US3043719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for applying crease resistant finishes to cellulosic fabrics and products thereof
Assignee: United Merchants and Manuf Inc
•
Filing: 1960-08-19
•
Granted: 1962-07-10
•
Expires: 1980-08-19
Abstract
No abstract record available.
Inventors
- 👤 Francis K Burr
- 👤 Joseph S Panto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2393
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
METHOD OF IMPROVING THE WASH AND WEAR AND CREASE RESISTANCE PROPERTIES OF CELLULOSIC FABRICS, WHICH INCLUDES THE STEPS OF IMPREGNATING THE SAME WITH REACTANT PRECONDENSATE MATERIAL SELECTED FROM THE CLASS OF CELLULOSE REACTING MATERIALS CONSISTING OF UREA FORMALDEHYDE, MELAMINE FORMALDEHYDE, DIMETHYLOL ETHYLENE UREA, FORMALDEHYDE, TRIAZONES, AND TRIAZINES, DISSOLVED IN AN IMPREGNATING SOLUTION COMPRISING MAJOR PROPORTION OF AN ALIPHATIC KETONE SOLVENT AND A MINOR PROPORTION OF WATER, AND SUBSEQUENTLY INSOLUBILIZING THE PRECONDENSATE IN SITU.
Claim 2
Dependent Claim
73 words
METHOD OF IMPROVING THE WASH AND WEAR AND CREASE RESISTANCE PROPERTIES OF CELLULOSIC FABRICS, WHICH INCLUDES THE STEPS OF IMPREGNATING THE SAME WITH REACTANT PRECONDENSATE MATERIAL SELECTED FROM THE CLASS OF CELLULOSE REACTING MATERIALS CONSISTING OF UREA FORMALDEHYDE, MELAMINE FORMALDEHYDE, DIMETHYLOL ETHYLENE UREA, FORMALDEHYDE, TRIAZONES, AND TRIAZINES, DISSOLVED IN AN IMPREGNATING SOLUTION COMPRISING MAJOR PROPORTION OF AN ALIPHATIC KETONE SOLVENT AND A MINOR PROPORTION OF WATER, AND SUBSEQUENTLY INSOLUBILIZING THE PRECONDENSATE IN SITU.
References Cited (Backward Citations)
US2888369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |