US3178380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New copolymers, process for their preparation and their use
Assignee: BASF Schweiz AG
•
Filing: 1962-10-23
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Granted: 1965-04-13
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Expires: 1982-10-23
Abstract
No abstract record available.
Inventors
- 👤 Porret Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:29
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/28; C08F220/282; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6216; C08G18/622; C08G18/6241; C08L; C08L75/00; D06M13/00; D06M13/322; D06M13/395; D06M15/21; D06M15/263; D06M15/267; D06M15/277
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COPOLYMERIZATION PRODUCT WHICH CONTAINS COPOLYMERIZED (A) AN ESTER OF THE FORMULA
Claim 2
Dependent Claim
12 words
A COPOLYMERIZATION PRODUCT WHICH CONTAINS COPOLYMERIZED (A) AN ESTER OF THE FORMULA
References Cited (Backward Citations)
US2681897A
Cited
US3090762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |