Electrochemical device for delivery of volatile substances

  • US 5,899,381 A
  • Filed: 02/21/1997
  • Issued: 05/04/1999
  • Est. Priority Date: 02/21/1997
  • Status: Expired due to Term
First Claim
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1. A method of dispersing a volatile substance into a local environment from an enclosure having a volume and first and second chambers, said first and second chambers sealedly divided by a displacement member fixed therebetween, said displacement member flexible within said enclosure, said second chamber containing a non-solid composition comprising the volatile substance, said method comprising:

  • electrochemically generating gas into the first chamber thus moving the displacement member, compressing the second chamber, and displacing said non-sold composition out of said second chamber via an outlet in fluid communication with the local environment associated with said second chamber, thus dispersing the volatile substance into the local environment.

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