US3300544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 4 naphthoquinone as polymerization controller in beta-staging unsaturated polyeste
Assignee: Chevron USA Inc
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Filing: 1965-04-06
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Granted: 1967-01-24
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Expires: 1985-04-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Phillip H Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:53
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PROCESS FOR PRODUCING A STABLE B-STAGED FORM OF A COPOLYMERIZED UNSATURATED POLYESTER ETHYLENICALLY UNSATURATED MONOMER COMPOSITION WHICH COMPRISES FORMING A FLUID MIXTURE OF AN UNSATURATED POLYESTER AND 5 TO 75% BY WEIGHT, BASED ON SAID MIXTURE, OF AN ETHYLENICALLY UNSATURATED COPOLYMERIZABLE MONOMER, INCORPORATING IN SAID MIXTURE 0.005 TO 5.0% BY WEIGHT OF AN ORGANIC PEROXIDE FREE RADICAL INITIATOR WHICH IS CAPABLE OF ACTIVATION AT TEMPERATURES BELOW ABOUT 65*C. AND AN AMOUNT OF 1,4-NAPHTHOQUINONE SUCH THAT THE MOL RATIO OF 1,4NAPHTHOQUINONE TO INITIATOR RANGES BETWEEN 1:2.5 TO 2.5:1 AND THEREAFTER ACTIVATING SAID INITIATOR AT A TEMPERATURE BELOW ABOUT 65*C.
Claim 2
Dependent Claim
99 words
A PROCESS FOR PRODUCING A STABLE B-STAGED FORM OF A COPOLYMERIZED UNSATURATED POLYESTER ETHYLENICALLY UNSATURATED MONOMER COMPOSITION WHICH COMPRISES FORMING A FLUID MIXTURE OF AN UNSATURATED POLYESTER AND 5 TO 75% BY WEIGHT, BASED ON SAID MIXTURE, OF AN ETHYLENICALLY UNSATURATED COPOLYMERIZABLE MONOMER, INCORPORATING IN SAID MIXTURE 0.005 TO 5.0% BY WEIGHT OF AN ORGANIC PEROXIDE FREE RADICAL INITIATOR WHICH IS CAPABLE OF ACTIVATION AT TEMPERATURES BELOW ABOUT 65*C. AND AN AMOUNT OF 1,4-NAPHTHOQUINONE SUCH THAT THE MOL RATIO OF 1,4NAPHTHOQUINONE TO INITIATOR RANGES BETWEEN 1:2.5 TO 2.5:1 AND THEREAFTER ACTIVATING SAID INITIATOR AT A TEMPERATURE BELOW ABOUT 65*C.
References Cited (Backward Citations)
US2610168A
Cited
US3146216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |