US2600449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Maleic acrylic copolymers
Assignee: Rohm and Haas Co
•
Filing: 1950-01-17
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Granted: 1952-06-17
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Expires: 1970-01-17
Abstract
No abstract record available.
Inventors
- 👤 William L Van Horne
- 👤 La Verne N Bauer
- 👤 Harry T Neher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:19
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10M145/10; C10M145/16; C08; C08F; C08F222/00; C08F222/10; C08F222/12; C08F222/14; C08F222/145; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/086; C10M2213/00; C10M2213/04; C10M2213/06; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A COPOLYMER OF AN ESTER (A) OF A SATURATED MONOHYDRIC ALCOHOL, ROH, IN WHICH R IS AN ALKYL GROUP HAVING A CHAIN OF 16 TO 18 CARBON ATOMS, AND AN ACID OF THE FORMULA
Claim 2
Dependent Claim
34 words
A COPOLYMER OF AN ESTER (A) OF A SATURATED MONOHYDRIC ALCOHOL, ROH, IN WHICH R IS AN ALKYL GROUP HAVING A CHAIN OF 16 TO 18 CARBON ATOMS, AND AN ACID OF THE FORMULA
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |