US3229001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
(thio)phosphoric (phosphonic, phosphinic) acid esters and processes for their production
Assignee: Bayer AG
•
Filing: 1961-11-30
•
Granted: 1966-01-11
•
Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Schrader Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:09
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/32; C07F9/3258; C07F9/3264; A; A01; A01N; A01N57/00; A01N57/02; A01N57/18; C07F9/06; C07F9/16; C07F9/165; C07F9/1651; C07F9/38; C07F9/40; C07F9/4071; C07F9/4075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2565921A
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US2565920A
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US2586655A
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US2596076A
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US2614988A
Cited
US2571989A
Cited
US3004980A
Cited
DE947369C
Cited
US2884353A
Cited
US2885430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |