Patent US3852471A successfully refreshed from Google Patents.
US3852471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synergistic microbiocidal composition employing certain phenols and a benzyl alcohol
Assignee: Bayer AG
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Filing: 1970-10-02
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Granted: 1974-12-03
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Expires: 1990-10-02
Abstract
Abstract Synergistic combination of reaction products of benzyl alcohols, optionally substituted in the phenyl radical by alkyl, halogen or halolakyl, and 1 to 2 molar equivalents of formaldehyde, with phenols optionally substituted in the phenyl ring by alkyl, phenyl, benzyl, halohydroxybenzyl and/or halogen, which possesses synergistic microbicidal properties especially as bactericides and fungicides.
Inventors
- 👤 W Paulus
- 👤 O Pauli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:48
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; A; A01; A01N; A01N35/00; A01N35/02; C10; C10M; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/023; C10M2209/00; C10M2209/10; C10M2209/101; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2213/00; C10M2213/04; C10M2213/06; C10N; C10N2040/00; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
90 words
A SYNERGISTIC BACTERICIDAL, MOLD FUNGICIDAL AND YEASTICIDAL AGENT WHICH COMPRISES A MIXTURE CONTAINING (1) THE PRODUCT PRODUCED BY HEATING A BENZYL ALCOHOL SELECTED FROM THE GROUP CONSISTING OF BENZYL ALCOHOL, 3,4-DICHLOROBENZYL ALCOHOL AND 0-TOLYL ALCOHOL AND ABOUT 1 TO 2 TIMES THE MOLAR AMOUNT OF FORMALDEHYDE IN THE PRESENCE OF A BASIC CATALYST, AND (2) A PHENOL SELECTED FROM THE GROUP CONSISTING OF 2-PHENYL-PHENOL, PENTACHLOROPHENOL, 4-CHLORO-3,5-DIMETHYL-PHENYL, 2,2-DIHYDROXY-5,5''-DICHLORO-DIPHENYLMETHANE, 3-METHYL-4-CHLOROPHENOL, 2,4,6-TRIBROMO-PHENOL, 2-BENZYL-4-CHLORO-PHENOL AND 2,4,5-TRICHLORO-PHENOL, THE BENZYL ALCOHOL-FORMALDEHYDE REACTION PRODUCT BEING PRESENT IN ABOUT 3 TO 5 TIMES THE WEIGHT OF THE PHENOL.
Claim 2
Dependent Claim
90 words
A SYNERGISTIC BACTERICIDAL, MOLD FUNGICIDAL AND YEASTICIDAL AGENT WHICH COMPRISES A MIXTURE CONTAINING (1) THE PRODUCT PRODUCED BY HEATING A BENZYL ALCOHOL SELECTED FROM THE GROUP CONSISTING OF BENZYL ALCOHOL, 3,4-DICHLOROBENZYL ALCOHOL AND 0-TOLYL ALCOHOL AND ABOUT 1 TO 2 TIMES THE MOLAR AMOUNT OF FORMALDEHYDE IN THE PRESENCE OF A BASIC CATALYST, AND (2) A PHENOL SELECTED FROM THE GROUP CONSISTING OF 2-PHENYL-PHENOL, PENTACHLOROPHENOL, 4-CHLORO-3,5-DIMETHYL-PHENYL, 2,2-DIHYDROXY-5,5''-DICHLORO-DIPHENYLMETHANE, 3-METHYL-4-CHLOROPHENOL, 2,4,6-TRIBROMO-PHENOL, 2-BENZYL-4-CHLORO-PHENOL AND 2,4,5-TRICHLORO-PHENOL, THE BENZYL ALCOHOL-FORMALDEHYDE REACTION PRODUCT BEING PRESENT IN ABOUT 3 TO 5 TIMES THE WEIGHT OF THE PHENOL.
Claim 3
Dependent Claim
11 words
The composition according to claim 1 in admixture with a diluent.
Claim 4
Dependent Claim
16 words
The composition according to claim 2 containing 0.01 to 0.5% by weight of the synergistic agent.
Claim 5
Dependent Claim
33 words
A method of combating bacteria, mold fungi and yeasts which comprises applying thereto or to a habitat thereof a bactericidally, mold fungicidally or yeasticidally effective amount of an agent according to claim 1.
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) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |