U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Tobacco compositions, method and device for releasing essentially pure nicotine

Patent 4776353 Issued on October 11, 1988. Estimated Expiration Date: Icon_subject June 19, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

896124

999674

2972557

3292636

Noncombustion system for the utilization of tobacco and other smoking materials
Patent #: 4141369
Issued on: 02/27/1979
Inventor: Burruss

Smoking device
Patent #: 4219032
Issued on: 08/26/1980
Inventor: Tabatznik ,   et al.

Simulated smoking device
Patent #: 4284089
Issued on: 08/18/1981
Inventor: Ray

Device for evaporation and inhalation of volatile compounds and medications
Patent #: 4303083
Issued on: 12/01/1981
Inventor: Burruss, Jr.

Smokeable device Patent #: 4340072
Issued on: 07/20/1982
Inventor: Bolt ,   et al.

Inventors

Application

No. 06/882929 filed on 06/19/1986

US Classes:

131/297, Extraction of component, other than moisture, by contact with diverse medium131/273, Smoking simulator131/329, TOBACCO USERS' APPLIANCE131/335By adding constituent to smoke stream

Examiners

Primary: Millin, V.

Attorney, Agent or Firm

International Classes

A24B 15/42 (20060101)
A24B 15/18 (20060101)
A24B 15/00 (20060101)
A24F 47/00 (20060101)

Foreign Application Priority Data

1984-11-01 SE

Abstract

Novel tobacco compositions which, when subjected to an elevated temperature below the combustion temperature of the tobacco, liberates essentially pure nicotine. The invention also includes a method for liberating nicotine from the compositions and a device for carrying out the method.

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