US3764544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot remover for wearing apparel
Assignee: Individual
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Filing: 1971-08-06
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Granted: 1973-10-09
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Expires: 1991-08-06
Abstract
Abstract A cleansing solution for removing spots from cloth and the like comprising the following ingredients: A DETERGENT OF POLYETHYLENE GLYCOL ETHERS SUCH AS Union Carbide 15-5-9, a 9 mole ethylene oxide adduct of a secondary alcohol in the range of 10-30 percent by volume; AN ACETATE SOLVENT OF THE GROUP INCLUDING AMYL ACETATE, ETHYL ACETATE, HEXYL ACETATE AND BUTYL ACETATE IN THE RANGE OF 10-30 PERCENT BY VOLUME; A SUITABLE COUPLING AGENT FOR STABILITY AND AS A CLARIFIER, SUCH AS A GLYCOL ETHER SOLVENT, FOR EXAMPLE, Dowanol EB, in the range of 2 1/2 -10 percent by volume; and WATER IN THE RANGE OF 30-80 PERCENT BY VOLUME.
Inventors
- 👤 L Haworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:48
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/43
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
106 words
A spot remover for wearing apparel and the like consisting essentially of: an ethoxylated alkyl phenol of a carbon range of C8 - C17 with ethylene oxide adduct of 7 - 15 moles ETO, said ethoxylated alkyl phenol being of the range 10 - 30 percent by volume for removing a spot from wearing apparel, an ester solvent of the group comprising an amyl acetate, ethyl acetate, butyl acetate and hexyl acetate of the range 10 - 30 percent by volume for removing a spot from wearing apparel; and water of the range 30 - 80 percent by volume for removing a spot from wearing apparel.
Claim 2
Dependent Claim
45 words
A spot remover as claimed in claim 1 wherein a coupling agent is provided for stability and clarification of the range 2 1/2 - 10 percent by volume, said coupling agent being of the group comprising, ethyl alcohol, propyl alcohol, methyl alcohol and butyl alcohol.
Claim 3
Dependent Claim
45 words
A spot remover as claimed in claim 2 wherein a coupling agent is provided for stability and clarification of the range 2 1/2 - 10 percent by volume, said coupling agent being of the group comprising, ethyl alcohol, propyl alcohol, methol alcohol and butyl alcohol.
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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |