.
home subtractants history clients order page
 
History
… how subtractant technologies originated and grew

1991 Invented CBP powder odor subtractant.
1992 Established relation of particle size, subtraction rate, mass, University of Colorado.
1993 Developed Gray Matter ® cloth particle and odor subtractant; began production.
1994 Began BEC Technologies, Inc. (for Better, Economical, Convenient air filter media).
1994 Corporate clients began using subtractant media.
1995 Explored patenting subtractant manufacturing technology, materials.
1996 Decided to compete via very low prices, not through patents.
1997 Discussed subtractants with synthetic fiber extruders: Hercules, Tenneco, Amoco.
1998 Discussed subtractants with filter media manufacturers: Hobbs, Freudenberg, Dupont.
1999 Developed subtractant granules for pet litter, kennel bedding.
2001 Visited university textile departments; discussed subtractants.
2001 Advised Kimberly Clark of synergy between electrets and powdered subtractants.
2002 Consulted with US Navy re subtractants and submarine / surface ship air quality.
2003 Developed subtractant liquid for spray application to most surfaces
2004 Decided to broadcast technology and favor social rewards over monetary rewards.