US3042646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis(2-chloroethyl) formal and mixtures thereof with phenols as solvents for polyester compositions and method of preparing same
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-07-23
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Granted: 1962-07-03
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Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Beindorff
- 👤 Witt Hobson D De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:37
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/095; C08J2367/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A NEW COMPOSITION OF MATTER COMPRISING A SOLUTION OF A SYNTHETIC LINEAR CONDENSATION POLYESTER DISSOLVED IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF BIS(2CHLOROETHYL) FORMAL AND MIXTURES OF BIS (2-CHLOROETHYL FORMAL WITH FROM 3 TO 50 PERCENT BASED ON THE TOTAL WEIGHT OF THE SOLVENT, OF A PHENOL, SAID POLYESTER BEING SELECTED FROM THE GROUP CONSISTING OF (A) POLYESTERS FORMED BY THE REACTION OF AT LEAST ONE DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF AROMATIC DICARBOXYLIC ACIDS AND ALIPHATIC DICARBOXYLIC ACIDS AND AT LEAST ONE GLYCOL OF THE SERIES HO(CH2)NOH WHERIN N IS AN INTEGER FROM 2 TO 10, (B) THE POLYESTERS OF (A) MODIFIED BY 0.05 MOL PERCENT TO 1.0 MOL PERCENT, BASED ON THE TOTAL WEIGHT OF SAID DICARBOXYLIC ACID, OF A CHAIN TERMINATOR SELECTED FROM THE GROUP CONSISTING OF POLYALKYLVINYL ETHERS HAVING ONE TERMINAL HYDROXYL GROUP WHERIN THE ALKYL GROUP CONTAINS 1 TO 4 CARBON ATOMS, AND COMPOUNDS HAVING THE FORMULA,
Claim 2
Dependent Claim
156 words
A NEW COMPOSITION OF MATTER COMPRISING A SOLUTION OF A SYNTHETIC LINEAR CONDENSATION POLYESTER DISSOLVED IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF BIS(2CHLOROETHYL) FORMAL AND MIXTURES OF BIS (2-CHLOROETHYL FORMAL WITH FROM 3 TO 50 PERCENT BASED ON THE TOTAL WEIGHT OF THE SOLVENT, OF A PHENOL, SAID POLYESTER BEING SELECTED FROM THE GROUP CONSISTING OF (A) POLYESTERS FORMED BY THE REACTION OF AT LEAST ONE DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF AROMATIC DICARBOXYLIC ACIDS AND ALIPHATIC DICARBOXYLIC ACIDS AND AT LEAST ONE GLYCOL OF THE SERIES HO(CH2)NOH WHERIN N IS AN INTEGER FROM 2 TO 10, (B) THE POLYESTERS OF (A) MODIFIED BY 0.05 MOL PERCENT TO 1.0 MOL PERCENT, BASED ON THE TOTAL WEIGHT OF SAID DICARBOXYLIC ACID, OF A CHAIN TERMINATOR SELECTED FROM THE GROUP CONSISTING OF POLYALKYLVINYL ETHERS HAVING ONE TERMINAL HYDROXYL GROUP WHERIN THE ALKYL GROUP CONTAINS 1 TO 4 CARBON ATOMS, AND COMPOUNDS HAVING THE FORMULA,
References Cited (Backward Citations)
US2895946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |