US2876140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil resistant textile material and method of making the same
Assignee: BIBB Manufacturing Co
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Filing: 1955-06-30
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Granted: 1959-03-03
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Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Robert E Sheehan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:23
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/51; D06M11/55; D06M11/56; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23921; Y10T428/23993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A METHOD FOR IMPARTING SOIL RESISTANCE TO TEXTILE MATERIAL WHICH COMPRISES SEPARATELY IMPREGNATING THE MATERIAL WITH AN AQUEOUS SOLUTION OF A WATER SOLUBLE BARIUM COMPOUND AND AN AQUEOUS SOLUTION OF A WATER SOLUBLE SULFATE, SAID SOLUTIONS BEING APPLIED IN ANY DESIRED SEQUENCE, WHEREBY AT LEAST ABOUT 2% BARIUM SULFATE BY WEIGHT OF THE MATERIAL IS DEPOSITED IN THE MATERIAL, IMPREGNATING THE MATERIAL WITH A HIGHER FATTY ACID AMIDE SOFTENING AGENT IN AQUEOUS SOLUTION, SAID SOFTENING AGENT BEING SELECTED FROM THE GROUP CONSISTING OF CATIONIC COMPOUNDS AND POTENTIALLY CATIONIC COMPOUNDS WHICH FORM CATIONIC ACID SALTS UPON ACIDIFICATION AND SODIUM CARBOXYMETHYL CELLULOSE IN AQUEOUS SOLUTION, EXHAUSTING THE SOFTENING AGENT AND CARBOXYMETHYL CELLULOSE ONTO THE MATERIAL BY ADDING AN ACID SALT IN SUFFICIENT AMOUNT OF REDUCE THE PH OF THE SOLUTION TO ABOUT 6.5 TO 7.0 AND THEN ADDING AN ORGANIC ACID IN SUFFICIENT AMOUNT TO FURTHER REDUCE THE PH TO ABOUT 6.0 TO 6.5 SAID SOFTENING AGENT BEING INTRODUCED INTO THE MATERIAL IN AN AMOUNT COMPRISING AT LEAST ABOUT 0.1% OF WEIGHT OF THE MATERIAL AND SAID CARBOXYMETHYL CELLULOSE BEING INTRODUCED INTO THE MATERIAL IN AN AMOUNT COMPRISING AT LEAST ABOUT 0.1% BY WEIGHT OF THE MATERIAL, AND THEN DRYING THE MATERIAL.
Claim 2
Independent Claim
200 words
A METHOD FOR IMPARTING SOIL RESISTANCE TO TEXTILE MATERIAL WHICH COMPRISES SEPARATELY IMPREGNATING THE MATERIAL WITH AN AQUEOUS SOLUTION OF A WATER SOLUBLE BARIUM COMPOUND AND AN AQUEOUS SOLUTION OF A WATER SOLUBLE SULFATE, SAID SOLUTIONS BEING APPLIED IN ANY DESIRED SEQUENCE, WHEREBY AT LEAST ABOUT 2% BARIUM SULFATE BY WEIGHT OF THE MATERIAL IS DEPOSITED IN THE MATERIAL, IMPREGNATING THE MATERIAL WITH A HIGHER FATTY ACID AMIDE SOFTENING AGENT IN AQUEOUS SOLUTION, SAID SOFTENING AGENT BEING SELECTED FROM THE GROUP CONSISTING OF CATIONIC COMPOUNDS AND POTENTIALLY CATIONIC COMPOUNDS WHICH FORM CATIONIC ACID SALTS UPON ACIDIFICATION AND SODIUM CARBOXYMETHYL CELLULOSE IN AQUEOUS SOLUTION, EXHAUSTING THE SOFTENING AGENT AND CARBOXYMETHYL CELLULOSE ONTO THE MATERIAL BY ADDING AN ACID SALT IN SUFFICIENT AMOUNT OF REDUCE THE PH OF THE SOLUTION TO ABOUT 6.5 TO 7.0 AND THEN ADDING AN ORGANIC ACID IN SUFFICIENT AMOUNT TO FURTHER REDUCE THE PH TO ABOUT 6.0 TO 6.5 SAID SOFTENING AGENT BEING INTRODUCED INTO THE MATERIAL IN AN AMOUNT COMPRISING AT LEAST ABOUT 0.1% OF WEIGHT OF THE MATERIAL AND SAID CARBOXYMETHYL CELLULOSE BEING INTRODUCED INTO THE MATERIAL IN AN AMOUNT COMPRISING AT LEAST ABOUT 0.1% BY WEIGHT OF THE MATERIAL, AND THEN DRYING THE MATERIAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |