US2928758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating process
Assignee: West Point Manufacturing Co
•
Filing: 1958-12-12
•
Granted: 1960-03-15
•
Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 Howard M Waddle
- 👤 James F Cotton
- 👤 Jr Richard E Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:42
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2861; Y10T442/2869
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A PROCESS FOR CONTROLLING THE ODOR OF A CURED, ALDEHYDE RESIN-TREATED FILAMENTARY OR SHEET MATERIAL INVOLVING THE STEPS OF IMPREGNATING SAID MATERIAL WITH A COMPOUND SUPPLYING THE HSO3-ION SUBSEQUENT TO CURING OF SAID ALDEHYDE RESIN FOLLOWED BY DRYING IN THE PRESENCE OF SAID HSO3-ION, THE IMPROVEMENT WHICH COMPRISES IMPREGNATING SAID MATERIAL WITH THE HSO3-ION, AFTER APPICATION AND CURING OF THE RESIN, IN THE PRESENCE OF A VOLATILE, WATER-SOLUBLE ALKALINE AGENT IN SUFFICIENT AMOUNT TO MAINTAIN A PH OF BETWEEN 6 AND 12 DURING SAID IMPREGNATION STEP WHEREBY THE EFFECTIVENESS OF SAID HSO3ION IN CONTROLLING OROR IS INCREASED.
Claim 2
Dependent Claim
98 words
IN A PROCESS FOR CONTROLLING THE ODOR OF A CURED, ALDEHYDE RESIN-TREATED FILAMENTARY OR SHEET MATERIAL INVOLVING THE STEPS OF IMPREGNATING SAID MATERIAL WITH A COMPOUND SUPPLYING THE HSO3-ION SUBSEQUENT TO CURING OF SAID ALDEHYDE RESIN FOLLOWED BY DRYING IN THE PRESENCE OF SAID HSO3-ION, THE IMPROVEMENT WHICH COMPRISES IMPREGNATING SAID MATERIAL WITH THE HSO3-ION, AFTER APPICATION AND CURING OF THE RESIN, IN THE PRESENCE OF A VOLATILE, WATER-SOLUBLE ALKALINE AGENT IN SUFFICIENT AMOUNT TO MAINTAIN A PH OF BETWEEN 6 AND 12 DURING SAID IMPREGNATION STEP WHEREBY THE EFFECTIVENESS OF SAID HSO3ION IN CONTROLLING OROR IS INCREASED.
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) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |