Patent US4076937A successfully refreshed from Google Patents.
US4076937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dibenzyl glycolic acid derivatives
Assignee: Warner Lambert Co LLC
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Filing: 1976-06-16
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Granted: 1978-02-28
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Expires: 1996-06-16
Abstract
Abstract The present invention is concerned with new dibenzylglycolic acid derivatives and with the preparation thereof. These derivatives show an extraordinary anti-hypertensive and antisecretory profile.
Inventors
- 👤 Wolf-Dieter Vigelius
- 👤 Gerhard Satzinger
- 👤 Manfred Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:06
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/20; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/10; C07D211/14; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
46 words
An Acetyl-dibenzyl-glycolic acid-β-R-ester wherein R is selected from the group consisting of: piperidinoethyl, 2,2,6,6-tetramethyl-piperidino-ethyl, dimethylaminoethyl, diethylaminoethyl, dimethylaminopropyl, pyrrolidinoethyl, morpholinoethyl, piperidino-isopropyl, piperidinopropyl, (2-methyl-piperidino)-ethyl, (3-methyl-piperidino)-ethyl, (4-methyl-piperidino)-ethyl, (2,6-dimethylpiperidino)-ethyl, (4-phenyl-piperidino-ethyl, (4,4-pentamethylene-piperidino)-ethyl, and hexamethyleneiminoethyl and pharmaceutically compatible quaternary lower alkyl ammonium salts and pharmaceutically compatible inorganic and organic acid salts thereof.
Claim 2
Dependent Claim
46 words
An Acetyl-dibenzyl-glycolic acid-β-R-ester wherein R is selected from the group consisting of: piperidinoethyl, 2,2,6,6-tetramethyl-piperidino-ethyl, dimethylaminoethyl, diethylaminoethyl, dimethylaminopropyl, pyrrolidinoethyl, morpholinoethyl, piperidino-isopropyl, piperidinopropyl, (2-methyl-piperidino)-ethyl, (3-methyl-piperidino)-ethyl, (4-methyl-piperidino)-ethyl, (2,6-dimethylpiperidino)-ethyl, (4-phenyl-piperidino-ethyl, (4,4-pentamethylene-piperidino)-ethyl, and hexamethyleneiminoethyl and pharmaceutically compatible quaternary lower alkyl ammonium salts and pharmaceutically compatible inorganic and organic acid salts thereof.
Claim 3
Dependent Claim
10 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-piperindinoethyl ester.
Claim 4
Dependent Claim
10 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-2,2,6,6-tetramethyl-piperidinoethyl ester.
Claim 5
Dependent Claim
10 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-dimethylaminoethyl ester.
Claim 6
Dependent Claim
9 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-diethylaminoethyl-ester.
Claim 7
Dependent Claim
9 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-dimethylaminopropyl-ester.
Claim 8
Dependent Claim
10 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-pyrrolidinoethyl ester.
Claim 9
Dependent Claim
10 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-morpholinoethyl ester.
Claim 10
Dependent Claim
10 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-piperidino-isopropyl ester.
Claim 11
Dependent Claim
10 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-piperidinopropyl ester.
Claim 12
Dependent Claim
10 words
The ester of claim 1 which is Acetyl-dibenzyl-glycolic acid-β-(3-methyl-piperidino)ethyl ester.
Claim 13
Dependent Claim
15 words
An ester of claim 1 wherein R is: (2-methyl-piperidino)-ethyl, (4-methyl-piperidino)-ethyl, (2,6-dimethylpiperidino)-ethyl, (4-phenyl-piperidino)-ethyl, (4,4-pentamethylene-piperidino)-ethyl, and hexamethyleneiminoethyl.
Claim 14
Dependent Claim
10 words
The ester of claim 12 which is Acetyl-dibenzyl-glycolic acid-β-(2-methyl-piperidino-ethyl ester.
Claim 15
Dependent Claim
11 words
The ester of claim 12 which is Acetyl-dibenzyl glycolic acid-β-(4-methyl-piperidino)-ethyl ester.
Claim 16
Dependent Claim
10 words
The ester of claim 12 which is Acetyl-dibenzyl-glycolic acid-β-(2,6-dimethylpiperidino)-ethyl ester.
Claim 17
Dependent Claim
10 words
The ester of claim 12 which is Acetyl-dibenzyl-glycolic acid-β-(4-phenyl-piperidino)-ethyl ester.
Claim 18
Dependent Claim
10 words
The ester of claim 12 which is Acetyl-dibenzyl-glycolic acid-β-(4,4-pentamethylene-piperidino)-ethyl ester.
Claim 19
Dependent Claim
10 words
The ester of claim 12 which is Acetyl-dibenzyl-glycolic acid-β-hexamethyleneiminoethyl ester.
Claim 20
Dependent Claim
3 words
Acetyl-o,o'-dichlorodibenzyl-glycolic acid (β-piperidinoethyl)-ester.
Claim 21
Dependent Claim
3 words
Acetyl-o,o'-dichlorodibenzyl-glycolic acid (β-piperidinoethyl)-ester.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-27 | 1981-08-29 | 1982-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-27 | 1985-08-29 | 1986-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-27 | 1989-08-29 | 1990-02-28 | $7700.00 | Window Closed / Lapsed |