US2543928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing cellulose pellets
Assignee: Olin Industries Inc
•
Filing: 1947-06-19
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Granted: 1951-03-06
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Expires: 1967-06-19
Abstract
No abstract record available.
Inventors
- 👤 Jr John J O'neill
- 👤 Emerald P Reichardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:19
CPC Classifications
C; C08; C08L; C08L1/00; C08L1/02; C08L1/06; B; B29; B29B; B29B9/00; B29C; B29C41/00; B29C41/02; B29C41/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN THE MANUFACTURE OF CELLULOSE PELLETS, THE PROCESS WHICH COMPRISES INTRODUCING DROPS OF CELLULOSE SOLUTION INTO A COAGULATING BATH THROUGH AN INTERMEDIATE LAYER OF LIQUID INERT TO SAID CELLULOSE SOLUTION, AND MAINTAINING THE DROPS OF CELLULOSE SOLUTION IN SAID COAGULATING BATH AT LEAST UNTIL THE CELLULOSE IN THE DROPS IN SUFFICIENTLY COAGULATED TO RETAIN ITS SHAPE IN SUBSEQUENT HANDLING.
Claim 2
Dependent Claim
59 words
IN THE MANUFACTURE OF CELLULOSE PELLETS, THE PROCESS WHICH COMPRISES INTRODUCING DROPS OF CELLULOSE SOLUTION INTO A COAGULATING BATH THROUGH AN INTERMEDIATE LAYER OF LIQUID INERT TO SAID CELLULOSE SOLUTION, AND MAINTAINING THE DROPS OF CELLULOSE SOLUTION IN SAID COAGULATING BATH AT LEAST UNTIL THE CELLULOSE IN THE DROPS IN SUFFICIENTLY COAGULATED TO RETAIN ITS SHAPE IN SUBSEQUENT HANDLING.
References Cited (Backward Citations)
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Cited
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US2301003A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |