Inventor
Hsi L. Lee
Inventor
Paterson, NJ, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds89%
A47BTables11%
PatentTitleYear
5,799,571'Positioning device for an extentable table'19984,382,031'Intermediates for the preparation of biotin'19834,337,345'Preparation of biotin via thieno [3,2c] isoxazoles'19824,320,056'Certain thia-diazatricyclo[3,3,3,0.sup.8,11 ]tridecanes, and their preparation'19824,284,557'Intermediate racemates for the preparation of biotin and a process for their preparation'19814,247,704'Hexahydro thieno imadazole intermediates for the synthesis of biotin'19814,245,104'Isoxazolines and isoxazolidines'19814,189,586'Preparation of biotin'19804,130,713'Biotin intermediates'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1983Patents assigned to HOFFMANN LA ROCHE (8)· patent assignee history
1978–1983Based in Paterson, NJ, US· patent location history
1998Based in Kaohsiung, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOFFMANN LA ROCHE | 8 | 1978–1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Paterson, New Jersey, US | 8 | 1978–1983 |
| Kaohsiung, TW | 1 | 1998 |