[1]CurrentPatentAssignee:OREGONSTATEBOARDOFHIGHEREDUCATION;UNIVERSITYOFCALIFORNIA-US5514680,1996,A
[2]CurrentPatentAssignee:PURDUEPHARMAL.P.;OREGONSTATEBOARDOFHIGHEREDUCATION;UNIVERSITYOFCALIFORNIA-US5631373,1997,A
[1]Patent:US5514680,1996,A
[2]Patent:US5631373,1997,A
[1]CurrentPatentAssignee:OREGONSTATEBOARDOFHIGHEREDUCATION;UNIVERSITYOFCALIFORNIA-US5514680,1996,A