US2600448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers from allyl esters and acrylic esters
Assignee: Rohm and Haas Co
•
Filing: 1949-07-15
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Granted: 1952-06-17
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Expires: 1969-07-15
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
2026-10-28 07:46
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN OIL-SOLUBLE COPOLYMER FROM (A) AN ESTER OF AN ALKANOIC ACID OF SIXTEEN TO TWENTY-FOUR CARBON ATOMS AND AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALLYL, 2-CHLOROALLYL, AND METHALLYL ALCOHOLS AND (B) AN ESTER OF ACRYLIC ACID AND A SATURATED ALIPHATIC MONOHYDRIC ALCOHOL HAVING AN ALKYL GROUP OF FOUR TO TWELVE CARBON ATOMS, THE RATIO OF THE GROUPS FROM THE FIRST ESTER (A) TO THE SECOND ESTER (B) VARYING FROM ONE TO ONE HALF TO ONE TO A NUMBER WHICH IS EQUAL TO ONE HALF OF THE NUMBER OF CARBON ATOMS IN THE LONGEST CHAIN OF THE ALCOHOL FORMING THE SECOND ESTER.
Claim 2
Dependent Claim
103 words
AN OIL-SOLUBLE COPOLYMER FROM (A) AN ESTER OF AN ALKANOIC ACID OF SIXTEEN TO TWENTY-FOUR CARBON ATOMS AND AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALLYL, 2-CHLOROALLYL, AND METHALLYL ALCOHOLS AND (B) AN ESTER OF ACRYLIC ACID AND A SATURATED ALIPHATIC MONOHYDRIC ALCOHOL HAVING AN ALKYL GROUP OF FOUR TO TWELVE CARBON ATOMS, THE RATIO OF THE GROUPS FROM THE FIRST ESTER (A) TO THE SECOND ESTER (B) VARYING FROM ONE TO ONE HALF TO ONE TO A NUMBER WHICH IS EQUAL TO ONE HALF OF THE NUMBER OF CARBON ATOMS IN THE LONGEST CHAIN OF THE ALCOHOL FORMING THE SECOND ESTER.
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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 |