurized zone
Substantially dry coal fines are fed into a pressurized zone by slurrying coal fines with a liquid, water-miscible, volatile organic solvent to form a pumpable slurry, pressurizing the slurry, removing and recycling the organic solvent component of the li...
12/27/1983
4127944Method for drying water-absorbent compositions
Improved particle agglomeration of water-absorbent compositions of matter together with improved "wet-out" and consequent absorbent properties are provided by a method for drum drying said compositions under controlled conditions....
12/05/1978
4097378Multiple effect evaporation of water from water containing combustible sludges
Water containing combustible sludges are dried with the multiple effect use of the heat required by adding recycled cool high boiling oil and heating the mixture by direct contact with steam produced as later described. Then the oil sludge mixture has wat...
06/27/1978
3953927Drying coal in hot oil slurry using recycled steam
Drying coal having undesirably high moisture content is accomplished by heating the particulate coal in an oil slurry contained in a pressurized drying zone to sufficient temperature to evaporate the moisture. A major portion of the heat required in the d...
05/04/1976
 
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