Patent US3924002A successfully refreshed from Google Patents.
US3924002A
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Method for combatting harmful microorganisms
Assignee: Novartis AG
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Filing: 1973-04-16
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Granted: 1975-12-02
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Expires: 1993-04-16
Abstract
Abstract The present invention provides a method for combating harmful microorganisms, which comprises applying to a desired site an effective amount of 2-hydroxy-benzophenone of the formula WHEREIN Z1 denotes halogen or alkyl, X1 and Y1 each denote hydrogen, halogen, alkyl, cycloalkyl, benzene or substituted benzene, X2, X3, X4, Y2 and Y3 each denote hydrogen, halogen or alkyl and X5 denotes hydrogen or halogen, with the number of the alkyl, benzene and cyclohexyl radicals as substituents being together at most 4. The anti-bacterial range of these 2-hydroxy benzophenones extends both to gram-positive and gram-negative bacteria.
Inventors
- 👤 Max Duennenberger
- 👤 Max Schellenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:27
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; C11D7/00; C11D7/22; C11D7/26; C11D7/264; C11D7/28; D; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/133
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
23 words
A COMPOSITION FOR COMBATTING FUNGI AND BACTERIA WHICH COMPRISES SOLID OR LIQUID CARRIER AND AN INHIBITORY AMOUNT OF A 2-HYDROXYBENZOPHENONE OF THE FORMULA
Claim 2
Dependent Claim
23 words
A COMPOSITION FOR COMBATTING FUNGI AND BACTERIA WHICH COMPRISES SOLID OR LIQUID CARRIER AND AN INHIBITORY AMOUNT OF A 2-HYDROXYBENZOPHENONE OF THE FORMULA
Claim 3
Dependent Claim
12 words
The composition of claim 1, wherein the 2-hydroxy-benzophenone is of the formula
Claim 4
Dependent Claim
12 words
The composition of claim 1, wherein the 2-hydroxy-benzophenone is of the formula
Claim 5
Dependent Claim
12 words
The composition of claim 1, wherein the 2-hydroxy-benzophenone is of the formula
Claim 6
Dependent Claim
12 words
The composition of claim 1, wherein the 2-hydroxy-benzophenone is of the formula
Claim 7
Dependent Claim
12 words
The composition of claim 1, wherein the 2-hydroxy-benzophenone is of the formula
References Cited (Backward Citations)
US2419553A
Cited
US2486961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |