US3715314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scouring cleanser composition
Assignee: Procter and Gamble Co
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Filing: 1972-05-25
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Granted: 1973-02-06
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Expires: 1992-05-25
Abstract
Abstract An abrasive scouring cleanser composition consisting essentially of a water-insoluble siliceous abrasive material; an alkali metal carbonate; a water-soluble organic detergent; and calcium oxide or hydroxide. Compositions exhibiting desirable cleansing and scouring properties and effective in the removal of smears or deposits of soft metals such as aluminum or porcelain or ceramic surfaces are described.
Inventors
- 👤 A Morgenstern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:57
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/1213; C11D3/04; C11D3/10; C11D3/124
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
75 words
An abrasive scouring cleanser composition consisting essentially of from 60 to 95 percent by weight of a water-insoluble siliceous abrasive; from 0.1 to 10 percent by weight of a water-soluble organic detergent; and alkali metal carbonate detergency builder salt; and a calcium compound selected from the group consisting of calcium oxide, calcium hydroxide and mixtures thereof; the weight ratio of the calcium compound to the alkali metal carbonate builder salt being from 0.01:1 to 0.4:1.
Claim 2
Dependent Claim
75 words
An abrasive scouring cleanser composition consisting essentially of from 60 to 95 percent by weight of a water-insoluble siliceous abrasive; from 0.1 to 10 percent by weight of a water-soluble organic detergent; and alkali metal carbonate detergency builder salt; and a calcium compound selected from the group consisting of calcium oxide, calcium hydroxide and mixtures thereof; the weight ratio of the calcium compound to the alkali metal carbonate builder salt being from 0.01:1 to 0.4:1.
Claim 3
Dependent Claim
24 words
The abrasive scouring cleanser composition of claim 1 wherein the water-insoluble siliceous abrasive has a particle size less than about 0.3 mm. in diameter.
Claim 4
Dependent Claim
28 words
The abrasive scouring cleanser composition of claim 2 wherein the water-insoluble siliceous abrasive is present in an amount of from about 80 to about 90 percent by weight.
Claim 5
Dependent Claim
19 words
The abrasive scouring cleanser composition of claim 1 wherein the water-soluble organic detergent is a water-soluble synthetic anionic detergent.
Claim 6
Dependent Claim
33 words
The abrasive scouring cleanser composition of claim 4 wherein the water-soluble synthetic anionic detergent is an alkylbenzene sulfonate and is present in an amount of from 1 percent to 4 percent by weight.
Claim 7
Dependent Claim
25 words
The abrasive scouring cleanser composition of claim 1 wherein calcium compound is calcium oxide and the alkali metal carbonate detergency builder salt is sodium carbonate.
Claim 8
Dependent Claim
23 words
The abrasive scouring cleanser composition of claim 6 wherein the weight ratio of calcium oxide to sodium carbonate ranges from 0.02:1 to 0.3:1.
Claim 9
Dependent Claim
23 words
The abrasive scouring cleanser composition of claim 1 wherein the calcium compound is calcium hydroxide and the alkali metal carbonate is sodium carbonate.
Claim 10
Dependent Claim
23 words
The abrasive scouring cleanser composition of claim 8 wherein the weight ratio of calcium hydroxide to sodium carbonate ranges from 0.02:1 to 0.3:1.
Claim 11
Dependent Claim
34 words
The abrasive scouring cleanser composition of claim 1 wherein the calcium compound is lime, the alkali metal carbonate is sodium carbonate and the ratio of lime to sodium carbonate ranges from 0.02:1 to 0.3:1.
Claim 12
Dependent Claim
51 words
The abrasive scouring cleanser composition of claim 1 wherein the alkali metal carbonate is sodium carbonate and is present in an amount of from 8 percent to 14 percent; and the calcium compound is calcium oxide or hydroxide and is present in an amount of from 0.3 percent to 1 percent.
References Cited (Backward Citations)
US3382182A
Cited
US3458446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |