US3055773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile finishing procedures and compositions
Assignee: Arkansas Co Inc
•
Filing: 1958-07-02
•
Granted: 1962-09-25
•
Expires: 1978-07-02
Abstract
No abstract record available.
Inventors
- 👤 Hugh H Mosher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:23
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS OF SHRINK PROOFING WOOL WHICH COMPRISES PASSING SCOURED, BLEACHED AND DYED WOOL THROUGH AN AQUEOUS BATH TO WHICH A CATALYST HAS BEEN ADDED BEFORE PASSAGE OF THE WOOL, SAID CATALYST BEING USED IN THE AMOUNT OF 1 TO 5% OF THE SOLID CONTENT OF THE BATH AND THE SOLID CONTENT OF TH BATH RANGING FROM 1 TO 5% OF THE BATH AND CONTAINING DIMETHYLOL ETHYLENE UREA AND METHYLATED METHYLOL MALAMINE IN THE PRESENCE OF ZINCE NITRATE AS A CATALYST TO GIVE A SOLID PICK UP OF BETWEEN 2 TO 5%, AND DRYING AND CURING FOR THREE MINUTES AT 290*F.
Claim 2
Dependent Claim
101 words
A PROCESS OF SHRINK PROOFING WOOL WHICH COMPRISES PASSING SCOURED, BLEACHED AND DYED WOOL THROUGH AN AQUEOUS BATH TO WHICH A CATALYST HAS BEEN ADDED BEFORE PASSAGE OF THE WOOL, SAID CATALYST BEING USED IN THE AMOUNT OF 1 TO 5% OF THE SOLID CONTENT OF THE BATH AND THE SOLID CONTENT OF TH BATH RANGING FROM 1 TO 5% OF THE BATH AND CONTAINING DIMETHYLOL ETHYLENE UREA AND METHYLATED METHYLOL MALAMINE IN THE PRESENCE OF ZINCE NITRATE AS A CATALYST TO GIVE A SOLID PICK UP OF BETWEEN 2 TO 5%, AND DRYING AND CURING FOR THREE MINUTES AT 290*F.
References Cited (Backward Citations)
US2254001A
Cited
US2466457A
Cited
US2485250A
Cited
US2539365A
Cited
US2819179A
Cited
US2690404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |