US3821248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis-(p-chlorphenoxy)acetic acid esters
Assignee: Sandoz AG
•
Filing: 1970-05-27
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Granted: 1974-06-28
•
Expires: 1990-05-27
Abstract
Abstract The compounds are of the class of basic esters of bis-(pchlorophenoxy) acetic acid, e.g., bis-(p-chlorophenoxy)acetic acid B-(1-methyl-2-pyrrolidinyl)ethyl ester, which are useful as hypocholesteremic/hypolipemic agents.
Inventors
- 👤 R Griot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:23
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/08; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
The compound of claim 1 which is bis-(p-chlorophenoxy)acetic acid Beta -pyrrolidinoethyl ester.
Claim 2
Dependent Claim
12 words
The compound of claim 1 which is bis-(p-chlorophenoxy)acetic acid Beta -(1-methyl-2-pyrrolidinyl)ethyl 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) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |