| Patent Number |
Title Of Patent |
Date Issued |
| 7229560 |
Sack-based processes for recovering oil floating on water |
June 12, 2007 |
| 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 longest dimension parall |
| 7094338 |
Method of making and using a filter in the form of a block of agglomerated copolymer fragments |
August 22, 2006 |
| 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 for the filter system to be a |
| 7048878 |
Process of forming oil-absorbent bodies |
May 23, 2006 |
| 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 multitudes of granules. In |
| 6723791 |
Systems for ameliorating aqueous hydrocarbon spills |
April 20, 2004 |
| 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 10-30% by weight |
| 6541569 |
Polymer alloys, morphology and materials for environmental remediation |
April 1, 2003 |
| A polymer alloy and method of making same comprising a block copolymer thermoplastic elastomer comprising a microscopic porosity rapidly plasticized by environmental contaminants and a binder of a polymer or copolymer, the binder binding block copolymer particles while preserving the |
| 6531059 |
Suspended runoff water filter |
March 11, 2003 |
| 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 for the filter system to be a |
| 6344519 |
Systems for ameliorating aqueous hydrocarbon spills |
February 5, 2002 |
| 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 10-30% by weight |
| 6231758 |
Curb-inlet storm drain systems for filtering trash and hydrocarbons |
May 15, 2001 |
| 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-absorbent, copolymer material having hi |
| 6106707 |
Curb-inlet storm drain systems for filtering trash and hydrocarbons |
August 22, 2000 |
| 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-absorbent, copolymer material having hi |
| 6099723 |
Catchbasin systems for filtering hydrocarbon spills |
August 8, 2000 |
| 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 (d) are dimensioned to float |
| 6080307 |
Storm drain systems for filtering trash and hydrocarbons |
June 27, 2000 |
| 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 containing a hydrophobic, compliant, |
