Patent US3898144A successfully refreshed from Google Patents.
US3898144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-drying, light-curing, unsaturated polyester resins
Assignee: Bayer AG
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Filing: 1974-07-17
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Granted: 1975-08-05
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Expires: 1994-07-17
Abstract
Abstract The present invention relates to new unsaturated polyesters and to their use in air-drying, high-curing, moulding and coating compositions.
Inventors
- 👤 Hans Rudolph
- 👤 Hans-Joachim Traenckner
- 👤 Karl Fuhr
- 👤 Wolfgang Deninger
- 👤 Manfred Patheiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:11
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0407; C08F299/0421; C08L; C08L67/00; C08L67/06; C09; C09D; C09D167/00; C09D167/06; Y; Y10; Y10S; Y10S525/00; Y10S525/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
A PHOTOPOLYMERIZABLE MIXTURE COMPRISING A. 70 TO 10 PERCENT BY OF AN UATURATED POLYESTER WHICH HAS AN ACID NUMBER OF FROM ABOUT 5 TO ABOUT 55 AND IS THE CONDENSATION PRODUCT AT A TEMPERATURE OF FROM ABOUT 170* TO ABOUT 200*C AT A. 30 TO 50 PERCENT BY WEIGHT OF AB-UNSATURATED DICARBOXYLIC ACID B. 10 TO 30 PERCENT BY WEIGHT OF A DIALLY ETHER OF A POLY HYDRIC ALCOHOL SAID ALCOHOL BEING SELECTED FROM THE GROUP CONSISTING OF TRIMETHYLOPOPPANE TRIMETHYLOLETHANE TRIMETHLOLHUTANE, PENTAERYTHRITOL AND GLYCERINE C. 10 TO 50 PERCENT BY WEIGHT OF A MONOHYDRIC OR POLYHYDRIC ALCOHOL CONTAINING SATURATED ETHER GROUPS WHICH IS SELECTED FROM THE GROUP CONSISTING OF DIETHYLEN GLYCOL TRIETHYLENE GLYCOL TETRAETHYLENE GLYCOL DIPROPYLENE GLYCOL THE MONOALKYL ETHERS OF SAID GLYCOLS HAVING FROM 1 TO 10 CARBON ATOMS IN SAID MONOALKYL MOIETY METHYL, ETHYL, PROPYL, BUTYL, ISO-PROPYL, SECBUTYL T-BUTYL N-PENTYL, NEO-PENTYL, N-HEXYL ISO-HEXYL, D.0 TO 10 PERCENT BY WEIGHT OF AN ACID SELECTED FROM THE GROUP CONSISTING PHTHALIC ACID ADIPIC ACID TEREPHTHALIC ACID MALONIC ACID TERAHYDDROPHHTHALIC ACID, HEXAHYDROPHTHALIC ACID SUCCINIC ACID GLUTARIC ACID AND NORBONENEDICARBOXYLIC ACID AND E. 0 TO 30 PERCENT BY WEIGHT OF A POLYALCOHOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GYCOL AND PROPANEDIOL 1 2, BUTANEDIOL-1 3 BUTANEDIOL 1, 4 GLYCERINE TRIMETHYLOLPROPANE PENTAERYTHRITOL NEOPENTYL GLYCOL CYCLOHEXANEDIOL-1,2 2,2-BIS-(P-HYDROXYCYCLOHEXYL) PROPANE AND 1,4-BISMETHYLOLCYCLOHHEXANE B. 0.1 TO 4.0 PERCENT BY WEIGHT OF A PHOTOINITIATOR OF THE FORMULA
Claim 2
Dependent Claim
229 words
A PHOTOPOLYMERIZABLE MIXTURE COMPRISING A. 70 TO 10 PERCENT BY OF AN UATURATED POLYESTER WHICH HAS AN ACID NUMBER OF FROM ABOUT 5 TO ABOUT 55 AND IS THE CONDENSATION PRODUCT AT A TEMPERATURE OF FROM ABOUT 170* TO ABOUT 200*C AT A. 30 TO 50 PERCENT BY WEIGHT OF AB-UNSATURATED DICARBOXYLIC ACID B. 10 TO 30 PERCENT BY WEIGHT OF A DIALLY ETHER OF A POLY HYDRIC ALCOHOL SAID ALCOHOL BEING SELECTED FROM THE GROUP CONSISTING OF TRIMETHYLOPOPPANE TRIMETHYLOLETHANE TRIMETHLOLHUTANE, PENTAERYTHRITOL AND GLYCERINE C. 10 TO 50 PERCENT BY WEIGHT OF A MONOHYDRIC OR POLYHYDRIC ALCOHOL CONTAINING SATURATED ETHER GROUPS WHICH IS SELECTED FROM THE GROUP CONSISTING OF DIETHYLEN GLYCOL TRIETHYLENE GLYCOL TETRAETHYLENE GLYCOL DIPROPYLENE GLYCOL THE MONOALKYL ETHERS OF SAID GLYCOLS HAVING FROM 1 TO 10 CARBON ATOMS IN SAID MONOALKYL MOIETY METHYL, ETHYL, PROPYL, BUTYL, ISO-PROPYL, SECBUTYL T-BUTYL N-PENTYL, NEO-PENTYL, N-HEXYL ISO-HEXYL, D.0 TO 10 PERCENT BY WEIGHT OF AN ACID SELECTED FROM THE GROUP CONSISTING PHTHALIC ACID ADIPIC ACID TEREPHTHALIC ACID MALONIC ACID TERAHYDDROPHHTHALIC ACID, HEXAHYDROPHTHALIC ACID SUCCINIC ACID GLUTARIC ACID AND NORBONENEDICARBOXYLIC ACID AND E. 0 TO 30 PERCENT BY WEIGHT OF A POLYALCOHOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE GYCOL AND PROPANEDIOL 1 2, BUTANEDIOL-1 3 BUTANEDIOL 1, 4 GLYCERINE TRIMETHYLOLPROPANE PENTAERYTHRITOL NEOPENTYL GLYCOL CYCLOHEXANEDIOL-1,2 2,2-BIS-(P-HYDROXYCYCLOHEXYL) PROPANE AND 1,4-BISMETHYLOLCYCLOHHEXANE B. 0.1 TO 4.0 PERCENT BY WEIGHT OF A PHOTOINITIATOR OF THE FORMULA
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) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |