Scented air refreshening device and method of making same

Details Scented air refreshening device and method of making same Scented air refreshening device and method of making same

1994-06-07

1996-08-20

Bhat, Nina

Chemical apparatus and process disinfecting, deodorizing, preser

For deodorizing of, or chemical purification of, or...

Including means adding material into environmental gas

261 30, 261DIG65, 239 60, 55279, A62B 708, B01D 4700

Patent

active

055476368

ABSTRACT:
An air freshening device is made from a solution of a polymer and a fragrant material, which is applied to an air permeable substrate. A solid fragrant residue is formed on the substrate. A fragrant material diffuses from the residue for scenting flowing through and about the substrate. The air freshening device includes attaching the substrate to an air filter received in a forced air heating, ventilating, and cooling system.

REFERENCES:
patent: 3685734 (1972-08-01), Paciorek et al.
patent: 3804796 (1974-04-01), Alexandre
patent: 4065262 (1977-12-01), Petroff
patent: 4095031 (1978-06-01), Engle
patent: 4118226 (1978-10-01), Bourassa
patent: 4285468 (1981-08-01), Hyman
patent: 4346840 (1982-08-01), Gaiser et al.
patent: 4425321 (1984-01-01), Jacquet et al.
patent: 4515909 (1985-05-01), Sawano et al.
patent: 4563333 (1986-01-01), Frigon
patent: 4604114 (1986-08-01), Ward
patent: 4676954 (1987-06-01), Wilson
patent: 4695434 (1987-09-01), Spector
patent: 4696844 (1987-09-01), Spector
patent: 4720409 (1988-01-01), Spector
patent: 4735358 (1988-04-01), Morita et al.
patent: 4741944 (1988-05-01), Jackson et al.
patent: 4761437 (1988-08-01), Christi
patent: 5019434 (1991-05-01), Matsumoto
patent: 5087273 (1992-02-01), Ward
patent: 5109029 (1992-04-01), Malone
patent: 5240653 (1993-08-01), Ramkisson
patent: 5258051 (1993-11-01), Anderson

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