US3070600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surfactant hydrazinium salts
Assignee: WR Grace and Co
•
Filing: 1960-02-08
•
Granted: 1962-12-25
•
Expires: 1980-02-08
Abstract
No abstract record available.
Inventors
- 👤 Rudner Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:43
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/22; C07D295/28; C07D295/30; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/14; C09; C09K; C09K23/00; C09K23/18; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2431; C10L1/2437; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10S260/20; Y10S507/00; Y10S507/92; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05; Y10S516/06; Y10S516/07
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
4 words
COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
4 words
COMPOUNDS HAVING THE FORMULA:
Claim 3
Dependent Claim
7 words
THE STEARATE SALT OF THE 4-AMINO-4-TALLOWMORPHOLINIUM CATION.
Claim 4
Dependent Claim
7 words
THE STEARATE SALT OF THE 4-AMINO-4-TALLOWMORPHOLINIUM CATION.
References Cited (Backward Citations)
US2955108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |