US3248260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers of nu-methylol acrylamides and compositions containing same
Assignee: EIDP Inc
•
Filing: 1961-08-22
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Granted: 1966-04-26
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Langerak Esley Oren
- 👤 Nelson Jerry Allen
- 👤 Wright Everett James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/58; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/21; Y10T; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/2172
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
AN INTERPOLYMER OF AN N-METHYLOL ACRYLAMIDE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
10 words
AN INTERPOLYMER OF AN N-METHYLOL ACRYLAMIDE COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
45 words
A COMPOSITION OF MATTER ADAPTED FOR USE AS A WATERAND OIL-REPELLENCY AGENT, SAID COMPOSITION BEING AN AQUEOUS EMULSION COMPRISING AS PRINCIPAL EFFECTIVE COMPONENT AN INTERPOLYMER OF AN ACRYLAMIDE COMPOUND OF THE GROUP CONSISTING OF N-METHYLOL ACRYLAMIDE AND NMETHYLOL-METHACRYLAMIDE WITH A FLUROALKYL ESTER OF THE FORMULA
Claim 4
Dependent Claim
45 words
A COMPOSITION OF MATTER ADAPTED FOR USE AS A WATERAND OIL-REPELLENCY AGENT, SAID COMPOSITION BEING AN AQUEOUS EMULSION COMPRISING AS PRINCIPAL EFFECTIVE COMPONENT AN INTERPOLYMER OF AN ACRYLAMIDE COMPOUND OF THE GROUP CONSISTING OF N-METHYLOL ACRYLAMIDE AND NMETHYLOL-METHACRYLAMIDE WITH A FLUROALKYL ESTER OF THE FORMULA
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 |