US3256363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polypropylene blends containing dye modifiers consisting of alkali metal sulfonates of phenoxyalkoxyphenyldicarboxylic acid and 9, 9-di-(carboxyalkyl)-fluorenes and their low molecular weight polyesters
Assignee: Union Carbide Corp
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Filing: 1962-04-23
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Granted: 1966-06-14
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Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 Christian F Horn
- 👤 Harrison S Kincaid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:15
CPC Classifications
C; C07; C07C; C07C309/00; C08; C08G; C08G63/00; C08G63/68; C08G63/688; C08G63/6884; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; C08L; C08L23/00; C08L23/02; C08L23/10; C08L67/00; C08L67/02; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/18; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A COMPOSITION COMPRISING A BLEND OF (A) FROM ABOUT 70 TO 99 PERCENT BY WEIGHT OF A SOLID POLYPROPYLENE AND (B) FROM ABOUT 1 TO 30 PERCENT BY WEIGHT OF A MODIFIER, SAID MODIFIER BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SULFONATES OF THE PHENOXYALKOXYPHENYLDICARBOXYLIC ACID COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
54 words
A COMPOSITION COMPRISING A BLEND OF (A) FROM ABOUT 70 TO 99 PERCENT BY WEIGHT OF A SOLID POLYPROPYLENE AND (B) FROM ABOUT 1 TO 30 PERCENT BY WEIGHT OF A MODIFIER, SAID MODIFIER BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SULFONATES OF THE PHENOXYALKOXYPHENYLDICARBOXYLIC ACID COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
BE549179A
Cited
US3003845A
Cited
US3096358A
Cited
US3077493A
Cited
US3164570A
Cited
US3164566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |