← Back to Patent Explorer
US2956059A Expired / Lapsed US ⏱️ 0.0 years remaining

Ester-like pipemdine derivatives

Assignee: —
•
Filing: —
•
Granted: 1960-10-11
•
Expires: 1977-10-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 11:28
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/40; C07D211/44; C07D211/46; C07D211/56; C07D211/58

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 4 words
P-N-BUTOXY-BENZOIC ACID - (1-METHYL-4-PIPERIDYL)ESTER.
Claim 2
Dependent Claim 4 words
P-N-BUTOXY-BENZOIC ACID - (1-METHYL-4-PIPERIDYL)ESTER.
Claim 3
Dependent Claim 9 words
P-N-BUTYLAMINEO BENZOIC ACID-(1 - METHYL - 4 - PIPERIDYL)-ESTER.
Claim 4
Dependent Claim 9 words
P-N-BUTYLAMINEO BENZOIC ACID-(1 - METHYL - 4 - PIPERIDYL)-ESTER.
Claim 5
Dependent Claim 4 words
N-N-BUTYL - ANTHRANILIC ACID-(1-METHYL-4-PIPERIDYL)ESTER.
Claim 6
Dependent Claim 4 words
N-N-BUTYL - ANTHRANILIC ACID-(1-METHYL-4-PIPERIDYL)ESTER.
Claim 7
Dependent Claim 6 words
O-N-BUTYL-SALICYLIC ACID-(1-METHYL - 4 - PIPERIDYL)ESTER.
Claim 8
Dependent Claim 6 words
O-N-BUTYL-SALICYLIC ACID-(1-METHYL - 4 - PIPERIDYL)ESTER.

References Cited (Backward Citations)

GB241767A Cited
US2507449A Cited
US2606205A Cited
US2850497A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-10-11 1964-04-11 1964-10-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-10-11 1968-04-11 1968-10-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-10-11 1972-04-11 1972-10-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag