US2727015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric n,n'-alkyleneureidoalkyl acrylamides and process for producing them by aminolysis
Assignee: Rohm and Haas Co
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Filing: 1954-03-01
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Granted: 1955-12-13
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Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Robert W Auten
- 👤 Elinor M Hankins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:48
CPC Classifications
C; C08; C08F; C08F8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A PROCESS WHICH COMPRISES MIXING A SOULBLE POLYMER OF LOWER ALKYL ACRYLATE AND AN AMINOAKLYALKYLENEUREA OF THE STRUCTURE
Claim 2
Dependent Claim
18 words
A PROCESS WHICH COMPRISES MIXING A SOULBLE POLYMER OF LOWER ALKYL ACRYLATE AND AN AMINOAKLYALKYLENEUREA OF THE STRUCTURE
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) | 1958-12-12 | 1959-06-13 | 1959-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-12 | 1963-06-13 | 1963-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-12 | 1967-06-13 | 1967-12-13 | $7700.00 | Window Closed / Lapsed |