US3105059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel maleimides and polymers stabilized thereby
Assignee: Uniroyal Inc
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Filing: 1961-07-28
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Granted: 1963-09-24
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Expires: 1981-07-28
Abstract
No abstract record available.
Inventors
- 👤 Burg Sjirk Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:04
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/448; C07D207/452; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
31 words
AN N - (3,5 - DIALKYL - 2,5 - CYCLOHEXADIENE - 4 - ONE1-YLIDENE-METHYL) MALEIMIDE IN WHICH ALKYL RADICALS IN THE 3 AND 5 POSITIONS HAVE 1 TO 8 CARBON ATOMS.
Claim 2
Dependent Claim
31 words
AN N - (3,5 - DIALKYL - 2,5 - CYCLOHEXADIENE - 4 - ONE1-YLIDENE-METHYL) MALEIMIDE IN WHICH ALKYL RADICALS IN THE 3 AND 5 POSITIONS HAVE 1 TO 8 CARBON ATOMS.
Claim 3
Dependent Claim
28 words
POLYVINYL CHLORIDE CONTAINING A HEAT STABILIZINF AMOUNT OF AN N-(3,5-DIALKYL-2,5-CYCLOHEXADIENE-4-ONE-1YLIDENE-METHYL) MALEIMIDE IN WHICH THE ALKYL RADICALS IN THE 3 AND 5 POSITIONS HAVE 1 TO 8 CARBON ATOMS.
Claim 4
Dependent Claim
28 words
POLYVINYL CHLORIDE CONTAINING A HEAT STABILIZINF AMOUNT OF AN N-(3,5-DIALKYL-2,5-CYCLOHEXADIENE-4-ONE-1YLIDENE-METHYL) MALEIMIDE IN WHICH THE ALKYL RADICALS IN THE 3 AND 5 POSITIONS HAVE 1 TO 8 CARBON ATOMS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |