US3277009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble package and method for making and using same
Assignee: GAF Chemicals Corp
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Filing: 1961-10-03
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Granted: 1966-10-04
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Freifeld Milton
- 👤 Jr Willis G Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/04; C11D17/041; C11D17/042; C08; C08G; C08G69/00; C08G69/02; C08G69/08; C08G69/14; C08G69/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A METHOD FOR PRODUCING A WATER-REMOVABLE GREASE AND OIL RESISTANT COATING ON A BASE WHICH COMPRISES APPLYING TO SAID BASE AN AQUEOUS SOLUTION OF POLYRROLIDONE CONTAINING FROM ABOUT 14% TO ABOUT 22% OF THE NITROGEN ATOMS SUBSTITUTED WITH A GROUPING SELECTED FRM THE GROUP CONSISTING OF METHOXYMETHYL, ETHOXYMETHYL, METHIOMETHYL AND ETHIOMETHYL GROUPINGS AND DRYING THE COATING.
Claim 2
Independent Claim
56 words
A METHOD FOR PRODUCING A WATER-REMOVABLE GREASE AND OIL RESISTANT COATING ON A BASE WHICH COMPRISES APPLYING TO SAID BASE AN AQUEOUS SOLUTION OF POLYRROLIDONE CONTAINING FROM ABOUT 14% TO ABOUT 22% OF THE NITROGEN ATOMS SUBSTITUTED WITH A GROUPING SELECTED FRM THE GROUP CONSISTING OF METHOXYMETHYL, ETHOXYMETHYL, METHIOMETHYL AND ETHIOMETHYL GROUPINGS AND DRYING THE COATING.
References Cited (Backward Citations)
CA451839A
Cited
US2086903A
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US1780375A
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US2734004A
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US3000830A
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US3061549A
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US3055834A
Cited
US3113674A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |