US4218451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Penicillins and their use
Assignee: Bayer AG
•
Filing: 1978-06-29
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Granted: 1980-08-19
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Expires: 1998-06-29
Abstract
Abstract New penicillins of the formula ##STR1## in which ##STR2## E is oxygen or sulphur, and R 1 and R 2 are hydrogen or various organic radicals with certain provisos, or salts thereof, are antibacterially ative and useful as antibiotics in pharmacy, as animal feed supplements for promoting growth, and as preservatives.
Inventors
- 👤 Peter Feyen
- 👤 Hans-Bodo Konig
- 👤 Karl G. Metzger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:56
CPC Classifications
C; C07; C07D; C07D499/00; A; A61; A61P; A61P31/00; A61P31/04
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
52 words
A penicillin derivative of the formula ##STR179## in which R 1 is alkyl with 1 to 3 carbon atoms, R 2 is hydrogen, alkyl with 1 to 4 carbon atoms, allyl, cyclopropyl, methylsulphonyl or phenylsulphonyl, B is phenyl, 4-hydroxyphenyl, cyclohexadienyl, and n is 1 or 2, or a pharmaceutically acceptable salt thereof.
Claim 2
Dependent Claim
52 words
A penicillin derivative of the formula ##STR179## in which R 1 is alkyl with 1 to 3 carbon atoms, R 2 is hydrogen, alkyl with 1 to 4 carbon atoms, allyl, cyclopropyl, methylsulphonyl or phenylsulphonyl, B is phenyl, 4-hydroxyphenyl, cyclohexadienyl, and n is 1 or 2, or a pharmaceutically acceptable salt thereof.
Claim 3
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR180## or a pharmaceutically acceptable salt thereof.
Claim 4
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR181## or a pharmaceutically acceptable salt thereof.
Claim 5
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR182## or a pharmaceutically acceptable salt thereof.
Claim 6
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR183## or a pharmaceutically acceptable salt thereof.
Claim 7
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR184## or a pharmaceutically acceptable salt thereof.
Claim 8
Dependent Claim
14 words
A compound according to claim 1 of the formula ##STR185## or a salt thereof.
Claim 9
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR186## or a pharmaceutically acceptable salt thereof.
Claim 10
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR187## or a pharmaceutically acceptable salt thereof.
Claim 11
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR188## or a pharmaceutically acceptable salt thereof.
Claim 12
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR189## or a pharmaceutically acceptable salt thereof.
Claim 13
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR190## or a pharmaceutically acceptable salt thereof.
Claim 14
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR191## or a pharmaceutically acceptable salt thereof.
Claim 15
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR192## or a pharmaceutically acceptable salt thereof.
Claim 16
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR193## or a pharmaceutically acceptable salt thereof.
Claim 17
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR194## or a pharmaceutically acceptable salt thereof.
Claim 18
Dependent Claim
14 words
A compound according to claim 1 of the formula ##STR195## or a salt thereof.
Claim 19
Dependent Claim
14 words
A compound according to claim 1 of the formula ##STR196## or a salt thereof.
Claim 20
Dependent Claim
14 words
A compound according to claim 1 of the formula ##STR197## or a salt thereof.
Claim 21
Dependent Claim
31 words
An antibacterial composition containing as an active ingredient an antibacterially effective amount of a compound or pharmaceutically acceptable salt thereof according to claim 1 in admixture with a pharmaceutically acceptable diluent.
Claim 22
Dependent Claim
13 words
A medicament in dosage unit form comprising a composition according to claim 20.
Claim 23
Dependent Claim
33 words
A method of combating bacterial diseases in human and non-human animals which comprises administering to the animals an antibacterially effective amount of a compound or pharmaceutically acceptable salt thereof according to claim 1.
Claim 24
Dependent Claim
35 words
A method of promoting growth and improving feedstuff utilization in non-human animals which comprises administering to the animals a growth promoting amount of an active compound or pharmaceutically acceptable salt thereof according to claim 1.
Claim 25
Dependent Claim
18 words
An animal feedstuff comprising feed and a compound or a pharmaceutically acceptable salt thereof according to claim 1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-08-19 | 1984-02-18 | 1984-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-19 | 1988-02-18 | 1988-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-19 | 1992-02-18 | 1992-08-19 | $7700.00 | Window Closed / Lapsed |