US3248259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabric treating composition and process
Assignee: ATK Launch Systems LLC
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Filing: 1962-01-31
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Granted: 1966-04-26
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Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
- 👤 Joaquin V Borsellino
- 👤 Richard D Samson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:45
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2393; Y10T442/273
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
205 words
AN OIL-IN-WATER EMULSION COMPRISING (A) AN OIL PHASE COMPRISING (1) AN INERT ORGANIC SOLVENT, (2) A BLOCKED URETHANE PREPOLYMER DISSOLVED IN SAID SOLVENT AND HAVING AN ISOCYANATE CONTENT AS PRESENT IN THE PREPOLYMER PRIOR TO BLOCKING FROM ABOUT 2.5 PERCENT TO 30 PERCENT BY WEIGHT AND FURTHER HAVING A RATIO OF ISOCYANATE GROUPS AS PRESENT IN THE PREPOLYMER PRIOR TO BLOCKING TO ACTIVE HYDROGEN GROUPS AS PRESENT IN THE BLOCKING AGENT PRIOR TO BLOCKING WHICH IS IN THE RANGE OF ABOUT 1/1 TO ABOUT 2/1, (3) A CURING AGENT FOR SAID URETHANE PREPOLYMER DISSOLVED IN SAID SOLVENT AND BEING PRESENT IN SUCH QUANTITY SO AS TO PROVIDE A RATIO OF ISOCYANATE GROUPS AS PRESENT IN THE PREPOLYMER PRIOR TO BLOCKING TO ACTIVE HYDROGEN GROUPS AS PRESENT IN THE CURING AGENT WHICH IS IN THE RANGE OF ABOUT 0.5/1 TO 2/1, SAID ACTIVE HYDROGEN GROUPS BEING SELECTED FROM THE CLASS CONSISTING OF OH, NH2 AND SH GROUPS; (B) AN AQUEOUS PHASE IN WHICH SAID OIL PHASE IS DISPERSED; AND (C) AT LEAST ONE ORGANIC EMULSIFYING AGENT IN CONTACT WITH SAID OIL AND AQUEOUS PHASES AND BEING PRESENT IN QUANTITIES OF ABOUT 0.5 TO 5 PARTS BY WEIGHT PER ONE HUNDRED PARTS BY WEIGHT OF SAID EMULSION
Claim 2
Dependent Claim
205 words
AN OIL-IN-WATER EMULSION COMPRISING (A) AN OIL PHASE COMPRISING (1) AN INERT ORGANIC SOLVENT, (2) A BLOCKED URETHANE PREPOLYMER DISSOLVED IN SAID SOLVENT AND HAVING AN ISOCYANATE CONTENT AS PRESENT IN THE PREPOLYMER PRIOR TO BLOCKING FROM ABOUT 2.5 PERCENT TO 30 PERCENT BY WEIGHT AND FURTHER HAVING A RATIO OF ISOCYANATE GROUPS AS PRESENT IN THE PREPOLYMER PRIOR TO BLOCKING TO ACTIVE HYDROGEN GROUPS AS PRESENT IN THE BLOCKING AGENT PRIOR TO BLOCKING WHICH IS IN THE RANGE OF ABOUT 1/1 TO ABOUT 2/1, (3) A CURING AGENT FOR SAID URETHANE PREPOLYMER DISSOLVED IN SAID SOLVENT AND BEING PRESENT IN SUCH QUANTITY SO AS TO PROVIDE A RATIO OF ISOCYANATE GROUPS AS PRESENT IN THE PREPOLYMER PRIOR TO BLOCKING TO ACTIVE HYDROGEN GROUPS AS PRESENT IN THE CURING AGENT WHICH IS IN THE RANGE OF ABOUT 0.5/1 TO 2/1, SAID ACTIVE HYDROGEN GROUPS BEING SELECTED FROM THE CLASS CONSISTING OF OH, NH2 AND SH GROUPS; (B) AN AQUEOUS PHASE IN WHICH SAID OIL PHASE IS DISPERSED; AND (C) AT LEAST ONE ORGANIC EMULSIFYING AGENT IN CONTACT WITH SAID OIL AND AQUEOUS PHASES AND BEING PRESENT IN QUANTITIES OF ABOUT 0.5 TO 5 PARTS BY WEIGHT PER ONE HUNDRED PARTS BY WEIGHT OF SAID EMULSION
Claim 3
Dependent Claim
62 words
A PROCESS FOR IMPARTING IMPROVED ABRASION RESISTANT PROPERTIES TO FABRICS COMPRISING (A) TREATING SAID FABRIC WITH THE OIL-IN-WATER EMULSION OF CLAIM 1; (B) HEATING THE THUS TREATED FABRIC TEMPERATURES OF 180 TO 300*F. TO AT LEAST SUBSTANTIALLY REMOVE SOLVENT AND WATER VALUES THEREFROM AND PLROMOTE THE UNBLOCKING AND CURE OF SAID URETHANE PREPOLYMER, AND (C) COOLING AND RECOVERING AN ABRASION RESISTANT FABRIC.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |