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US3759928A Expired / Lapsed US ⏱️ 0.0 years remaining

Diphenyl-methylene-n-benzyl-piperidines

Assignee: UCB SA
•
Filing: 1970-06-02
•
Granted: 1973-09-18
•
Expires: 1990-06-02
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Abstract

Abstract WHEREIN A1, A2, A3, A4, A5 and B, taken separately, each represents hydrogen, halogen, halomethyl, alkyl, alkoxy, nitro, cyano or amino, and A5 and B, taken together, represent a bivalent radical selected from the group consisting of alkylene, alkenylene and alkadienylene having 3 to 5 carbon atoms and alkylene dioxy having 1 to 3 carbon atoms, said bivalent radical being connected to two adjacent carbon atoms of the benzene nucleus, WITH THE PROVISO THAT WHEN A1, A2, A3, A4, A5 and B are all hydrogen atoms, the diphenyl-methylene radical is in the ortho or meta position with regard to the nitrogen atom in the piperidine nucleus, AND THE ADDITION SALTS THEREOF WITH PHARMACEUTICALLY ACCEPTABLE INORGANIC OR ORGANIC ACIDS. Blood circulation activating, anti-arrhythmic and antihistaminic diphenyl-methylene-N-benzyl-piperidines having the general formula

Inventors

  • 👤 D Zivkovic

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 14:46
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/68; C07D211/70

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 10 words
A compound according to claim 1, said compound being 4-diphenyl-methylene-1-(4-tert.-butyl-benzyl)-piperidine.
Claim 2
Dependent Claim 10 words
A compound according to claim 1, said compound being 4-(4-fluoro-diphenyl-methylene)-1-(4-tert.-butyl-benzyl)-piperidine.
Claim 3
Dependent Claim 10 words
A compound according to claim 1, said compound being 4-(3-chlorodiphenyl-methylene)-1-(4-tert.-butyl-benzyl)-piperidine.
Claim 4
Dependent Claim 10 words
A compound according to claim 1, said compound being 4-diphenylmethylene-1-(4-n-butyl-benzyl)-piperidine.
Claim 5
Dependent Claim 10 words
A compound according to claim 1, said compound being 4-(4-chlorodiphenyl-methylene)-1-(4-isopropyl-benzyl)-piperidine.
Claim 6
Dependent Claim 10 words
A compound according to claim 1, said compound being 4-(4-fluorodiphenyl-methylene)-1-(4-n-butyl-benzyl)-piperidine.
Claim 7
Dependent Claim 10 words
A compound according to claim 1, said compound being 4-diphenylmethylene-1-(4-isopropyl-benzyl)-piperidine.
Claim 8
Dependent Claim 10 words
A compound according to claim 1, said compound being 4-(4-chlorodiphenyl-methylene)-1-(4-tert.-butyl-benzyl)-piperidine.
Claim 9
Dependent Claim 11 words
A compound according to claim 1, said compound being 4-(4-chloro-4''-fluoro-diphenyl-methylene)-1-(4-tert.-butyl-benzyl) -piperidine.
Claim 10
Dependent Claim 10 words
A compound according to claim 1, said compound being 4-(4-trifluoromethyl-dphenyl-methylene)-1-(4-tert.-butyl-benzyl)-piperidine.

References Cited (Backward Citations)

US2739968A Cited
US2739969A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-09-17 1977-03-19 1977-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-09-17 1981-03-19 1981-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-09-17 1985-03-19 1985-09-18 $7700.00 Window Closed / Lapsed

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