Patent US3809945A successfully refreshed from Google Patents.
Patent US3779940A successfully refreshed from Google Patents.
US3779940A
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Polyisocyanuric acid emulsifying agents and derivatives
Assignee: Marathon Oil Co
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Filing: 1972-02-09
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Granted: 1973-12-18
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Expires: 1992-02-09
Abstract
Abstract A mixture of molecules containing all of the following groups exhibit surface activity: isocyanurate, hydrogen-substituted isocyanurate, metal substituted isocyanurate, and at least one group selected from the class consisting of a monovalent organic radical selected from the following: isocyanate urethane (NHCO2R''), urea (-NHCONHR''), amino (-NH2, -NHR'', or -NR2'').
Inventors
- 👤 P Argabright
- 👤 C Presley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:57
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/0622; C08G73/0638; C08G73/0644; C08G18/00; C08G18/06; C08G18/83; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/07; Y10S516/905; Y10S516/914
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
18 words
A composition according to claim 1 wherein R is selected from the group of organic radicals shown below:
Claim 2
Dependent Claim
41 words
Compositions according to claim 1 wherein X is selected from the group consisting of hydrogen, quaternary ammonium radicals and metal radicals selected from the following groups of the Periodic Table; Ia, Ib, IIa, IIb, IIIa, IIIb, IVa, IVb, Va, Vb, VIa
Claim 3
Dependent Claim
60 words
Compositions according to claim 1 wherein M is a positive integer from 0 to about 200, wherein Q is a positive integer from 3 to about 100, and N-Q is from 2 to about 100, and wherein 2M+N+1 is a positive integer from 4 to about 140, and wherein M+2 is a positive integer from about 2 to about 200.
Claim 4
Dependent Claim
20 words
Compositions according to claim 1 wherein R is selected from the group of organic radicals shown in the structure below:
Claim 5
Dependent Claim
27 words
A composition according to claim 1 wherein R'' contains from one to 10 carbon atoms and is selected from the group consisting of -CH3, -C2H5, -C3H7, i-C3H7,
Claim 6
Dependent Claim
14 words
An emulsion comprising both water and at least one composition according to claim 1.
References Cited (Backward Citations)
US3573259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |