Patent Number
Description of Patent
Date Issued
6420571
Method for the preparing antiviral calanolide compounds
7/16/2002
6399654
Biflavanoids and derivatives thereof as antiviral agents
6/4/2002
6369241
Method for the preparing antiviral calanolide compounds
4/9/2002
6277879
Method for the preparation of (+)- Calanolide A and analogues Thereof
8/21/2001
6268393
Method and composition for treating and preventing Mycobacterium Infections
7/31/2001
730178
Australia
Method for the Preparation of (+)-Calanolide A and intermediates thereof
6/14/2001
6225481
Robustaflavone, intermediates and Analogues and Method for Preparation Thereof
5/1/2001
5869535
Method and composition for selectively inhibiting Melanoma
5/1/2001
6160131
Scalable method for the isolation of anti-HIV agents from tropical plant calophyllum
12/12/2000
3043813
Japan
Method for the Preparation of (+)-Calanolide A and intermediates thereof
5/22/2000
6043271
Method for the preparation of (+)- Calanolide A and intermediates thereof
3/28/2000
5981770
Method for the preparation of (+)- Calanolide A and analogues thereof
11/9/1999
707798
Australia
Biflavanoids and Derivatives thereof as Anti viral agents
11/4/1999
5977385
Method for the preparation of (+)- Calanolide A and analogues thereof
11/2/1999
5962527
Method and composition for treating cancers
10/5/1999
5948918
Biflavonoids and derivatives thereof as antiviral agents
9/7/1999
704247
Australia
Method for the preparation of (+)- Calanolide A and intermediates Thereof
7/22/1999
5892060
Method for the preparation of (+) -Calanolide A and analogues thereof
4/6/1999
5874591
Method for the preparation of (+)- Calanolide A and intermediates thereof
2/23/1999
5874577
Method for preparing 9-12-(Diethoxyphosphonomethoxy)ethyl adenine and analogues thereof
2/23/1999
5872264
Method for the preparation of (+)- Calanolide A and analogues thereof
2/16/1999
5869324
Method for the preparation of (+)- Calanolide A and intermediates thereof
2/9/1999
5859050
Method for the preparation of (+)- Calanolide A and analogues thereof
1/12/1999
5859049
Calanolide and related antiretroviral compounds, compositions and uses thereof
1/12/1999
5840921
Method for the preparation of aldol product 7B
12/8/1998
37047
Singapore
Method for the Preparation of (+)-Calanolide A and intermediates thereof
9/28/1998
6225353
Method and composition for selectively inhibiting melanoma
9/28/1998
5804575
Methods of manufacturing Betulinic Acid
9/8/1998
5773462
Biflavonoids and derivatives thereof as antiviral agents
6/30/1998
5847164
Method for the preparation of chromanone 7
2/12/1998
5658947
Method and composition for selectively inhibiting melanoma using Betulinic Acid
8/19/1997
5591770
Calanolide and related antiretroviral compounds, compositions and uses thereof
1/7/1997
5504111
Use of 2,3 alkycarbonyloxybenozic acid in treating adult respiratory distress syndrome
4/2/1996
5489697
Method for the preparation of (+)- Calanolide A and intermediates thereof
2/6/1996
