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US2976211A Expired / Lapsed US ⏱️ 0.0 years remaining

Dispersant compositions and toxicant concentrates containing the same

Assignee: Witco Corp
•
Filing: 1958-02-21
•
Granted: 1961-03-21
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Expires: 1978-02-21
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Abstract

No abstract record available.

Inventors

  • 👤 Paul L Lindner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 00:24
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/30; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 59 words
A DISPERSANT COMPOSITION, HAVING THE PROPERTY OF BEING SOLUBLE IN ORGANIC SOLVENT SOLUTIONS OF WATER-INSOLUBLE BIOCIDAL TOXICANTS, COMPRISING (A) A COMPOUND IN THE FORM OF A SULFOPOLYCARBOXYLIC ACID AMIDE OF A HIGHER MOLECULAR WEIGHT AMINE IN WHICH THE AMINE CONTAINS A HYDROCARBON RADICAL HAVING FROM 12 TO 26 CARBON ATOMS, THE SULFOPOLYCARBOXYLIC ACID RADICAL BEING REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim 59 words
A DISPERSANT COMPOSITION, HAVING THE PROPERTY OF BEING SOLUBLE IN ORGANIC SOLVENT SOLUTIONS OF WATER-INSOLUBLE BIOCIDAL TOXICANTS, COMPRISING (A) A COMPOUND IN THE FORM OF A SULFOPOLYCARBOXYLIC ACID AMIDE OF A HIGHER MOLECULAR WEIGHT AMINE IN WHICH THE AMINE CONTAINS A HYDROCARBON RADICAL HAVING FROM 12 TO 26 CARBON ATOMS, THE SULFOPOLYCARBOXYLIC ACID RADICAL BEING REPRESENTED BY THE FORMULA

References Cited (Backward Citations)

US2198806A Cited
US2251940A Cited
US2239720A Cited
US2322783A Cited
US2731338A Cited
US2776987A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-03-20 1964-09-19 1965-03-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-03-20 1968-09-19 1969-03-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-03-20 1972-09-19 1973-03-21 $7700.00 Window Closed / Lapsed

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