US2717196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet wrapping material containing nitro-phenol compound
Assignee: Shell Development Co
•
Filing: 1950-02-25
•
Granted: 1955-09-06
•
Expires: 1970-02-25
Abstract
No abstract record available.
Inventors
- 👤 Wachter Aaron
- 👤 Robert J Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:52
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964; Y10T428/31971; Y10T428/31993; Y10T428/31996
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A CORROSION-INHIBITING WRAPPING MATERIAL COMPRISING A SUBSTANTIALLY SOLID INACTIVE SHEET WRAPPING MATERIAL HAVING ASSOCIATED THEREWITH IN THE SOLID STATE A COMPOUND OF THE GROUP CONSISTING OF NITROPHENOLS AND BASE METAL SALTS THEREOF, SAID NITROPHENOL HAVING A MOLECULAR WEIGHT OF LESS THAN ABOUT 350 AND CONTAINING NO GROUPS OTHER THAN NITRO, HYDROXY AND HYDROCARBYL GROUPS.
Claim 2
Dependent Claim
54 words
A CORROSION-INHIBITING WRAPPING MATERIAL COMPRISING A SUBSTANTIALLY SOLID INACTIVE SHEET WRAPPING MATERIAL HAVING ASSOCIATED THEREWITH IN THE SOLID STATE A COMPOUND OF THE GROUP CONSISTING OF NITROPHENOLS AND BASE METAL SALTS THEREOF, SAID NITROPHENOL HAVING A MOLECULAR WEIGHT OF LESS THAN ABOUT 350 AND CONTAINING NO GROUPS OTHER THAN NITRO, HYDROXY AND HYDROCARBYL GROUPS.
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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) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |