US3082239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiophosphoric acid esters and process for their production
Assignee: Bayer AG
•
Filing: 1960-04-21
•
Granted: 1963-03-19
•
Expires: 1980-04-21
Abstract
No abstract record available.
Inventors
- 👤 Muhlmann Rudolf
- 👤 Schrader Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:01
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/20; C07F9/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
13 words
PROCESS FOR THE PRODUCTION OF A PHOSPHORIC ACID ESTER OF THE FOLLOWING FORMULA
Claim 2
Dependent Claim
13 words
PROCESS FOR THE PRODUCTION OF A PHOSPHORIC ACID ESTER OF THE FOLLOWING FORMULA
Claim 3
Dependent Claim
14 words
A PROCESS FOR THE PRODUCTION OF A PHOSPHORIC ACID COMPOUND OF THE FOLLOWING FORMULA
Claim 4
Dependent Claim
14 words
A PROCESS FOR THE PRODUCTION OF A PHOSPHORIC ACID COMPOUND OF THE FOLLOWING FORMULA
References Cited (Backward Citations)
DE814152C
Cited
CH257649A
Cited
US2679508A
Cited
FR1137159A
Cited
GB806148A
Cited
US2881201A
Cited
US2861876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |