Patent US5039453A successfully refreshed from Google Patents.
US5039453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent laundry bars having improved hardness and process for manufacture thereof
Assignee: Colgate Palmolive Co
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Filing: 1989-04-14
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Granted: 1991-08-13
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Expires: 2009-04-14
Abstract
Abstract Detergent laundry bars which are mild to the hands of the user, have good foaming and use up properties during hand washing of laundry and good processing characteristics preferably including a water soluble salt of an alkylbenzene sulfonate, coco fatty acid sulfate paste. Also within the invention is the process for manufacturing the detergent bars.
Inventors
- 👤 David P. Joshi
- 👤 P. Ramachandran
- 👤 Zenaida B. Soriano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:57
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/124; C11D3/1246; C11D3/128; C11D17/00; C11D17/0047; C11D17/0065; C11D17/0069; C11D3/04; C11D3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A milled, plodded detergent laundry bar consisting essentially of about 25 to 26 percent sodium alkyl benzene sulfonate, 9 to 10 percent sodium coco fatty alcohol sulfate, 1 to 5 percent sodium ion exchange zeolite, 0.4 to 0.6 percent sodium silicate 9 to 10 percent sodium pyrophosphate, 14 to 15 percent sodium carbonate 2 to 3 percent magnesium sulfate, 17 to 18 percent calcium carbonate less than 1 percent perfume and less than 2 percent other minor ingredients.
Claim 2
Dependent Claim
78 words
A milled, plodded detergent laundry bar consisting essentially of about 25 to 26 percent sodium alkyl benzene sulfonate, 9 to 10 percent sodium coco fatty alcohol sulfate, 1 to 5 percent sodium ion exchange zeolite, 0.4 to 0.6 percent sodium silicate 9 to 10 percent sodium pyrophosphate, 14 to 15 percent sodium carbonate 2 to 3 percent magnesium sulfate, 17 to 18 percent calcium carbonate less than 1 percent perfume and less than 2 percent other minor ingredients.
References Cited (Backward Citations)
US3291744A
Cited
US4414130A
Cited
US4299717A
Cited
US4587029A
Cited
US4543204A
Cited
US4705644A
Cited
US4721581A
Cited
GB2189255A
Cited
DE3640541A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-12 | 1995-02-11 | 1995-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-12 | 1999-02-11 | 1999-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-12 | 2003-02-11 | 2003-08-13 | $7700.00 | Window Closed / Lapsed |