US3300451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinated pivalolactones and polymers thereof
Assignee: Eastman Kodak Co
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Filing: 1964-01-07
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Granted: 1967-01-24
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Expires: 1984-01-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Winston J Jackson
- 👤 John R Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6822; C07; C07D; C07D305/00; C07D305/02; C07D305/10; C07D305/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
20 words
CHLORINATED PIVALOLACTONE CONTAINING FROM ONE TO THREE CHLORINE ATOMS AND CONTAINING A RADICAL SELECTED FROM THE GROUP CONSISTING OF-CH3 AND-CHCL2.
Claim 2
Dependent Claim
20 words
CHLORINATED PIVALOLACTONE CONTAINING FROM ONE TO THREE CHLORINE ATOMS AND CONTAINING A RADICAL SELECTED FROM THE GROUP CONSISTING OF-CH3 AND-CHCL2.
Claim 3
Dependent Claim
78 words
THE PROCESS FOR PREPARING THE COMPOSITION OF CLAIM 1 COMPRISING CONTACTING PIVALOLACTONE WITH CHLORINE AT FROM ABOUT 0 TO ABOUT 80*C. IN THE PRESENCE OF A CHLORINATION PROMOTER WHEREIN THE PIVALOLACTONE IS SOLUBILIZED WITH A SOLVENT SUBSTANTIALLY INERT TO CHLORINE, AND WHEREIN SUFFICIENT WATER IS PRESENT TO REDUCE THE CONCENTRATION OF HCL IN THE CHLOROPIVALOLACTONE PHASE AND HENCE THE TENDENCY OF THE CHLOROPIVALOLACTONE TO HYDROLYZE, AND WHEREIN CACO3 IS DISPERSED IN THE REACTION MEDIUM TO NEUTRALIZE HCL FORMED.
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) | 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 |