Patent US3284516A successfully refreshed from Google Patents.
US3284516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of halogenated ketones with unsaturated hydrocarbons
Assignee: 3M Co
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Filing: 1965-01-07
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Granted: 1966-11-08
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Expires: 1985-01-07
Abstract
No abstract record available.
Inventors
- 👤 Horace R Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:46
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A COMPOUND OF THE FORMULA HO-C(-A)(-B)-CH=C=CH-C(-D)(-E)-OH WHEREIN A, B, D AND E ARE EACH A LOWER ALKYL RADIACL HAVING EXCLUSIVELY HALOGEN ATOMS OF THE GROUPS OF FLUORINE CHLORINE ON THE A-CARBON ATOMS, AT LEAST ONE OF THE SAID HALOGEN ATOMS BEING FLUORINE.
Claim 2
Dependent Claim
42 words
A COMPOUND OF THE FORMULA HO-C(-A)(-B)-CH=C=CH-C(-D)(-E)-OH WHEREIN A, B, D AND E ARE EACH A LOWER ALKYL RADIACL HAVING EXCLUSIVELY HALOGEN ATOMS OF THE GROUPS OF FLUORINE CHLORINE ON THE A-CARBON ATOMS, AT LEAST ONE OF THE SAID HALOGEN ATOMS BEING FLUORINE.
References Cited (Backward Citations)
US3140298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |