US2600446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of methacrylates and allyl 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
2026-10-23 19:42
CPC Classifications
C; C08; C08F; C08F18/00; C08F18/02; C08F18/12; C08F18/20; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1818
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN OIL-SOLUBLE COPOLYMER FROM (A) AN ESTER OF METHACRYLIC ACID AND A SATURATED ALIPHATIC MONOHYDRIC ALCOHOL HAVING AN ALKYL GROUP WITH A STRAIGHT CHAIN OF SIXTEEN TO TWENTY-FOUR CARBON ATOMS AND (B) AN ALLYLIC ESTER OF AN ALKANOIC ACID OF THREE TO FOURTEEN CARBON ATOMS AND AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALLYL, METHALLYL, AND 2-CHLORALLYL ALCOHOLS, THE RATIO OF GROUPS FROM THE METHACRYLIC ESTER TO THE ALLYLIC ESTER BEING FROM 1:0.075 TO 1 TO A NUMBER EQUAL TO TWICE THE NUMBER OF CARBON ATOMS IN THE LONGEST CHAIN OF THE ALLYLIC ESTER.
Claim 2
Dependent Claim
95 words
AN OIL-SOLUBLE COPOLYMER FROM (A) AN ESTER OF METHACRYLIC ACID AND A SATURATED ALIPHATIC MONOHYDRIC ALCOHOL HAVING AN ALKYL GROUP WITH A STRAIGHT CHAIN OF SIXTEEN TO TWENTY-FOUR CARBON ATOMS AND (B) AN ALLYLIC ESTER OF AN ALKANOIC ACID OF THREE TO FOURTEEN CARBON ATOMS AND AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALLYL, METHALLYL, AND 2-CHLORALLYL ALCOHOLS, THE RATIO OF GROUPS FROM THE METHACRYLIC ESTER TO THE ALLYLIC ESTER BEING FROM 1:0.075 TO 1 TO A NUMBER EQUAL TO TWICE THE NUMBER OF CARBON ATOMS IN THE LONGEST CHAIN OF THE ALLYLIC ESTER.
References Cited (Backward Citations)
US2129664A
Cited
US2125885A
Cited
US2234829A
Cited
US2419221A
Cited
US2407954A
Cited
US2440318A
Cited
US2441023A
Cited
US2524563A
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 |