| Patent Number |
Title Of Patent |
Date Issued |
| 5147722 |
Process for the production of materials and materials produced by the process |
September 15, 1992 |
| A method of forming a composite material by providing a quantity of first particles of a binder material and a quantity of second particles of a primary material having a softening temperature substantially in excess of the softening temperature of the binder material. The first and seco |
| 5019311 |
Process for the production of materials characterized by a continuous web matrix or force point |
May 28, 1991 |
| A method of forming a composite material by providing a quantity of first particles of a binder material and a quantity of second particles of a primary material having softening temperature substantially in excess of the softening temperature of the binder material. The first and second |
| 4983190 |
Pressure-swing adsorption system and method for NBC collective protection |
January 8, 1991 |
| A pressure-swing adsorber using type 13X (10 Angstrom) molecular sieve is used in lieu of or ahead of an activated or impregnated carbon filter in an NBC collective protection system. The pressure-swing adsorber removes a much wider range of toxic vapors from air than an impregnated carb |
| 4850380 |
Entry/exit decontamination system using adsorbent powder |
July 25, 1989 |
| A system for decontaminating persons or objects passing between a contaminated area and a clean area or shelter has an air lock decontamination chamber and a shower of powdered adsorbent. A blower circulates and disperses the powdered adsorbent throughout the air lock and contacts th |
| 4829771 |
Thermoelectric cooling device |
May 16, 1989 |
| This invention is a device for efficiently cooling a fluid, such as drinking water. It comprises a stack of thermoelectric cooling modules which are oriented with the hot sides of adjacent modules facing each other, and with the cold sides also facing each other. Positioned between e |
| 4828698 |
Filtering apparatus |
May 9, 1989 |
| The disclosure describes a filter assembly comprising a housing having a liquid inlet and a liquid outlet and defining a liquid flow path between the inlet and the outlet; a generally cylindrical filter arrangement disposed within the housing in the liquid flow path and comprising a |
| 4780113 |
Isomobility focusing in a magnetically stabilized fluidized bed |
October 25, 1988 |
| The present invention relates to a process for chromatographically concentrating and separating a component of a multi-component feedstream using a magnetically stabilized fluidized bed. More particularly, the present invention concerns an isomobility focusing process wherein a feeds |
| 4759782 |
Coalescing filter for removal of liquid aerosols from gaseous streams |
July 26, 1988 |
| A coalescing filter capable of removing liquid aerosols (such as water and oil) from gaseous streams with high efficiency. The filter comprises three layers, (a) an intermediate fibrous layer having a pore size of from about 1.25(t) to about 2(t), where t is the dynamic film thickness of |
| 4676807 |
Process for removal of liquid aerosols from gaseous streams |
June 30, 1987 |
| Processes for the high efficiency removal liquid aerosols from gaseous streams and coalescing filters for carrying out such processes are provided. The filter comprises a porous medium having a critical surface energy less than the surface tension of the liquid to be removed and the |
| 4643852 |
Energy efficient phase transfer/dispersion systems and methods for using the same |
February 17, 1987 |
| The present invention provides an apparatus for generating gas bubbles in a liquid. The bubbles, which are uniform in size and on the order of approximately 100 micrometers in diameter or less, enhance the efficiency of gas transfer to the liquid. The apparatus includes at least one |
| 4604109 |
Fluid purifier |
August 5, 1986 |
| The disclosure describes a device for separating a substantial fraction of a volatile contaminant from a contaminated fluid. The device comprises a vacuum chamber having an internal space that may be at least partially evacuated, at least one rotating plate disposed within the vacuum cha |
| 4548730 |
Portable self-contained oxygen generator apparatus and method |
October 22, 1985 |
| An oxygen generator is provided in the form of a housing having isolated first and second chambers. Oxygen-generating material is placed in the first chamber and a catalyst for activating the oxygen-generating material is placed in the second chamber. A heat-absorbing hydrated salt is al |
| 4537608 |
System for removing contaminant particles from a gas |
August 27, 1985 |
| A system for removing contaminant particles from a gas such as air includes an assembly of vortex air cleaners and a depth filter which are disposed in series in a passage through which the air flows so that the larger particles and liquid droplets are removed from the air by the cleaner |
| 4437007 |
Large arrays of discrete ionizing radiation detectors multiplexed using fluorescent optical conv |
March 13, 1984 |
| The present invention is a large scintillator array multiplexing apparatus and method in which individual scintillators are coupled to fluorescent optical converters that absorb the light emitted by the scintillators and emit at longer wavelengths. Loss of light is minimized by maximizin |
| 4380886 |
Method of promoting water transport through soil |
April 26, 1983 |
| A method of promoting the transport of water through medium and coarse grained soils comprising the step of applying to the medium or coarse grained soil a soil amendment composition at a level of less than 20 parts per million parts by weight of dry soil, and preferably less than 5 ppm. |
| 4301620 |
Method of promoting water transport through soil |
November 24, 1981 |
| A method of promoting the transport of water through medium and coarse grained soils comprising the step of applying to the medium or coarse grained soil a soil amendment composition at a level of less than 20 parts per million parts by weight of dry soil, and preferably less than 5 ppm. |
| 4163657 |
Soil conditioning composition and method of using same |
August 7, 1979 |
| A soil conditioning composition of extended useful life in soil comprises a substantially linear, substantially water-soluble hydrophilic polymer having a molecular weight greater than 50,000 and at least one functional group disposed along the polymer chain. The polymer chain comprises |