US2600451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of methacrylic and vinyl esters
Assignee: Rohm and Haas Co
•
Filing: 1950-05-12
•
Granted: 1952-06-17
•
Expires: 1970-05-12
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
2026-10-26 21:25
CPC Classifications
C; C10; C10M; C10M145/00; C10M145/02; C10M145/10; C10M145/12; C10M145/14; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1818; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A COPOLYMER OF (A) AN ESTER OF METHACRYLIC ACID AND A SATURATED MONOHYDRIC ALIPHATIC ALCOHOL, ROH, IN WHICH R IS AN ALKYL CHAIN OF 16 TO 18 CARBON ATOMS, AND (B) A VINYL ESTER OF A SATURATED ALIPHATIC MONOCARBOXYLIC ACID OF 6 TO 12 CARBON ATOMS, THE MOLAR PROPORTION OF THE METHACRYLIC ESTER (A) GROUPS TO THE VINYL ESTER (B) GROUPS BEING FROM 1:1 TO 1:12.
Claim 2
Dependent Claim
66 words
A COPOLYMER OF (A) AN ESTER OF METHACRYLIC ACID AND A SATURATED MONOHYDRIC ALIPHATIC ALCOHOL, ROH, IN WHICH R IS AN ALKYL CHAIN OF 16 TO 18 CARBON ATOMS, AND (B) A VINYL ESTER OF A SATURATED ALIPHATIC MONOCARBOXYLIC ACID OF 6 TO 12 CARBON ATOMS, THE MOLAR PROPORTION OF THE METHACRYLIC ESTER (A) GROUPS TO THE VINYL ESTER (B) GROUPS BEING FROM 1:1 TO 1:12.
References Cited (Backward Citations)
US2020714A
Cited
US2067706A
Cited
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 |