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US3849341A Expired / Lapsed US ⏱️ 0.0 years remaining

Ester-linked derivatives of carbohydrates as builders for detergent compositions

Assignee: Lever Brothers Co
•
Filing: 1972-02-01
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Granted: 1974-11-19
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Expires: 1992-02-01
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Abstract

Abstract 1. A DETERGENT COMPOSITION COMPRISING: (A) AT LEAST ONE DETERGENT SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC, NONIONIC, ZWITTERIONIC AND AMPHOLYTIC AGENTS; (B) AN ORGANIC BIODEGRADABLE DETERGENT BUILDER COMPRISING A WATER SOLUBLE SALT OF AN ESTER-LINKED CARBOXYL DERIVATIVE OF A POLYSACCHARIDE, SELECTED FROM THE GROUP CONSISTING OF STARCH MALEATE, STARCH SUCCINATE, STARCH PHTHALATE, STARCH GLUTARATE, STARCH CITRACONATE, STARCH ITACONATE, STARCH DIGLYCOLATE AND STARCH DILACTATE WHEREIN THE D.S. VALUE RANGES FROM ABOUT 0.5-3 AND WHEREIN SAID BUILDER REPRESENTS FROM ABOUT 20% TO ABOUT 60% OF THE TOTAL WEIGHT OF THE DETERGENT COMPOSITION AND THE WEIGHT RATIO OF BUILDER TO SURFACTANT IS FROM ABOUT 1:10 TO ABOUT 50:1.

Inventors

  • 👤 V Lamberti

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 00:59
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222; C11D3/226; C07; C07H; C07H15/00; C07H15/02; C07H15/04; C08; C08B; C08B3/00; C08B3/12; C08B3/14; C08B31/00; C08B31/02; C08B31/04; C08B37/00; C11D3/221

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 108 words
A DETERGENT COMPOSITION COMPRISING: (A) AT LEAST ONE DETERGENT SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC, NONIONIC, ZWITTERIONIC AND AMPHOLYTIC AGENTS; (B) AN ORGANIC BIODEGRADABLE DETERGENT BUILDER COMPRISING A WATER SOLUBLE SALT OF AN ESTER-LINKED CARBOXYL DERIVATIVE OF A POLYSACCHARIDE, SELECTED FROM THE GROUP CONSISTING OF STARCH MALEATE, STARCH SUCCINATE, STARCH PHTHALATE, STARCH GLUTARATE, STARCH CITRACONATE, STARCH ITACONATE, STARCH DIGLYCOLATE AND STARCH DILACTATE WHEREIN THE D.S. VALUE RANGES FROM ABOUT 0.5-3 AND WHEREIN SAID BUILDER REPRESENTS FROM ABOUT 20% TO ABOUT 60% OF THE TOTAL WEIGHT OF THE DETERGENT COMPOSITION AND THE WEIGHT RATIO OF BUILDER TO SURFACTANT IS FROM ABOUT 1:10 TO ABOUT 50:1.
Claim 2
Dependent Claim 108 words
A DETERGENT COMPOSITION COMPRISING: (A) AT LEAST ONE DETERGENT SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC, NONIONIC, ZWITTERIONIC AND AMPHOLYTIC AGENTS; (B) AN ORGANIC BIODEGRADABLE DETERGENT BUILDER COMPRISING A WATER SOLUBLE SALT OF AN ESTER-LINKED CARBOXYL DERIVATIVE OF A POLYSACCHARIDE, SELECTED FROM THE GROUP CONSISTING OF STARCH MALEATE, STARCH SUCCINATE, STARCH PHTHALATE, STARCH GLUTARATE, STARCH CITRACONATE, STARCH ITACONATE, STARCH DIGLYCOLATE AND STARCH DILACTATE WHEREIN THE D.S. VALUE RANGES FROM ABOUT 0.5-3 AND WHEREIN SAID BUILDER REPRESENTS FROM ABOUT 20% TO ABOUT 60% OF THE TOTAL WEIGHT OF THE DETERGENT COMPOSITION AND THE WEIGHT RATIO OF BUILDER TO SURFACTANT IS FROM ABOUT 1:10 TO ABOUT 50:1.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-18 1978-05-20 1978-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-18 1982-05-20 1982-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-18 1986-05-20 1986-11-19 $7700.00 Window Closed / Lapsed

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