US2600421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of acrylates 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
- 👤 Harry T Neher
- 👤 William L Van Horne
- 👤 La Verne N Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:49
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
101 words
AN OIL-SOLUBLE COPOLYMER OF (A) AN ESTER OF ACRYLIC ACID AND A SATURATED ALIPHATIC MONOHYDRIC ALCOHOL HAVING A STRAIGHT CHAINED ALKYL GROUP OF SIXTEEN TO EIGHTEEN CARBON ATOMS AND (B) AN ESTER OF AN ALKANOIC ACID HAVING A CARBON CHAIN OF SIX TO FOURTEEN CARBON ATOMS AND AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALLYL, METHALLYL, AND 2-CHLOROALLYL ALCOHOLS, THE MOLE RATIO OF GROUPS FROM THE FIRST ESTER TO GROUPS FROM THE LATTER ESTER BEING FROM ONE TO ONE TO ONE TO A NUMBER EQUAL TO THE NUMBER OF CARBON ATOMS IN THE LONGEST STRAIGHT CHAIN OF THE LATTER ESTER.
Claim 2
Dependent Claim
101 words
AN OIL-SOLUBLE COPOLYMER OF (A) AN ESTER OF ACRYLIC ACID AND A SATURATED ALIPHATIC MONOHYDRIC ALCOHOL HAVING A STRAIGHT CHAINED ALKYL GROUP OF SIXTEEN TO EIGHTEEN CARBON ATOMS AND (B) AN ESTER OF AN ALKANOIC ACID HAVING A CARBON CHAIN OF SIX TO FOURTEEN CARBON ATOMS AND AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALLYL, METHALLYL, AND 2-CHLOROALLYL ALCOHOLS, THE MOLE RATIO OF GROUPS FROM THE FIRST ESTER TO GROUPS FROM THE LATTER ESTER BEING FROM ONE TO ONE TO ONE TO A NUMBER EQUAL TO THE NUMBER OF CARBON ATOMS IN THE LONGEST STRAIGHT CHAIN OF THE LATTER 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 |