Patent US2810721A successfully refreshed from Google Patents.
US2810721A
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Quaternary ammonium compounds
Assignee: Rohm and Haas Co
•
Filing: 1955-07-28
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Granted: 1957-10-22
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Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 Earl W Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:36
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/14; A23B7/153; A23B7/154; A01; A01N; A01N33/00; A01N33/02; A01N33/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
13 words
A METHOD FOR THE PREPARATION OF A QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
13 words
A METHOD FOR THE PREPARATION OF A QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
13 words
AS A NEW COMPOSITION OF MATTER THE QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA
Claim 4
Dependent Claim
13 words
AS A NEW COMPOSITION OF MATTER THE QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA
Claim 5
Dependent Claim
9 words
AS A NEW COMPOSITION OF MATTER, BIS(OCTYLOXYPENTENYL) MORPHOLINIUM BROMIDE.
Claim 6
Dependent Claim
9 words
AS A NEW COMPOSITION OF MATTER, BIS(OCTYLOXYPENTENYL) MORPHOLINIUM BROMIDE.
References Cited (Backward Citations)
US2087132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |