US4124542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot cleaning composition for carpets and the like
Assignee: OUTRIGHT INDUSTRIES Inc A CORP OF NV
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Filing: 1977-08-25
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Granted: 1978-11-07
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Expires: 1997-08-25
Abstract
Abstract A cleaning composition especially useful for carpet cleaning and spotting is provided which gives results heretofore unobtainable with prior compositions. The composition hereof is capable of removing a virtually unlimited variety of carpet stains and the like which have heretofore required a large number of specialized cleaning agents. The composition preferably includes respective amounts of ammonium lauryl sulfate 2-butoxyethanol, mineral spirits, isopropanol, sodium ethylenediaminetetraacetic acid and an optical brightening agent.
Inventors
- 👤 Michael J. Devine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:35
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/43; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/146; C11D3/0005; C11D3/0031
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
68 words
An aqueous carpet cleaning composition having active ingredients dispersed in water, said active ingredients comprising on a volume basis: from about 6 to 10 parts of ammonium lauryl sulfate; from about 0.5 to 5 parts of a loweralkoxymonohydricloweralcohol; from about 0.25 to 3 parts of mineral spirits; from about 0.01 to 0.5 parts of a lowermonohydricalcohol; and a minor amount of an alkali metal salt of ethylenediaminetetraacetic acid.
Claim 2
Dependent Claim
68 words
An aqueous carpet cleaning composition having active ingredients dispersed in water, said active ingredients comprising on a volume basis: from about 6 to 10 parts of ammonium lauryl sulfate; from about 0.5 to 5 parts of a loweralkoxymonohydricloweralcohol; from about 0.25 to 3 parts of mineral spirits; from about 0.01 to 0.5 parts of a lowermonohydricalcohol; and a minor amount of an alkali metal salt of ethylenediaminetetraacetic acid.
Claim 3
Dependent Claim
16 words
The carpet cleaning composition of claim 1 wherein said active ingredients also include an optical brightener.
Claim 4
Dependent Claim
12 words
The carpet cleaning composition of claim 1 wherein said loweralkoxymonohydricloweralcohol is 2-butoxyethanol.
Claim 5
Dependent Claim
12 words
The carpet cleaning composition of claim 1 wherein said lowermonohydricalcohol is isopropanol.
Claim 6
Dependent Claim
14 words
The carpet cleaning composition of claim 1 wherein said salt is sodium ethylenediaminetetraacetic acid.
Claim 7
Dependent Claim
56 words
The carpet cleaning composition of claim 1 wherein, for a 5 gallon batch, said active ingredients comprise on a volume basis: about 1 gallon of ammonium lauryl sulfate; about 1 quart of 2-butoxyethanol; about 11/3pints of mineral spirits; about 1 ounce of isopropanol; about 1/2 ounce of sodium ethylenediaminetetraacetic acid; and about 1/8 ounce of aminocoumarin.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-11-06 | 1982-05-08 | 1982-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-06 | 1986-05-08 | 1986-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-06 | 1990-05-08 | 1990-11-07 | $7700.00 | Window Closed / Lapsed |