Harbor Branch Oceanographic Institution, Inc.

Ryuichi Sakai

Tatsuo Higa

May S Lui

Shigeo Kohmoto

Toshio Ichiba

This invention relates to antitumor alkaloid compositions, a process of producing the compositions and a method for inhibiting tumors utilizing the compositions. More particularly, the compositions are antitumor alkaloids which are derived from marine organisms, i.e., the marine sponge Xestospongia, sp.

Antitumor alkaloids

This invention relates to antitumor alkaloid compositions, a process of producing the compositions and a method for inhibiting tumors utilizing the compositions. More particularly, the compositions are antitumor alkaloids which are derived from marine organisms, i.e., the marine sponge Amphimedon sp.

This invention relates to antitumor alkaloid compositions, a process of producing the compositions and a method for inhibiting tumors utilizing the compositions. More particularly, the compositions are antitumor alkaloids which are derived from marine organisms, i.e., the marine sponge genus Haliclona.

This invention relates to novel macrolide compositions which are useful as antitumor, antiviral and antifungal compositions, a process of producing the compositions and a method for inhibiting tumors, viruses and fungi utilizing the compositions. More particularly, the novel macrolide compositions are organic misakinolide and misakinolide derivative compositions which are derived from marine sponges genus Theonella.

Misakinolide compositions and their derivatives

This invention relates to antiviral organic guanidine derivatives compositions; a process of producing the antiviral compositions; and a method for inhibiting viruses utilizing the compositions. More particularly, the compositions are tubastrines derived from marine coral Tubastrea aurea.

Antiviral guanidine derivatives compositions and their methods of use

This invention relates to antiviral organic guanidine derivatives compositions; a process of producing the antiviral compositions; and a method for inhibiting viruses utilizing the compositions. More particularly, the compositions are tubastrines derived from marine coral tubastrea aurea.

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Vero Beach, FL, United States of America

Ryuichi Sakai