US3039905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulosic band structure
Assignee: Individual
•
Filing: 1960-03-01
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Granted: 1962-06-19
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Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Batt Irving Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:58
CPC Classifications
B; B32; B32B; B32B27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A SECONDARY CLOSURE BAND OF REGENERATED CELLULOSE FILM, SAID FILM CONSISTING ESSENTIALLY OF A BOTTOM LAYER OF REGENERATED CELLULOSE FILM HAVING DISTRIBUTED THERETHROUGH ABOUT 20% BY WEIGHT TITANIUM DIOXIDE PIGMENT, BASED ON THE WEIGHT OF CELLULOSE IN SAID BOTTOM LAYER, TO RENDER SAID FILM SUBSTANTIALLY OPAQUE AND AN INTEGERAL TOP LAYER OF TRANSPARENT REGENERATED CELLULOSE FILM CONTAINING FROM 0.25% TO 2.0% BY WEIGHT, BASED ON THE WEIGHT OF THE CELLULOSE IN SAID TOP LAYER. OF 4,4''-(BIS(2-P-ACETYLAMINOPHENYLAMINO-4-DIETHANOLAMINE-1:3:5-TRIAZINYL-(6))) DIAMINO-STILBENE-2:2''-DISULFONIC ACID.
Claim 2
Dependent Claim
78 words
A SECONDARY CLOSURE BAND OF REGENERATED CELLULOSE FILM, SAID FILM CONSISTING ESSENTIALLY OF A BOTTOM LAYER OF REGENERATED CELLULOSE FILM HAVING DISTRIBUTED THERETHROUGH ABOUT 20% BY WEIGHT TITANIUM DIOXIDE PIGMENT, BASED ON THE WEIGHT OF CELLULOSE IN SAID BOTTOM LAYER, TO RENDER SAID FILM SUBSTANTIALLY OPAQUE AND AN INTEGERAL TOP LAYER OF TRANSPARENT REGENERATED CELLULOSE FILM CONTAINING FROM 0.25% TO 2.0% BY WEIGHT, BASED ON THE WEIGHT OF THE CELLULOSE IN SAID TOP LAYER. OF 4,4''-(BIS(2-P-ACETYLAMINOPHENYLAMINO-4-DIETHANOLAMINE-1:3:5-TRIAZINYL-(6))) DIAMINO-STILBENE-2:2''-DISULFONIC ACID.
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |