Patent US2600385A successfully refreshed from Google Patents.
US2600385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl ester copolymers
Assignee: Rohm and Haas Co
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Filing: 1950-05-12
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Granted: 1952-06-17
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Expires: 1970-05-12
Abstract
No abstract record available.
Inventors
- 👤 La Verne N Bauer
- 👤 William L Van Horne
- 👤 Harry T Neher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:15
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
COPOLYMER OF A VINYL ESTER (A) OF A MONOCARBOXYLIC ACID, RCOOH, WHEREIN R IS AN ALKYL GROUP HAVING A CHAIN LENGTH OF 15 TO 17 CARBON ATOMS, AND A VINYL ESTER (B) OF A MONOCARBOXYLIC ACID, R''COOH, WHEREIN, R'' IS AN ALKYL GROUP HAVING A CARBON CHAIN OF AT LEAST THREE CARBON ATOMS AND CONTAINING NOT OVER NINE CARBON ATOMS, THE RATIO OF VINYL ESTER (A) GROUPS OF VINYL ESTER (B) GROUPS BEING FROM 1:05 TO 1:N/2, WHERE N IS THE NUMBER OF CARBON ATOMS IN THE LONGEST CHAIN OF THE MONOCARBOXYLIC ACID R''COOH.
Claim 2
Dependent Claim
94 words
COPOLYMER OF A VINYL ESTER (A) OF A MONOCARBOXYLIC ACID, RCOOH, WHEREIN R IS AN ALKYL GROUP HAVING A CHAIN LENGTH OF 15 TO 17 CARBON ATOMS, AND A VINYL ESTER (B) OF A MONOCARBOXYLIC ACID, R''COOH, WHEREIN, R'' IS AN ALKYL GROUP HAVING A CARBON CHAIN OF AT LEAST THREE CARBON ATOMS AND CONTAINING NOT OVER NINE CARBON ATOMS, THE RATIO OF VINYL ESTER (A) GROUPS OF VINYL ESTER (B) GROUPS BEING FROM 1:05 TO 1:N/2, WHERE N IS THE NUMBER OF CARBON ATOMS IN THE LONGEST CHAIN OF THE MONOCARBOXYLIC ACID R''COOH.
References Cited (Backward Citations)
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 |