US2717824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for removing water-soluble stains in dry cleaning garments
Assignee: Individual
•
Filing: 1951-09-18
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Granted: 1955-09-13
•
Expires: 1971-09-18
Abstract
No abstract record available.
Inventors
- 👤 Floyd N Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:30
CPC Classifications
D; D06; D06L; D06L1/00; D06L1/02; D06L1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
THE METHOD OF DRY CLEANING A GARMENT HAVING AREAS SOILED WITH WATER SOLUBLE SOILS WHICH CONSISTS OF THE STEPS OF SUPPORTING THE GARMENT AND MAINTAINING THE NORMAL SHAPE THEREOF WHILE SUPPORTED, APPLYING TO THE AREA OF SAID GARMENT SOILED WITH WATER SOLUBLE SOILS WHILE SAID GARMENT IS SUPPORTED A SMALL AMOUNT OF COLLOIDAL DISPERSION OF AN EMULSIFYING AGENT SOLUBLE IN HYDROCARBON AND HALOGENATED HYDROCARBON DRY CLEANING SOLVENT, SAID EMULSIFYING AGENT BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF AMINE SALTS OF HIGHER FATTY ACIDS, HIGHER FATTY ACID ESTERS OF POLYDRIC ALCOHOLS, FATTY ALCOHOL SULFATES, SODIUM ALKYL BENZENE SULFONATES, AND CALCIUM SALTS OF HIGHER FATTY ACIDS, SAID COLLOIDAL DISPERSION CONSISTING OF FROM 0.3% TO 5.0% OF SAID EMULSIFYING AGENT AND THE BALANCE WATER, WHEREBY SAID WATER SOLUBLE SOIL IS DISLODGED AND SUSPENDED IN SAID WATER BY SAID EMULSIFYING AGENT, REMOVING SAID GARMENT FROM SAID SUPPORT WHEN THROUGHLY WETTED WITH SAID DISPERSION AND IMMEDIATELY THEREAFTER IMMERSING SAID GARMENT IN A DRY CLEANING SOLVENT SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON AND HALOGENATED HYDROCARBON DRY CLEANING SOLVENTS TO PREVENT SAID WATER AND WATER SOLUBLE SOIL FROM MIGRATING THROUGHOUT SAID GARMENT AND TO TRANSFER SAID WATER SOLUBLE SOIL AND SAID EMULSIFYING AGENT TO SAID DRY CLEANING SOLVENT WHEREBY WATER SOLUBLE SOIL IS REMOVED FROM SAID GARMENT WITHOUT SUBJECTING SAID GARMENT TO WET WASHING.
Claim 2
Independent Claim
220 words
THE METHOD OF DRY CLEANING A GARMENT HAVING AREAS SOILED WITH WATER SOLUBLE SOILS WHICH CONSISTS OF THE STEPS OF SUPPORTING THE GARMENT AND MAINTAINING THE NORMAL SHAPE THEREOF WHILE SUPPORTED, APPLYING TO THE AREA OF SAID GARMENT SOILED WITH WATER SOLUBLE SOILS WHILE SAID GARMENT IS SUPPORTED A SMALL AMOUNT OF COLLOIDAL DISPERSION OF AN EMULSIFYING AGENT SOLUBLE IN HYDROCARBON AND HALOGENATED HYDROCARBON DRY CLEANING SOLVENT, SAID EMULSIFYING AGENT BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF AMINE SALTS OF HIGHER FATTY ACIDS, HIGHER FATTY ACID ESTERS OF POLYDRIC ALCOHOLS, FATTY ALCOHOL SULFATES, SODIUM ALKYL BENZENE SULFONATES, AND CALCIUM SALTS OF HIGHER FATTY ACIDS, SAID COLLOIDAL DISPERSION CONSISTING OF FROM 0.3% TO 5.0% OF SAID EMULSIFYING AGENT AND THE BALANCE WATER, WHEREBY SAID WATER SOLUBLE SOIL IS DISLODGED AND SUSPENDED IN SAID WATER BY SAID EMULSIFYING AGENT, REMOVING SAID GARMENT FROM SAID SUPPORT WHEN THROUGHLY WETTED WITH SAID DISPERSION AND IMMEDIATELY THEREAFTER IMMERSING SAID GARMENT IN A DRY CLEANING SOLVENT SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON AND HALOGENATED HYDROCARBON DRY CLEANING SOLVENTS TO PREVENT SAID WATER AND WATER SOLUBLE SOIL FROM MIGRATING THROUGHOUT SAID GARMENT AND TO TRANSFER SAID WATER SOLUBLE SOIL AND SAID EMULSIFYING AGENT TO SAID DRY CLEANING SOLVENT WHEREBY WATER SOLUBLE SOIL IS REMOVED FROM SAID GARMENT WITHOUT SUBJECTING SAID GARMENT TO WET WASHING.
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) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |