Anti-viral agents prepared from sea lettuce as raw material

Details Anti-viral agents prepared from sea lettuce as raw material Anti-viral agents prepared from sea lettuce as raw material

2005-06-15

2008-09-02

Lilling, Herbert J (Department: 1657)

Drug, bio-affecting and body treating compositions

Extract or material containing or obtained from an alga as...

C424S442000

Reexamination Certificate

active

07419673

ABSTRACT:
Antiviral agents containing sea lettuce or an organic solvent extraction fraction thereof as an active component, and feeds containing the antiviral agents are disclosed. In addition, a process for preparing the antiviral agents is disclosed.

REFERENCES:
patent: 1141573 (1969-01-01), None
patent: 02001008637 (2001-01-01), None
patent: 2001046051 (2001-02-01), None
Caplus Computer Abstract 2002:371897 Hirayama et al “A proposal of valuable production system with coastal seawater remediatin ability by sterile Ulva (Clorophyta” Nippon Kaisui Gakkaishi (2002) 56 (2) 158-165.
Caplus Computer Abstract 2001:875763 Hirayama et al. “Sterile Ulva culture for prduction of useful substances. A proposal of a cysteinolic system applicable for environmental preservation and prod of food and drug materials” Kagaku (2001) 39(11)712-713.
DWIP Derwent No 1990-326-326188 Abstract of JP 02235997 Hasegawa Co Ltd “Prepn of seaweed flavour by exttn with semi-critical or supercritical carbon dioxide in presence of water and/or alcohol” Sep. 18, 1990.
Caplus Computer Abstract 2001:123057 Hirayama et al. “Cysteinolic acid manufacture with sea lettuce” Aug. 1999.
Caplus Computer Abstract 2001:754 018 Hirayama et al “D-Cysteinotic acid derivatives as inhibitors of Fenton reacton and singlet oxygen production” Japanese Patent JP 2001288078 Oct. 2001.
Abstract JPAB of Pub JP02001008637 A Published Jan. 16, 2001.
V. Ivanova, et al., “Isolation of a Polysaccharide with Antiviral Effect from Ulva Lactuca”, Preparative Biochemistry, vol. 24, No. 2, 1994, pp. 83-97.
Hari S. Garg, et al., “An Antiviral Sphingosine Derivative From the Green Alga Ulva Fasciata”, Tetrahedron Letters, vol. 33, No. 12, 1992, pp. 1641-1644.

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