US3451937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphonate compounds
Assignee: Procter and Gamble Co
•
Filing: 1968-05-16
•
Granted: 1969-06-24
•
Expires: 1988-05-16
Abstract
No abstract record available.
Inventors
- 👤 Oscar T Quimby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:53
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/305; G03C5/3053; A; A01; A01N; A01N25/00; A01N25/02; C; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/14; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3839; C07F9/386; C11; C11D; C11D3/00; C11D3/16; C11D3/36; C11D3/361; C22; C22B; C22B26/00; C22B26/20; C22B3/00; C22B3/20; C22B3/26; C22B3/38; C22B3/386; C02F2103/00; C02F2103/42; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF (A) A WATER SOLUBLE ORGANIC DETERGENT AND (B) ETHANEHYDROZYTRIPHOPHONIC ACID OR A SALT THEREOF HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
24 words
A DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF (A) A WATER SOLUBLE ORGANIC DETERGENT AND (B) ETHANEHYDROZYTRIPHOPHONIC ACID OR A SALT THEREOF HAVING THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
US3214454A
Cited
US3159581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |