Patent US2548688A successfully refreshed from Google Patents.
US2548688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrocellulose-containing composition and process of preparing same
Assignee: Imperial Chemical Industries Ltd
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Filing: 1948-02-10
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Granted: 1951-04-10
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Expires: 1968-02-10
Abstract
No abstract record available.
Inventors
- 👤 Taylor James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:46
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0008
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
71 words
AN IMPROVED NITROCELLULOSE CONTAINING PREPARATION FOR THE MANUFACTURE OF EXPLOSIVES COMPRISING UNCOLLOIDED LIQUID NITRIC ESTER-SOLUBLE NITROCELLULOSE MOISTENED WITH A SOLUTION COMPRISING AT LEAST 30% BY WEIGHT OF A SUBSTANTIALLY BINARY EUTECTIC MIXTURE OF AMMONIUM NITRATE AND UREA IN AN AQUEOUS ALCOHOLIC SOLVENT, THE SAID SOLVENT BEING SUBSTANTIALLY RICHER IN ALCOHOL THAN IN WATER AND THE AMOUNT OF WATER PRESENT IN THE PREPARATION BEING LESS THAN 20% BY WEIGHT OF THE NITROCELLULOSE.
Claim 2
Dependent Claim
71 words
AN IMPROVED NITROCELLULOSE CONTAINING PREPARATION FOR THE MANUFACTURE OF EXPLOSIVES COMPRISING UNCOLLOIDED LIQUID NITRIC ESTER-SOLUBLE NITROCELLULOSE MOISTENED WITH A SOLUTION COMPRISING AT LEAST 30% BY WEIGHT OF A SUBSTANTIALLY BINARY EUTECTIC MIXTURE OF AMMONIUM NITRATE AND UREA IN AN AQUEOUS ALCOHOLIC SOLVENT, THE SAID SOLVENT BEING SUBSTANTIALLY RICHER IN ALCOHOL THAN IN WATER AND THE AMOUNT OF WATER PRESENT IN THE PREPARATION BEING LESS THAN 20% BY WEIGHT OF THE NITROCELLULOSE.
Claim 3
Dependent Claim
69 words
A PROCESS FOR THE PREPARATION OF AN IMPROVED NITROCELLULOSE CONTAINING COMPOSITION FOR THE MANUFACTURE OF EXPLOSIVES COMPRISING MOISTENING SPIRIT WET UNCOLLOIDED LIQUID NITRIC ESTER-SOLUBLE NITROCELLULOSE WITH AT LEAST 30% BY WEIGHT OF A SOLUTION COMPRISING A SUBSTANTIALLY BINARY EUTECTIC MIXTURE OF AMMONIUM NITRATE AND UREA DISSOLVED IN A SOLUTION COMPRISING WATER, THE AMOUNT OF WATER PRESENT IN THE RESULTING PREPARATION BEING LESS THAN 20% BY WEIGHT OF THE NITROCELLULOSE.
Claim 4
Dependent Claim
69 words
A PROCESS FOR THE PREPARATION OF AN IMPROVED NITROCELLULOSE CONTAINING COMPOSITION FOR THE MANUFACTURE OF EXPLOSIVES COMPRISING MOISTENING SPIRIT WET UNCOLLOIDED LIQUID NITRIC ESTER-SOLUBLE NITROCELLULOSE WITH AT LEAST 30% BY WEIGHT OF A SOLUTION COMPRISING A SUBSTANTIALLY BINARY EUTECTIC MIXTURE OF AMMONIUM NITRATE AND UREA DISSOLVED IN A SOLUTION COMPRISING WATER, THE AMOUNT OF WATER PRESENT IN THE RESULTING PREPARATION BEING LESS THAN 20% BY WEIGHT OF THE NITROCELLULOSE.
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) | 1954-04-09 | 1954-10-09 | 1955-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-09 | 1958-10-09 | 1959-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-09 | 1962-10-09 | 1963-04-10 | $7700.00 | Window Closed / Lapsed |