Patent US3332842A successfully refreshed from Google Patents.
US3332842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ether acids and derivatives thereof
Assignee: BASF Corp
•
Filing: 1966-03-30
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Granted: 1967-07-25
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Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 Bencze William Laszlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:53
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/02; C07C51/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
GB860303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |