US3919429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersing and wetting agents for use in organic biocides
Assignee: Hoechst AG
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Filing: 1973-01-12
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Granted: 1975-11-11
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Expires: 1993-01-12
Abstract
Abstract Sulfuric acid semi-esters of oxalkylated polynuclear alkylphenols of the formula IN WHICH -(OX)- stands for an oxyalkylene radical, R1 for an alkyl radical, X for hydrogen or SO3Me, Me being hydrogen, ammonium, an alkali or alkaline earth metal, n and m for an integer of about 2 to 25 and z for an integer of 1 to about 9, and their use as dispersing and wetting agents for waterinsoluble organic biocidal compositions.
Inventors
- 👤 Max Grossmann
- 👤 Ruth Faber
- 👤 Heinz Uhrig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:55
CPC Classifications
C; C07; C07C; C07C305/00; C07C305/02; C07C305/04; C07C305/10; A; A01; A01N; A01N25/00; A01N25/30
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
29 words
A DISPERSIBLE CONCENTRATE OR A WATER-INSOLUBLE ORGANIC BIOCIDAL SUBSTANCE, WHICH COMPRISES, AS DISPERSING AND WETTING AGENT, A SULFURIC ACID SEMI-ESTER OF AN OXYALKYLATED POLYNUCLEAR ALKYLPHENOL OF THE FORMULA I
Claim 2
Dependent Claim
29 words
A DISPERSIBLE CONCENTRATE OR A WATER-INSOLUBLE ORGANIC BIOCIDAL SUBSTANCE, WHICH COMPRISES, AS DISPERSING AND WETTING AGENT, A SULFURIC ACID SEMI-ESTER OF AN OXYALKYLATED POLYNUCLEAR ALKYLPHENOL OF THE FORMULA I
Claim 3
Dependent Claim
20 words
The dispersible concentrate as claimed in claim 1, wherein said dispersing and wetting agent is a compound of the formula
Claim 4
Dependent Claim
20 words
The dispersible concentrate as claimed in claim 1, wherein said dispersing and wetting agent is a compound of the formula
Claim 5
Dependent Claim
20 words
The dispersible concentrate as claimed in claim 1, wherein said dispersing and wetting agent is a compound of the formula
References Cited (Backward Citations)
US2828334A
Cited
US3697573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |