Patent US2723924A successfully refreshed from Google Patents.
US2723924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of wool-containing textile materials and products thereof
Assignee: Union Carbide Corp
•
Filing: 1953-02-03
•
Granted: 1955-11-15
•
Expires: 1973-02-03
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Mackinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:02
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/55; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2971; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2385; Y10T442/2762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
PROCESS FOR IMPROVING THE PROPERTIES OF WOOL-CON TAINING TEXTILE MATERIALS AND RENDERING THE SAME RESISTANT TO FELTING AND SHRINKAGE IN LAUNDERING, WHICH COMPRISES HEATING SAID MATERIAL IN A DILUTE AQUEOUS SOLUTION HAVING A PH WITHIN THE RANGE FROM 3 TO 6 AND CONTAINING (A) A WATER-SOLUBLE RESINOUS PRODUCT OF THE REACTION OF (1) A NEUTRAL SALT OF AN ALKYLENE POLYAMINE WITH A SATURATED ALIPHATIC MONOCARBOXYLIC ACID HAVING FROM 2 TO 5 CARBON ATOMS AND (2) AN ARYL POLYEPOXY COMPOUND OF THE CLASS CONSISTING OF THOSE HAVING THE FORMULA
Claim 2
Dependent Claim
88 words
PROCESS FOR IMPROVING THE PROPERTIES OF WOOL-CON TAINING TEXTILE MATERIALS AND RENDERING THE SAME RESISTANT TO FELTING AND SHRINKAGE IN LAUNDERING, WHICH COMPRISES HEATING SAID MATERIAL IN A DILUTE AQUEOUS SOLUTION HAVING A PH WITHIN THE RANGE FROM 3 TO 6 AND CONTAINING (A) A WATER-SOLUBLE RESINOUS PRODUCT OF THE REACTION OF (1) A NEUTRAL SALT OF AN ALKYLENE POLYAMINE WITH A SATURATED ALIPHATIC MONOCARBOXYLIC ACID HAVING FROM 2 TO 5 CARBON ATOMS AND (2) AN ARYL POLYEPOXY COMPOUND OF THE CLASS CONSISTING OF THOSE HAVING THE FORMULA
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) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |