Patent US3728360A successfully refreshed from Google Patents.
US3728360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ester derivatives of tetrahydrocannabinol
Assignee: Arthur D Little Inc
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Filing: 1971-08-31
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Granted: 1973-04-17
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Expires: 1991-08-31
Abstract
Abstract Novel 1-( omega -(dilower-alkylamino)acyloxy)-3-alkyl(and cycloalkyl-lower-alkyl) 6a, 7,8,10a-(and 6a,7,10,10a- and 7,8,9,10-)tetrahydro-6,6,9-trilower-alkyl-6H-dibenzo(b,d)pyrans and acid salts thereof. These compounds possess biological acitivity and are useful as therapeutic agents.
Inventors
- 👤 H Pars
- 👤 R Razdan
- 👤 K Weinhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:28
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/78; C07D311/80
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
10 words
A compound in accordance with claim 1 having the formula
Claim 2
Dependent Claim
34 words
A compound in accordance with claim 2 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is pentyl, R6 is hydrogen and said compound is 1-(4-(diethylamino)butyryloxy) -3-pentyl-6a, 7,8,10a-tetrahydro-6,6,9-trimethyl-6H-dibenzo(b,d)pyran.
Claim 3
Dependent Claim
34 words
A compound in accordance with claim 2 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is 3-methyl-2-octyl, R6 is hydrogen and said compound is 1-(4-(diethylamino) butyryloxy)-3-(3-methyl-2-octyl)-6a,7,8,10a-tetrahydro-6,6,9-trimethyl-6H -dibenzo(b,d)pyran.
Claim 4
Dependent Claim
10 words
A compound in accordance with claim 1 having the formula
Claim 5
Dependent Claim
34 words
A compound in accordance with claim 5 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is pentyl, R6 is hydrogen and said compound is 1-(4-(diethylamino)- butyryloxy)-3-pentyl-6a,7,10,10a-tetrahydro-6,6,9-trimethyl-6H -dibenzo(b,d)pyran.
Claim 6
Dependent Claim
10 words
A compound in accordance with claim 1 having the formula
Claim 7
Dependent Claim
33 words
A compound in accordance with claim 7 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is hexyl, R6 is hydrogen and said compound is 1-(4-diethylamino)butyryloxy)-3-hexyl-7,8,9, 10-tetrahydro-6,6,9-trimethyl-6H-dibenzo(b,d)pyran.
Claim 8
Dependent Claim
33 words
A compound in accordance with claim 7 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is pentyl, R6 is hydrogen and said compound is 1-(4-diethylamino)butyryloxy)-3-pentyl-7,8, 9,10-tetrahydro-6,6,9-trimethyl-6H-dibenzo(b,d)pyran.
Claim 9
Dependent Claim
5 words
A compound having the formula
Claim 10
Dependent Claim
10 words
A compound in accordance with claim 11 having the formula
Claim 11
Dependent Claim
43 words
A compound in accordance with claim 11 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is pentyl, R6 is hydrogen and Acid is HCl and said compound is the hydrochloric acid addition salt of 1-(4-(diethylamino)butyryloxy)-3-pentyl-6a, 7,8,10a-tetrahydro-6,6,9-trimethyl-6H-dibenzo(b,d)pyran.
Claim 12
Dependent Claim
43 words
A compound in accordance with claim 11 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is 3-methyl-2-octyl, R6 is hydrogen and Acid is HCl and said compound is the hydrochloric acid addition salt of 1-(4-(diethylamino)butyryloxy)-3-(3-methyl-2-octyl)-6a, 7,8,10a-tetrahydro-6,6,9-trimethyl-6H-dibenzo(b,d)pyran.
Claim 13
Dependent Claim
10 words
A compound in accordance with claim 10 having the formula
Claim 14
Dependent Claim
43 words
A compound in accordance with claim 15 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is pentyl, R6 is hydrogen and Acid is HCl and said compound is the hydrochloric acid addition salt of 1-(4-(diethylamino)butyryloxy)-3-pentyl-6a, 7,10,10a-tetrahydro-6,6,9-trimethyl-6H-dibenzo(b,d)pyran.
Claim 15
Dependent Claim
10 words
A compound in accordance with claim 10 have the formula
Claim 16
Dependent Claim
43 words
A compound in accordance with claim 16 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is hexyl, R6 is hydrogen and Acid is HCl and said compound is the hydrochloric acid addition salt of 1-(4-diethylamino)butyryloxy)-3-hexyl-7,8, 9,10-tetrahydro-6,6,9-trimethyl-6H-dibenzo(b,d)pyran.
Claim 17
Dependent Claim
43 words
A compound in accordance with claim 16 wherein n is 2, R1 and R2 are methyl, R3 and R4 are ethyl, R5 is pentyl, R6 is hydrogen and Acid is HCl and said compound is the hydrochloric acid addition salt of 1-(4-diethylamino)butyryloxy)-3-pentyl-7,8, 9,10-tetrahydro-6,6,9-trimethyl-6H-dibenzo(b,d)pyran.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |