Patent US4032536A successfully refreshed from Google Patents.
US4032536A
Expired / Lapsed
US
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(1h-benzimidazol-2-yl)carbamates
Assignee: Janssen Pharmaceutica NV
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Filing: 1976-07-22
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Granted: 1977-06-28
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Expires: 1996-07-22
Abstract
Abstract Novel (1H-benzimidazol-2-yl)carbamates useful as anthelmintic agents.
Inventors
- 👤 Alfons H. M. Raeymaekers
- 👤 Jozef H. L. Van Gelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:42
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/28; A; A61; A61P; A61P33/00; A61P33/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
72 words
A (1H-benzimidazol-2-yl)carbamate of the formula: ##STR24## wherein: R is a member selected from the group consisting of phenyl, halophenyl and 2-thienyl; R 1 is lower alkyl; and A is an alkylene chain having the formula: ##STR25## wherein n is in integer of from 0 to 1 inclusive, and R 2 , R 3 , R 4 and R 5 are each independently selected from the group consisting of hydrogen and lower alkyl.
Claim 2
Dependent Claim
72 words
A (1H-benzimidazol-2-yl)carbamate of the formula: ##STR24## wherein: R is a member selected from the group consisting of phenyl, halophenyl and 2-thienyl; R 1 is lower alkyl; and A is an alkylene chain having the formula: ##STR25## wherein n is in integer of from 0 to 1 inclusive, and R 2 , R 3 , R 4 and R 5 are each independently selected from the group consisting of hydrogen and lower alkyl.
Claim 3
Dependent Claim
2 words
Methyl{ 5-[2-(4-fluorophenyl)-1,3-dioxolan-2-yl]-1H-benzimidazol-2-yl}carbamate.
Claim 4
Dependent Claim
2 words
Methyl{ 5-[2-(4-fluorophenyl)-1,3-dioxolan-2-yl]-1H-benzimidazol-2-yl}carbamate.
Claim 5
Dependent Claim
2 words
Methyl [5-(2-phenyl-1,3-dioxolan-2-yl)-1H-benzimidazol-2-yl]carbamate.
Claim 6
Dependent Claim
2 words
Methyl [5-(2-phenyl-1,3-dioxolan-2-yl)-1H-benzimidazol-2-yl]carbamate.
Claim 7
Dependent Claim
2 words
Methyl [5-(4-methyl-2-phenyl-1,3-dioxolan-2-yl)-1H-benzimidazol-2-yl]carbamate.
Claim 8
Dependent Claim
2 words
Methyl [5-(4-methyl-2-phenyl-1,3-dioxolan-2-yl)-1H-benzimidazol-2-yl]carbamate.
Claim 9
Dependent Claim
2 words
Methyl [5-(4,5-dimethyl-2-phenyl-1,3-dioxolan-2-yl)-1H-benzimidazol-2-yl]carbamate.
Claim 10
Dependent Claim
2 words
Methyl [5-(4,5-dimethyl-2-phenyl-1,3-dioxolan-2-yl)-1H-benzimidazol-2-yl]carbamate.
Claim 11
Dependent Claim
2 words
Methyl{ 5-[2-(2-thienyl)-1,3-dioxolan-2-yl]-1H-benzimidazol-2-yl}carbamate.
Claim 12
Dependent Claim
2 words
Methyl{ 5-[2-(2-thienyl)-1,3-dioxolan-2-yl]-1H-benzimidazol-2-yl}carbamate.
Claim 13
Dependent Claim
2 words
Methyl [5-(4-methyl-2-phenyl-1,3-dioxan-2-yl)-1H-benzimidazol-2-yl]carbamate.
Claim 14
Dependent Claim
2 words
Methyl [5-(4-methyl-2-phenyl-1,3-dioxan-2-yl)-1H-benzimidazol-2-yl]carbamate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-27 | 1980-12-27 | 1981-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-27 | 1984-12-27 | 1985-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-27 | 1988-12-27 | 1989-06-28 | $7700.00 | Window Closed / Lapsed |