US3380927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broad spectrum surface active agent and method of making the same
Assignee: Dexter Chemical Corp
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Filing: 1963-10-03
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Granted: 1968-04-30
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Expires: 1983-10-03
Abstract
No abstract record available.
Inventors
- 👤 Sidney M Edelstein
- 👤 Welles Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:54
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/07
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
202 words
A SURFACE ACTIVE AGENT CONSISTING ESSENTIALLY OF A CO-ESTER OF (1) A PHOSPHOROUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHOSPHOROUS PENTOXIDE, ORTHOPHOSPHORIC ACID AND POLYPHOSPHORIC ACID, (2) AN ALIPHATIC MONOHYDRIC ALCOHOL CONTAINING FROM 6 TO 16 CARBON ATOMS AND (3) A NONIONIC ADDUCT OF ETHYLENE OXIDE AND AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYLATED PHENOLS CONTAINING AT LEAST ONE ALKYL GROUP OF 6 TO 18 CARBON ATOMS, ALIPHATIC ALCOHOLS CONTAINING FROM 6 TO 25 CARBON ATOMS, ALIPHATIC MONOCARBOXYLIC ACIDS CONTAINING FROM 6 TO 20 CARBON ATOMS, ALIPHATIC AMINES CONTAINING 6 TO 20 CARBON ATOMS, AND ALIPHATIC MERCAPTANS CONTAINING 6 TO 20 CARBON ATOMS, SAID NONIONIC ADDUCT (3) CONTAINING FROM 1 TO 40 MOLS OF ETHYLENE OXIDE PER MOL OF SAID ORGANIC COMPOUND, AND BEING PRESENT IN THE WEIGHT PROPORTIONS OF ABOUT 5 TO 85 PARTS PER 100 PARTS COMBINED OF SAID NONIONIC ADDUCT (3) AND SAID ALIPHATIC MONOHYDRIC ALCOHOL (2), AND THE MOLAR RATIO OF THE TOTAL NUMBER OF MOLS COMBINED OF SAID ALIPHATIC MONOHYDRIC ALCOHOL (2) AND OF SAID NONIONIC ADDUCT (3) TO THE TOTAL NUMBER OF MOLS OF SAID PHOSPHOROUS COMPOUND (1), CALCULATED AS PHOSPHOROUS PENTOXIDE, BEING WITHIN THE RANGE FROM ABOUT 1:1 TO ABOUT 5:1.
Claim 2
Dependent Claim
202 words
A SURFACE ACTIVE AGENT CONSISTING ESSENTIALLY OF A CO-ESTER OF (1) A PHOSPHOROUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHOSPHOROUS PENTOXIDE, ORTHOPHOSPHORIC ACID AND POLYPHOSPHORIC ACID, (2) AN ALIPHATIC MONOHYDRIC ALCOHOL CONTAINING FROM 6 TO 16 CARBON ATOMS AND (3) A NONIONIC ADDUCT OF ETHYLENE OXIDE AND AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKYLATED PHENOLS CONTAINING AT LEAST ONE ALKYL GROUP OF 6 TO 18 CARBON ATOMS, ALIPHATIC ALCOHOLS CONTAINING FROM 6 TO 25 CARBON ATOMS, ALIPHATIC MONOCARBOXYLIC ACIDS CONTAINING FROM 6 TO 20 CARBON ATOMS, ALIPHATIC AMINES CONTAINING 6 TO 20 CARBON ATOMS, AND ALIPHATIC MERCAPTANS CONTAINING 6 TO 20 CARBON ATOMS, SAID NONIONIC ADDUCT (3) CONTAINING FROM 1 TO 40 MOLS OF ETHYLENE OXIDE PER MOL OF SAID ORGANIC COMPOUND, AND BEING PRESENT IN THE WEIGHT PROPORTIONS OF ABOUT 5 TO 85 PARTS PER 100 PARTS COMBINED OF SAID NONIONIC ADDUCT (3) AND SAID ALIPHATIC MONOHYDRIC ALCOHOL (2), AND THE MOLAR RATIO OF THE TOTAL NUMBER OF MOLS COMBINED OF SAID ALIPHATIC MONOHYDRIC ALCOHOL (2) AND OF SAID NONIONIC ADDUCT (3) TO THE TOTAL NUMBER OF MOLS OF SAID PHOSPHOROUS COMPOUND (1), CALCULATED AS PHOSPHOROUS PENTOXIDE, BEING WITHIN THE RANGE FROM ABOUT 1:1 TO ABOUT 5:1.
Claim 3
Dependent Claim
27 words
A STABLE DISPERSION OF FINELY-DIVIDED INSOLUBLE MATERIAL DISPERSED IN A LIQUID MEDIUM, SAID LIQUID MEDIUM CONTAINING A DISPERSING AMOUNT OF THE SURFACE ACTIVE AGENT OF 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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |