US3051698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose products and process for making same
Assignee: Hubinger Co
•
Filing: 1959-06-22
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Granted: 1962-08-28
•
Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Lee H Elizer
- 👤 Glen C Glasscock
- 👤 John M Seitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:52
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; C; C08; C08B; C08B1/00; C08B3/00; C08B3/22
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
37 words
A PROCESS FOR MAKING A CATIONIC NITROGENATED CELLULOSE PRODUCT WHICH COMPRISES REACTING A CELLULOSIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE, FATTY ACID ESTERS OF CELLULOSE, AND CELLULOSE XANTHATE WITH AN AQUEOUS ALKALINE SOLUTION OF CYANAMIDE.
Claim 2
Dependent Claim
37 words
A PROCESS FOR MAKING A CATIONIC NITROGENATED CELLULOSE PRODUCT WHICH COMPRISES REACTING A CELLULOSIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE, FATTY ACID ESTERS OF CELLULOSE, AND CELLULOSE XANTHATE WITH AN AQUEOUS ALKALINE SOLUTION OF CYANAMIDE.
Claim 3
Dependent Claim
32 words
THE CATIONIC, NITROGENATED REACTION PRODUCT OF A CELLULOSIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE, THE FATTY ACID ESTERS OF CELLULOSE, AND CELLULOSE XANTHATE AND AN AQUEOUS ALKALINE SOLUTION OF CYANAMIDE.
Claim 4
Dependent Claim
32 words
THE CATIONIC, NITROGENATED REACTION PRODUCT OF A CELLULOSIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE, THE FATTY ACID ESTERS OF CELLULOSE, AND CELLULOSE XANTHATE AND AN AQUEOUS ALKALINE SOLUTION OF CYANAMIDE.
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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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |