Patent | Date |
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Electret article having high fluorosaturation ratio Grant 7,244,291 - Spartz , et al. July 17, 2 | 2007-07-17 |
Electret article having high fluorosaturation ratio App 20060243138 - Spartz; Gerald R. ;   et al. | 2006-11-02 |
Process of making a fibrous electret web Grant 6,824,718 - Eitzman , et al. November 30, 2 | 2004-11-30 |
Method of making electret fibers Grant 6,776,951 - Rousseau , et al. August 17, 2 | 2004-08-17 |
Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid App 20020190434 - Eitzman, Philip D. ;   et al. | 2002-12-19 |
Method of making a fibrous electret web using a nonaqueous polar liquid Grant 6,454,986 - Eitzman , et al. September 24, 2 | 2002-09-24 |
Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid Grant 6,406,657 - Eitzman , et al. June 18, 2 | 2002-06-18 |
Method of making electret fibers App 20020041045 - Rousseau, Alan D. ;   et al. | 2002-04-11 |
Method of making electret fibers that have low level of extractable hydrocarbon material Grant 6,319,452 - Rousseau , et al. November 20, 2 | 2001-11-20 |
Compounds useful as resin additives Grant 6,268,495 - Rousseau , et al. July 31, 2 | 2001-07-31 |
Method of removing particulate solid or liquid aerosol from a gas Grant 6,261,342 - Rousseau , et al. July 17, 2 | 2001-07-17 |
Electret articles and filters with increased oily mist resistance Grant 6,238,466 - Rousseau , et al. May 29, 2 | 2001-05-29 |
Predicting electret performance by measuring level of extractable hydrocarbons Grant 6,237,595 - Rousseau , et al. May 29, 2 | 2001-05-29 |
Electret filters that exhibit increased oily mist resistance Grant 6,214,094 - Rousseau , et al. April 10, 2 | 2001-04-10 |
Electret fibers and filter webs having a low level of extractable hydrocarbons Grant 6,213,122 - Rousseau , et al. April 10, 2 | 2001-04-10 |
Method of making electret articles and filters with increased oily mist resistance Grant 6,068,799 - Rousseau , et al. May 30, 2 | 2000-05-30 |
Compounds useful as resin additives Grant 6,002,017 - Rousseau , et al. December 14, 1 | 1999-12-14 |
Electret filter media containing filtration enhancing additives Grant 5,976,208 - Rousseau , et al. November 2, 1 | 1999-11-02 |
Fibrous webs useful for making electret filter media Grant 5,968,635 - Rousseau , et al. October 19, 1 | 1999-10-19 |
Composition useful for making electret fibers Grant 5,919,847 - Rousseau , et al. July 6, 1 | 1999-07-06 |
Fibrous webs having enhanced electret properties Grant 5,908,598 - Rousseau , et al. June 1, 1 | 1999-06-01 |
Oily mist resistant electret filter media Grant 5,472,481 - Jones , et al. * December 5, 1 | 1995-12-05 |
Oily mist resistant electret filter media and method for filtering Grant 5,411,576 - Jones , et al. May 2, 1 | 1995-05-02 |
Ethylenically-unsaturated dextrin composition for preparing a durable hydrophilic photopolymer Grant 4,511,646 - Fohrenkamm , et al. April 16, 1 | 1985-04-16 |
Water developable positive acting lithographic printing plate Grant 4,507,382 - Rousseau , et al. March 26, 1 | 1985-03-26 |
Photopolymerizable composition containing ethylenically unsaturated oligomers Grant 4,228,232 - Rousseau October 14, 1 | 1980-10-14 |