US3247282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of diallylidene pentaerythritol with hydroxyl terminated unsaturated esters and vinyl monomers
Assignee: Hoechst AG Werk Kalle Albert
•
Filing: 1961-08-23
•
Granted: 1966-04-19
•
Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 Englisch Alfred
- 👤 Zimmermann Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:28
CPC Classifications
C; C08; C08G; C08G2/00; C08G2/06; C08F; C08F24/00; C08G2/18; C08G4/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
160 words
IN THE PROCESS OF PRODUCING A POLYADDUCT BY INTIMATELY ADMIXING (A) AN ESTER OF AT LEAST ONE SATURATED ALIPHATIC POLYHYDRIC ALCOHOL AND AT LEAST ONE DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF (1) A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS AND (2) MIXTURES THEREOF WITH UP TO AN EQUIMOLECULAR AMOUNT OF AT LEAST ONE SATURATED DICARBOXYLIC ACID, SAID ESTER CONTAINING FREE EXCESS ALCHOLOLIC HYDROXY GROUPS AND HAVING AN ACID NUMBER BETWEEN 5 AND 50 AND A HYDROXYL NUMBER BETWEEN 200 AND 350, AND (B) DIALLYLIDENE PENTAERYTHRITOL IN A MOLAR RATIO OF A:B BETWEEN 0.3:1 AND 3:1 WITH (C) A CATALYTIC AMOUNT OF A CATALYST TO YIELD A POLYADDUCT, THE IMPROVEMENT WHICH COMPRISES REACTING THE DIALLYLIDENE PENTAERYTHRITOL WITH A MIXTURE OF THE ESTER (A) AND ALLYL ALCOHOL IN WHICH THE ALLYL ALCOHOL IS CONTAINED IN AN AMOUNT EQUALING ABOUT 1 TO 25% OF THE WEIGHT OF A+B AND STABLIZING THE RESULTING POLYADDUCT AGAINST GELLING BY A SMALL QUANTITY OF A BASIC REACTING SUBSTANCE.
Claim 2
Dependent Claim
160 words
IN THE PROCESS OF PRODUCING A POLYADDUCT BY INTIMATELY ADMIXING (A) AN ESTER OF AT LEAST ONE SATURATED ALIPHATIC POLYHYDRIC ALCOHOL AND AT LEAST ONE DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF (1) A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS AND (2) MIXTURES THEREOF WITH UP TO AN EQUIMOLECULAR AMOUNT OF AT LEAST ONE SATURATED DICARBOXYLIC ACID, SAID ESTER CONTAINING FREE EXCESS ALCHOLOLIC HYDROXY GROUPS AND HAVING AN ACID NUMBER BETWEEN 5 AND 50 AND A HYDROXYL NUMBER BETWEEN 200 AND 350, AND (B) DIALLYLIDENE PENTAERYTHRITOL IN A MOLAR RATIO OF A:B BETWEEN 0.3:1 AND 3:1 WITH (C) A CATALYTIC AMOUNT OF A CATALYST TO YIELD A POLYADDUCT, THE IMPROVEMENT WHICH COMPRISES REACTING THE DIALLYLIDENE PENTAERYTHRITOL WITH A MIXTURE OF THE ESTER (A) AND ALLYL ALCOHOL IN WHICH THE ALLYL ALCOHOL IS CONTAINED IN AN AMOUNT EQUALING ABOUT 1 TO 25% OF THE WEIGHT OF A+B AND STABLIZING THE RESULTING POLYADDUCT AGAINST GELLING BY A SMALL QUANTITY OF A BASIC REACTING SUBSTANCE.
Claim 3
Dependent Claim
148 words
A HARD COPOLYMER RESIN COMPRISING A COPOLYMERIZABLE MONOMER HAVING THE GROUP >C=CH2 AND CONTAINING FROM 3 TO 16 CARBON ATOMS AND (II) A RESINOUS POLYADDUCT OF 0.5 TO 2 MOLS OF DIALLYLIDENE PENTAERYTHRITOL WITH 1 MOL OF AN ESTER OF AT LEAST 1 SATURATED ALIPHATIC POLYHYDRIC ALCOHOL WITH AN ESTER-FORMING COMPONENT OF AT LEAST 1 DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF (1) A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS AND (2) MIXTURES THEREOF WITH UP TO AN EQUAL MOLAR AMOUNT OF AT LEAST ONE SATURATED DICARBOXYLIC ACID, SAID ESTER CONTAINING FREE EXCESS ALCOHOLIC HYDROXY GROUPS, AND (III) ALLYL ALCOHOL IN AN AMOUNT EQUALLING ABOUT 5 TO 15% OF THE WEIGHT OF (1)+(II), THE SAID POLYADDUCT COMPONENT HAVING BEEN FURTHER MODIFIED BY A REACTION WITH 5 TO 15%, CALCULATED ON THE WEIGHT OF THE POLYADDUCT, OF AT LEAST ONE HALOSILANE SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ARYL HALOSILANES.
Claim 4
Dependent Claim
148 words
A HARD COPOLYMER RESIN COMPRISING A COPOLYMERIZABLE MONOMER HAVING THE GROUP >C=CH2 AND CONTAINING FROM 3 TO 16 CARBON ATOMS AND (II) A RESINOUS POLYADDUCT OF 0.5 TO 2 MOLS OF DIALLYLIDENE PENTAERYTHRITOL WITH 1 MOL OF AN ESTER OF AT LEAST 1 SATURATED ALIPHATIC POLYHYDRIC ALCOHOL WITH AN ESTER-FORMING COMPONENT OF AT LEAST 1 DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF (1) A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS AND (2) MIXTURES THEREOF WITH UP TO AN EQUAL MOLAR AMOUNT OF AT LEAST ONE SATURATED DICARBOXYLIC ACID, SAID ESTER CONTAINING FREE EXCESS ALCOHOLIC HYDROXY GROUPS, AND (III) ALLYL ALCOHOL IN AN AMOUNT EQUALLING ABOUT 5 TO 15% OF THE WEIGHT OF (1)+(II), THE SAID POLYADDUCT COMPONENT HAVING BEEN FURTHER MODIFIED BY A REACTION WITH 5 TO 15%, CALCULATED ON THE WEIGHT OF THE POLYADDUCT, OF AT LEAST ONE HALOSILANE SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ARYL HALOSILANES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |