Inventor
Haldean Cloyce Dalzell
Inventor
Weston, MA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds48%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations19%
A61KPreparations for medical, dental or toiletry purposes14%
B60WConjoint control of vehicle sub-units of different type or different function5%
C07CAcyclic or carbocyclic compounds5%
G05DSystems for controlling or regulating non-electric variables5%
G08GTraffic control systems5%
PatentTitleYear
10,922,969Systems, methods and apparatuses for detecting elevated freeways to prevent engaging cruise features20214,423,221'7-Carboethoxy-morphinan-6-one compounds'19834,347,361'4,5.alpha.-Epoxy-3-hydroxy or methoxy-7-(1-hydroxy-alkyl or 1-oxoalkyl)morphinan-6-one compounds'19824,126,694'Composition and method for treating glaucoma'19784,126,695'Anti-glaucoma composition and method'19784,116,979'Process for the preparation of (-)-6a,10a-trans-6a,7,8,10a-tetrahydrodibenzo[b,d]-pyrans'19784,051,152'Oxo C-ring benzopyrans'19774,036,857'Benzopyrans having an unsaturated side chain'19774,025,516'Process for the preparation of (-)-6a,10a-trans-6a,7,8,10a-tetrahydrodibenzo[b,d]-pyrans'19774,007,207'Alkyl substituted-4-oxo-cyclopenta benzopyrans'19773,992,550'Pharmaceutical compositions containing alryl substituted cyclopenta benzopyrans'19763,946,111'Pharmaceutical compositions containing 1 or 2-mono and dialkyl substituted thienobenzopyrans and pharmacological uses thereof'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1977Patents assigned to SHARPS ASS (5)· patent assignee history
1976–1983Based in Weston, MA, US· patent location history
1977Patents assigned to JOHN C SHEEHAN INST FOR RESEAR (1)· patent assignee history
1978–1982Patents assigned to SISA INC (3)· patent assignee history
1983Patents assigned to S SA PHARMACEUTICAL LAB INC (1)· patent assignee history
2021Patents assigned to GM GLOBAL TECH OPERATIONS LLC (1)· patent assignee history
2021Based in Troy, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARPS ASS | 5 | 1976–1977 |
| SISA INC | 3 | 1978–1982 |
| GM GLOBAL TECH OPERATIONS LLC | 1 | 2021 |
| JOHN C SHEEHAN INST FOR RESEAR | 1 | 1977 |
| S SA PHARMACEUTICAL LAB INC | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Weston, Massachusetts, US | 11 | 1976–1983 |
| Troy, MI, US | 1 | 2021 |