US3060550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of polyamides
Assignee: Akzona Inc
•
Filing: 1959-03-27
•
Granted: 1962-10-30
•
Expires: 1979-03-27
Abstract
No abstract record available.
Inventors
- 👤 Robert D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:34
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/07; D06M11/11; D06M11/155; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR IMPROVING THE PROPERTIES OF NYLON FILAMENTS AND YARNS WHICH COMPRISES TREATING SAID FILAMENTS AND YARNS WITH AN AQUEOUS SOLUTION CONTAINING 1 TO 2% OF HYDROCHLORIC ACID AND 0.1 TO 10% OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYL ALCOHOL, N-PROPANOL, ISOPROPANOL, ALLYL ALCOHOL, ETHYLENE GLYCOL, DIETHYLENE GLYCOL, TRIETHYLENE GLYCOL, ISOBUTYLENE GLYCOL, ETHYLENE GLYCOL MONOMENTHYL ETHER, ETHYLENE GLYCOL MONOETHYL ETHER, PENTAERYTHRITOL, FORMIC ACID, BUTYRIC ACID, CHLOROACETIC ACID, DICHLOROACETIC ACID, TRICHLORACETIC ACID, AND ACETIC ACID, FOR A PERIOD OF TIME SUFFICIENT TO IMPART SNAG RESISTANCE THERETO, WASHING SAID FILAMENTS AND YARNS TO REMOVE SAID AQUEOUS SOLUTION AND KNITTING SAID FILAMENTS AND YARNS INTO A TEXTILE FABRIC.
Claim 2
Dependent Claim
110 words
A PROCESS FOR IMPROVING THE PROPERTIES OF NYLON FILAMENTS AND YARNS WHICH COMPRISES TREATING SAID FILAMENTS AND YARNS WITH AN AQUEOUS SOLUTION CONTAINING 1 TO 2% OF HYDROCHLORIC ACID AND 0.1 TO 10% OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYL ALCOHOL, N-PROPANOL, ISOPROPANOL, ALLYL ALCOHOL, ETHYLENE GLYCOL, DIETHYLENE GLYCOL, TRIETHYLENE GLYCOL, ISOBUTYLENE GLYCOL, ETHYLENE GLYCOL MONOMENTHYL ETHER, ETHYLENE GLYCOL MONOETHYL ETHER, PENTAERYTHRITOL, FORMIC ACID, BUTYRIC ACID, CHLOROACETIC ACID, DICHLOROACETIC ACID, TRICHLORACETIC ACID, AND ACETIC ACID, FOR A PERIOD OF TIME SUFFICIENT TO IMPART SNAG RESISTANCE THERETO, WASHING SAID FILAMENTS AND YARNS TO REMOVE SAID AQUEOUS SOLUTION AND KNITTING SAID FILAMENTS AND YARNS INTO A TEXTILE FABRIC.
References Cited (Backward Citations)
CA479262A
Cited
US2734001A
Cited
GB555490A
Cited
GB568092A
Cited
US2480775A
Cited
FR1060059A
Cited
US2730479A
Cited
US2889611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |