US2843573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New quaternary ammonium compounds in which the nitrogen atom carries an alkoxymethyl group
Assignee: Rohm and Haas Co
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Filing: 1955-03-21
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Granted: 1958-07-15
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Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Melamed Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:07
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/44; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10S260/18; Y10S526/00; Y10S526/923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A COMPOSITION COMPRISING A LINEAR ADDITION POLYMER OF POLYMERIZABLE MONOETHYLENICALLY UNSATURATED MOLECULAR IN WHICH AT LEAST 5 MOLE PERCENT OF THE UNITS THEREOF HAVE SIDE GROUPS COMPRISING QUATERNARY AMMONIUM NITROGEN ATOMS DIRECTLY ATTACHED TO ALKOXYMETHYL GROUPS HAVING FROM 2 TO 5 CARBON ATOMS, SAID POLYMER CONTAINING FROM 0 TO 95 MOLE PERCENT OF POLYMERIZED UNITS SELECTED FROM THE GROUP CONSISTING OF ACRYLATES OF ALCOHOLS HAVING 1 TO 12 CARBON ATOMS, AND THOSE UNITS HAVING THE FORMULAS:
Claim 2
Dependent Claim
76 words
A COMPOSITION COMPRISING A LINEAR ADDITION POLYMER OF POLYMERIZABLE MONOETHYLENICALLY UNSATURATED MOLECULAR IN WHICH AT LEAST 5 MOLE PERCENT OF THE UNITS THEREOF HAVE SIDE GROUPS COMPRISING QUATERNARY AMMONIUM NITROGEN ATOMS DIRECTLY ATTACHED TO ALKOXYMETHYL GROUPS HAVING FROM 2 TO 5 CARBON ATOMS, SAID POLYMER CONTAINING FROM 0 TO 95 MOLE PERCENT OF POLYMERIZED UNITS SELECTED FROM THE GROUP CONSISTING OF ACRYLATES OF ALCOHOLS HAVING 1 TO 12 CARBON ATOMS, AND THOSE UNITS HAVING THE FORMULAS:
References Cited (Backward Citations)
US2138763A
Cited
US2744130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |