Patent US3852220A successfully refreshed from Google Patents.
US3852220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isocyanurate-based polyelectrolyte detergent composition
Assignee: Marathon Oil Co
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Filing: 1972-01-12
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Granted: 1974-12-03
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Expires: 1992-01-12
Abstract
Abstract Detergent formulations containing isocyanurate-based polyelectrolytes in conjunction with surfactants and other conventional detergent formulation ingredients. The formulations are useful for cleaning operations, e.g., laundering and dishwashing.
Inventors
- 👤 A Kimmel
- 👤 P Argabright
- 👤 C Presley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:29
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/3726
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
41 words
AN IMPROVED DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF AT LEAST ABOUT 2 TO ABOUT 70 WEIGHT PERCENT OF A SURFAC TANT AND ABOUT 2 TO ABOUT 20 WEIGHT PERCENT OF AN ISOCYANURATE-BASED POLYEELECTROLYTE, WHEREIN SAID ISOCYANURATE,BASED POLYELECTROLYTE HAS THE FOLLOWING CHEMICAL STRUCTURE:
Claim 2
Dependent Claim
41 words
AN IMPROVED DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF AT LEAST ABOUT 2 TO ABOUT 70 WEIGHT PERCENT OF A SURFAC TANT AND ABOUT 2 TO ABOUT 20 WEIGHT PERCENT OF AN ISOCYANURATE-BASED POLYEELECTROLYTE, WHEREIN SAID ISOCYANURATE,BASED POLYELECTROLYTE HAS THE FOLLOWING CHEMICAL STRUCTURE:
Claim 3
Dependent Claim
47 words
A formulation according to claim 1 wherein X is a monovalent radical from the group consisting of alkali metal salts and quaternary ammonium groups wherein R contains from about 2 to about 18 carbon atoms and wherein R'' contains from about 1 to about 20 carbon atoms.
Claim 4
Dependent Claim
64 words
Detergent compositions comprising isocyanurate-based polyelectrolytes consisting essentially of of from about 2 to about 20 weight percent of said isocyanurate-based polyelectrolytes, together with at least one other detergent ingredient comprising from about 2 to about 70 weight percent of surfactant, about 0 to about 70 weight percent of phhosphate builder, 0 to about 40 weight percent of silicate builder, have the following chemical structure:
Claim 5
Dependent Claim
64 words
Detergent compositions comprising isocyanurate-based polyelectrolytes consisting essentially of of from about 2 to about 20 weight percent of said isocyanurate-based polyelectrolytes, together with at least one other detergent ingredient comprising from about 2 to about 70 weight percent of surfactant, about 0 to about 70 weight percent of phhosphate builder, 0 to about 40 weight percent of silicate builder, have the following chemical structure:
Claim 6
Dependent Claim
27 words
A composition according to claim 3 wherein the sequestering agent comprises 0 to about 20 percent by weight citrate based on the total weight of the formulation.
Claim 7
Dependent Claim
28 words
A composition according to claim 4 wherein the sesquestering agent comprises from about 5 to about 15 percent sodium citrate based on the weight of the total formulation.
Claim 8
Dependent Claim
40 words
A process according to claim 3 wherein the sequestrate comprises from about 5 to about 15 percent based on the weight of the total formulation, and is selected from the group consisting of sodium citrate, sodium tartrate, or sodium gluconate.
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 |