US2600383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers from allyl esters and methacrylic 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
- 👤 La Verne N Bauer
- 👤 Harry T Neher
- 👤 William L Van Horne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:33
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; C08F220/1812; C08F220/1806; C08F220/1807; C08F220/1808; C08F220/1809
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A COPOLYMER OF (A) AN ESTER OF AN ALKANOIC ACID HAVING A CHAIN OF SIXTEEN TO TWENTY-FOUR CARBON ATOMS AND AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALLYL, METHALLYL, AND 2-CHLOROALLYL ALCOHOLS AND (B) AN ESTER OF METHACRYLIC ACID AND A SATURATED ALIPHATIC MONOHYDRIC ALCOHOL HAVING AN ALKYL GROUP OF SIX TO TWELVE CARBON ATOMS, THE PROPORTION OF ESTER (A) TO ESTER (B) BEING DEFINED BY RATIOS FROM ONE MOLE OF THE FIRST ESTER OF ONE HALF MOLE TO THE LATTER UP TO ONE MOLE OF THE FIRST TO A NUMBER OF MOLES OF THE LATTER EQUAL TO ONE THIRD OF THE NUMBER OF CARBON ATOMS IN THE LONGEST CHAIN OF THE LATTER.
Claim 2
Dependent Claim
114 words
A COPOLYMER OF (A) AN ESTER OF AN ALKANOIC ACID HAVING A CHAIN OF SIXTEEN TO TWENTY-FOUR CARBON ATOMS AND AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALLYL, METHALLYL, AND 2-CHLOROALLYL ALCOHOLS AND (B) AN ESTER OF METHACRYLIC ACID AND A SATURATED ALIPHATIC MONOHYDRIC ALCOHOL HAVING AN ALKYL GROUP OF SIX TO TWELVE CARBON ATOMS, THE PROPORTION OF ESTER (A) TO ESTER (B) BEING DEFINED BY RATIOS FROM ONE MOLE OF THE FIRST ESTER OF ONE HALF MOLE TO THE LATTER UP TO ONE MOLE OF THE FIRST TO A NUMBER OF MOLES OF THE LATTER EQUAL TO ONE THIRD OF THE NUMBER OF CARBON ATOMS IN THE LONGEST CHAIN OF THE LATTER.
References Cited (Backward Citations)
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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 |