STABLE FREEZE DRIED POLYHEMATOPORPHYRIN ETHER/ESTER COMPOSITION
(12) Patent: (11) CA 2018751
ABSTRACT:
Stable freeze dried compositions of tumor selective porphyrin compounds useful in photodynamic therapy and methods for preparing the same.
(72) Inventors (Country): HAEGER, BRUCE E. (United States)
LAWTER, JAMES R. (United States)
NARINGREKAR, VIJAY H. (United States)
CUCOLO, MICHAEL C. (United States)
(73) Owners (Country): AXCAN PHARMA INC. (Canada)
(71) Applicants (Country): QUADRA LOGIC TECHNOLOGIES INC. (Canada)
(74) Agent: ROBIC
(45) Issued: Aug. 21, 2001
(22) Filed: June 12, 1990
(41) Open to Public Inspection: Dec. 14, 1990
Examination requested: July 16, 1996
(51) International Class (IPC): C07D 487/22
A61K 31/40
Patent Cooperation Treaty (PCT): No
(30) Application priority data: Application No. Country Date
07/366,374 United States June 14, 1989
Availability of licence: N/A
Language of filing: English
Comments: 0
Votes:7