Patent US3290257A successfully refreshed from Google Patents.
US3290257A
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Curing liquid for hardening monomeric polymerizable organic compounds
Assignee: Evonik Operations GmbH
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Filing: 1962-10-15
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Granted: 1966-12-06
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Bader Erich
- 👤 Landsfeld Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:53
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/28; C08F4/32; C08F283/00; C08F283/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A CURING LIQUID FOR HARDENING MONOMERIC POLYMERIZABLE ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS ESSENTIALLY CONSISTING OF A SOLUTION OF ABOUT 20 TO 60% BY WEIGHT OF AT LEAST ONE METHYL SUBSTITUTED BENZOYL PEROXIDE IN A LIQUID PLASTICIZER HAVING A BOILING POINT OVVER 140*C., SAID LIQUID PLASTICIZER BEING AN ESTER OF AN ALIPHATIC ALCOHOL WITH A POLYBASIC CARBOXYLIC ACID.
Claim 2
Dependent Claim
56 words
A CURING LIQUID FOR HARDENING MONOMERIC POLYMERIZABLE ETHYLENICALLY UNSATURATED ORGANIC COMPOUNDS ESSENTIALLY CONSISTING OF A SOLUTION OF ABOUT 20 TO 60% BY WEIGHT OF AT LEAST ONE METHYL SUBSTITUTED BENZOYL PEROXIDE IN A LIQUID PLASTICIZER HAVING A BOILING POINT OVVER 140*C., SAID LIQUID PLASTICIZER BEING AN ESTER OF AN ALIPHATIC ALCOHOL WITH A POLYBASIC CARBOXYLIC ACID.
References Cited (Backward Citations)
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Cited
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Cited
US2531134A
Cited
US2858280A
Cited
US2910443A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |