US2735783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose organic ester molded objects
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155; C; C08; C08K; C08K5/00; C08K5/16; C08K5/22; C08K5/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A MOLDED OBJECT COMPOSED OF A CELLULOSE ORGANIC ACID ESTER PLASTIC COMPRISING A CELLULOSE ESTER SELECTED FROM THE GROUP CONSISTING OF CELLULOSE ACETATE, CELLULOSE ACETATEPROPIONATE, AND CELLULOSE ACETATE-BUTYRATE, A PLASTICIZER FOR THE CELLULOSE ESTER, AND, AS A WEATHERING INHIBITOR, FROM 0.1 PART TO 10 PARTS BY WEIGHT, PER 100 PARTS BY WEIGHT OF CELLULOSE ESTER, OF A PHOTOTROPIC AZO DYE SELECTED FROM THE GROUP CONSISTING OF P-PHENYLAZODIPHENYLAMINE, P-(P-DIMETHYLAMINO)PHENYLAZO)ACETANILIDE, P-(O-CHLOROPHENYLAZO)-N-N-DIMETHYLANILINE, 4-(O-CHLOROPHENYLAZO)-NMETHYL-M-TOLUIDINE AND 2.5 - DIMETHOXY - 4 - PHENYLAZOANILINE.
Claim 2
Dependent Claim
78 words
A MOLDED OBJECT COMPOSED OF A CELLULOSE ORGANIC ACID ESTER PLASTIC COMPRISING A CELLULOSE ESTER SELECTED FROM THE GROUP CONSISTING OF CELLULOSE ACETATE, CELLULOSE ACETATEPROPIONATE, AND CELLULOSE ACETATE-BUTYRATE, A PLASTICIZER FOR THE CELLULOSE ESTER, AND, AS A WEATHERING INHIBITOR, FROM 0.1 PART TO 10 PARTS BY WEIGHT, PER 100 PARTS BY WEIGHT OF CELLULOSE ESTER, OF A PHOTOTROPIC AZO DYE SELECTED FROM THE GROUP CONSISTING OF P-PHENYLAZODIPHENYLAMINE, P-(P-DIMETHYLAMINO)PHENYLAZO)ACETANILIDE, P-(O-CHLOROPHENYLAZO)-N-N-DIMETHYLANILINE, 4-(O-CHLOROPHENYLAZO)-NMETHYL-M-TOLUIDINE AND 2.5 - DIMETHOXY - 4 - PHENYLAZOANILINE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |