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| Number | Title | Issue Date |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7229559 | Dual-action decontamination method Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 06/12/2007 |
| 7048878 | Process of forming oil-absorbent bodies A process for forming an oil-sorbent composition of matter with bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM) utilizes a low-temperature extrusion process. The SBS, or both materials, may be in the form of multitud... | 05/23/2006 |
| 6723791 | Systems for ameliorating aqueous hydrocarbon spills An oil-sorbent composition of matter has bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM). The SBS, or both materials, may be in the form of multitudes of granules. In certain preferred embodiments, the combination is... | 04/20/2004 |
| 6712976 | Dual-action decontamination system Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 03/30/2004 |
| 6531059 | Suspended runoff water filter One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter system beneath the grate of a storm drain without the need ... | 03/11/2003 |
| 6344519 | Systems for ameliorating aqueous hydrocarbon spills An oil-sorbent composition of matter has bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM). The SBS, or both materials, may be in the form of multitudes of granules. In certain preferred embodiments, the com... | 02/05/2002 |
| 6231758 | Curb-inlet storm drain systems for filtering trash and hydrocarbons A modular insert for curb-inlet storm drains creates a composite collection system for trash and for oil or other hydrocarbons and related chemicals. A hopper contains a multitude of irregular, macroscopic fragments of a hydrophobic, compliant, oil-absorb... | 05/15/2001 |
| 6143172 | Methods for ameliorating hydrocarbon spills in marine and inland waters A plurality of water- and oil-porous sacks are partially filled with a number of generally toroidal bodies of a polymer material that entraps oil and including mesh fragments scattered throughout the bodies. Each sack is sewn with a perimeter stiffening r... | 11/07/2000 |
| 6106707 | Curb-inlet storm drain systems for filtering trash and hydrocarbons A modular insert for curb-inlet storm drains creates a composite collection system for trash and for oil or other hydrocarbons and related chemicals. A hopper contains a multitude of irregular, macroscopic fragments of a hydrophobic, compliant, oil-absorb... | 08/22/2000 |
| 6099723 | Catchbasin systems for filtering hydrocarbon spills A water- and oil-porous sack contains a hydrophobic, compliant, oil-absorbent, copolymer material arranged in a number of bodies that (a) are generally cylindrical, (b) are porous, (c) have at least one passageway parallel to the axis of the cylinder, and... | 08/08/2000 |
| 6080307 | Storm drain systems for filtering trash and hydrocarbons A storm-drain insert has separate collection systems for trash and oil or other hydrocarbons. A tilted grate separates trash from oily inlet water and directs the trash to a separate basket, and the water flows through a corrugated, flexible canister cont... | 06/27/2000 |
| 5863440 | Methods for ameliorating oil spills in marine and inland waters A plurality of water- and oil-porous sacks are partially filled with a number of generally toroidal bodies of a polymer material that entraps oil and including mesh fragments scattered throughout the bodies. Each sack is sewn with a perimeter stiffening r... | 01/26/1999 |
