Inventor
Betty P. L. Wen
Inventor
Scarborough, CA
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Fprimary
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium50%
A61KPreparations for medical, dental or toiletry purposes38%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals13%
PatentTitleYear
6,001,392'Antitussive drugs delivered by ion exchange resins'19994,937,061'Aluminum hydroxycarbonate gel'19904,882,324'Essentially pure acid hydroxyl ligand aluminum complexes and their preparation'19894,842,734'Essentially pure acidic amine ligand aluminum complexes and their preparation'19894,772,724'Essentially pure acid hydroxyl ligand aluminum complexes and their preparation'19884,766,216'Essentially pure acidic amine ligand aluminum complexes and their preparation'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1999Patents assigned to WARNER LAMBERT CO (4)· patent assignee history
1988Patents assigned to WARNER LAMBERT CANADA INC (1)· patent assignee history
1988–1999Based in Scarborough, CA· patent location history
1989Patents assigned to MARON ANTONINA (1)· patent assignee history
1989Patents assigned to SCHENCK TERRY G (1)· patent assignee history
1989Patents assigned to WEN BETTY P L (1)· patent assignee history
1990Based in Markham, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WARNER LAMBERT CO | 4 | 1988–1999 |
| MARON ANTONINA | 1 | 1989 |
| SCHENCK TERRY G | 1 | 1989 |
| WARNER LAMBERT CANADA INC | 1 | 1988 |
| WEN BETTY P Lself | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Scarborough, CA | 5 | 1988–1999 |
| Markham, CA | 1 | 1990 |