US3789073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adamantylalkylaminoalkyl benzamides
Assignee: ER Squibb and Sons LLC
•
Filing: 1970-04-22
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Granted: 1974-01-29
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Expires: 1990-04-22
Abstract
Abstract This invention relates to new adamantylalkyl-aminoalkyl benzamides of the general formula AND TO ACID ADDITION SALTS AND QUATERNARY AMMONIUM SALTS OF SUCH BENZAMIDES, SUBSTANCES WHICH ARE WATER SOFTENERS, INHIBIT CORROSION, ARREST CARDIAC ARRHYTHMIA AND COMBAT VIRAL INFECTION.
Inventors
- 👤 V Narayanan
- 👤 J Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:17
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/12; C09; C09D; C09D167/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
23 words
A base as in claim 1 wherein each R is lower alkyl, R1, R2 and R3 each is hydrogen and n is 1.
Claim 2
Dependent Claim
28 words
A base as in claim 1 wherein one R is halo and the other R is hydrogen, R1, R2 and R3 each is hydrogen and n is 1.
Claim 3
Dependent Claim
22 words
A base as in claim 1 wherein R3 is lower alkyl, R, R1 and R2 each is hydrogen and n is 0.
Claim 4
Dependent Claim
31 words
A base as in claim 1 wherein one R is hydrogen and one R is lower alkyl, R3 is lower alkyl, R1 and R2 each is hydrogen and n is 0.
Claim 5
Dependent Claim
20 words
A 2-adamantyl base as in claim 1 wherein R, R1, R2 and R3 each is hydrogen and n is 1.
Claim 6
Dependent Claim
30 words
A 1-adamantyl base as in claim 1 wherein the lower alkylene group has three carbon atoms, R3 is methyl, R, R1 and R2 each is hydrogen and n is 0.
Claim 7
Dependent Claim
30 words
A 1-adamantyl base as in claim 1 wherein the lower alkylene group has two carbon atoms, R3 is ethyl, R, R1 and R2 each is hydrogen and n is 0.
Claim 8
Dependent Claim
30 words
A 1-adamantyl base as in claim 1 wherein the lower alkylene group has two carbon atoms, R3 is methyl, R, R1 and R2 each is hydrogen and n is 2.
Claim 9
Dependent Claim
32 words
A 1-adamantyl base as in claim 1 wherein the lower alkylene group has two carbon atoms, R1 and R3 each is methyl, R and R2 each is hydrogen and n is 0.
Claim 10
Dependent Claim
12 words
A member of the group consisting of a base of the formula
Claim 11
Dependent Claim
5 words
A base of the formula
Claim 12
Dependent Claim
11 words
A base as in claim 1 wherein each R is hydrogen.
References Cited (Backward Citations)
US3328251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |