Patent US3011910A successfully refreshed from Google Patents.
US3011910A
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Method of anchoring a nitrocellulose base surface coating to a cellulose base sheet
Assignee: Olin Corp
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Filing: 1958-11-28
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Granted: 1961-12-05
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Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Hagan Lamont
- 👤 Celentano Vincent Dominic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:20
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J2301/00; C08J2301/02; C08J2301/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
THE METHOD OF ANCHORING A NITROCELLULOS-BASE SURFACE COATING TO A CELLULOSE BASE SHEET WHICH COMPRISES IMPREGNATING SAID BASE SHEET WITH THE REACTION PRODUCT OF FORMALDEHYDE AND POLYMERIZED ETHYLENIMINE, DRYING SAID SHEET AND APPLYING TO THE SURFACES THEREOF A LACQUER COATING HAVING AN ORGANIC ACID CONDENSATION CATALYST AND OVER 30 PERCENT OF NITROCELLULOSE.
Claim 2
Independent Claim
52 words
THE METHOD OF ANCHORING A NITROCELLULOS-BASE SURFACE COATING TO A CELLULOSE BASE SHEET WHICH COMPRISES IMPREGNATING SAID BASE SHEET WITH THE REACTION PRODUCT OF FORMALDEHYDE AND POLYMERIZED ETHYLENIMINE, DRYING SAID SHEET AND APPLYING TO THE SURFACES THEREOF A LACQUER COATING HAVING AN ORGANIC ACID CONDENSATION CATALYST AND OVER 30 PERCENT OF NITROCELLULOSE.
References Cited (Backward Citations)
US2296225A
Cited
US2930106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |