Method of production of essentially pure melatonin and the method of solubilizing melatonin in water

- IFLO S.A.S.
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Claims

Referenced Cited

U.S. Patent Documents

2248155 June 1941 Zellner
2416258 February 1947 Jenkins et al.
3947584 March 30, 1976 Zirngibl et al.

Other references

  • Kirk-Othmer, "Encyclopedia of Chemical Technology, 2nd ed., " vol. 4 (1964), pp. 149-153. Fessenden and Fessenden, "Organic Chemistry" (1982) pp. 624, 670-672, 714-716. Robert L. Grob, ed. "Modern Practices of Gas Chromatography" (1977) pp. 611-613. Katritzky, ed. "Comprehensive Heterocyclic Chemistry" (1984) pp. 334-338. Houlihan, ed. "Indoles, Part Three," (1979) pp. 12-20.

Patent History

Patent number: RE35631
Type: Grant
Filed: Jun 2, 1994
Date of Patent: Oct 14, 1997
Assignee: IFLO S.A.S. (Milan)
Inventors: Franco Fraschini (Milan), Luigi Di Bella (Milan), Ermanno Duranti, deceased (late of Milan), Maria Teresa Moni Duranti, legal representative (Urbino), Andrea Duranti, legal representative (Urbino), Lucia Duranti, legal representative (Urbino)
Primary Examiner: Matthew V. Grumbling
Law Firm: Bucknam and Archer
Application Number: 8/252,905