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

Colored flame solid fuel and method

Patent 4997457 Issued on March 5, 1991. Estimated Expiration Date: Icon_subject January 9, 2010. 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

2504211

3468615

Gelled FAE fuel Patent #: 4302208
Issued on: 11/24/1981
Inventor: Wood ,   et al.

Inventors

Assignee

Application

No. 462742 filed on 01/09/1990

US Classes:

44/550, CONSOLIDATED SOLIDS (E.G., BRIQUETTE, ETC.)44/642FLAME COLORANT COMPOSITION

Examiners

Primary: Howard, Jacqueline V.

Attorney, Agent or Firm

Foreign Patent References

  • 0046244 JP 05/13/1972
  • 0217597 JP 12/13/1983
  • 0566385 CH 07/13/1974

International Class

C10L 005/40

Foreign Application Priority Data

1989-01-10 JP

Abstract

A solid gelled fuel for producing a visible flame of various colors, which contains methyl alcohol as a primary ingredient in a solid gel with the addition of dibenzylidene sorbitol, cellulose ester and ethylene glycol, with a flame coloring compound being suspended in the solid.

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