Patent US3178309A successfully refreshed from Google Patents.
US3178309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of wool and nylon to improve their resistance to abrasion
Assignee: Individual
•
Filing: 1960-05-18
•
Granted: 1965-04-13
•
Expires: 1980-05-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur J I Harding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:08
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/53; D06M13/00; D06M13/244; D06M13/248; D06M13/256; D06M15/39; D06M15/41; D06M15/412; D06M15/643; D06M15/647; Y; Y10; Y10S; Y10S8/00; Y10S8/21; Y10S8/916; Y10S8/917; Y10S8/92; Y10S8/924; Y10T; Y10T442/00; Y10T442/20; Y10T442/2762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS COMPRISING TREATING A TEXTILE MATERIAL CONTAINING AT LEAST SOME FIBERS SELECTED FROM THE GROUP CONSISTING OF NYLON AND WOOL AND MIXTURES THEREOF WITH AN AUQEOUS LIQUID, AT A PH OF BETWEEN 2 AND 5, CONTAINING (1) AT LEAST 0.5% BY WEIGHT, CALCULATED ON THE WEIGHT OF THE TEXTILE MATERIAL BEING TREATED, OF A FIRST COMPOUND SELECTED FROM THE GROUP CONSISTING OF A WATER-SOLUBLE CONDENSATION PRODUCT OF AN AROMATIC SULFINIC-ACID AND FORMALDEHYDE AND A WATER-SOLUBLE SALT OF THE CONDENSATION PRODUCT, AND (2) AT LEAST 1% BY WEIGHT, CALCULATED ON THE WEIGHT OF THE TEXTILE MATERIAL BEING TREATED, OF A NONIONIC DISPERSING AGENT, AT A TEMPERATURE BETWEEN 150*F. AND THE BOILING POINT OF THE LIQUID.
Claim 2
Dependent Claim
115 words
A PROCESS COMPRISING TREATING A TEXTILE MATERIAL CONTAINING AT LEAST SOME FIBERS SELECTED FROM THE GROUP CONSISTING OF NYLON AND WOOL AND MIXTURES THEREOF WITH AN AUQEOUS LIQUID, AT A PH OF BETWEEN 2 AND 5, CONTAINING (1) AT LEAST 0.5% BY WEIGHT, CALCULATED ON THE WEIGHT OF THE TEXTILE MATERIAL BEING TREATED, OF A FIRST COMPOUND SELECTED FROM THE GROUP CONSISTING OF A WATER-SOLUBLE CONDENSATION PRODUCT OF AN AROMATIC SULFINIC-ACID AND FORMALDEHYDE AND A WATER-SOLUBLE SALT OF THE CONDENSATION PRODUCT, AND (2) AT LEAST 1% BY WEIGHT, CALCULATED ON THE WEIGHT OF THE TEXTILE MATERIAL BEING TREATED, OF A NONIONIC DISPERSING AGENT, AT A TEMPERATURE BETWEEN 150*F. AND THE BOILING POINT OF THE LIQUID.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |