US2870041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preventing aldehyde odors
Assignee: West Point Manufacturing Co
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Filing: 1958-06-02
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Granted: 1959-01-20
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Expires: 1978-06-02
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
2026-10-25 08:11
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M11/00; D06M11/51; D06M11/54; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A PROCESS FOR TREATING FILAMENTARY OR SHEET MATERIAL WITH AN ALDEHYDE RESIN INVOLVING THE STEPS OF APPLYING SAID RESIN TO THE MATERIAL FOLLOWED BY CURING, THE IMPROVEMENT WHEREBY ALDEHYDE ODORS ARE EFFECTIVELY PREVENTED, SAID IMPROVEMENT COMPRISING THE STEPS OF IMPREGNATING SAID MATERIAL WITH A COMPOUND SUPPLYING THE HSO3-ION, AT ANY STAGE IN THE TREATMENT OF SAID MATERIAL FROM APPLICATION OF SAID RESIN UNTIL AFTER CURING THEREOF, AND THEREAFTER DRYING THE MATERIAL AT ELEVATED TEMPERATURE IN THE PRESENCE OF SAID ION, THE AMOUNT OF COMPOUND UTILIZED BEING SUFFCIENT TO REACT WITH ALL FREE AND POTENTIALLY FREE ALDEHYDE IN SAID MATERIAL AND VARYING BETWEEN 0.01 MOL AND 1.0 MOL PER MOL OF ALDEHYDE IN THE RESIN, WHEN SAID COMPOUND IS APPLIED AFTER CURING, AND BEING AT LEAST ONE MOL PER MOL OF ALDEHYDE IN THE RESIN WHEN SAID COMPOUND IS APPLIED PRIOR TO CURING.
Claim 2
Dependent Claim
143 words
IN A PROCESS FOR TREATING FILAMENTARY OR SHEET MATERIAL WITH AN ALDEHYDE RESIN INVOLVING THE STEPS OF APPLYING SAID RESIN TO THE MATERIAL FOLLOWED BY CURING, THE IMPROVEMENT WHEREBY ALDEHYDE ODORS ARE EFFECTIVELY PREVENTED, SAID IMPROVEMENT COMPRISING THE STEPS OF IMPREGNATING SAID MATERIAL WITH A COMPOUND SUPPLYING THE HSO3-ION, AT ANY STAGE IN THE TREATMENT OF SAID MATERIAL FROM APPLICATION OF SAID RESIN UNTIL AFTER CURING THEREOF, AND THEREAFTER DRYING THE MATERIAL AT ELEVATED TEMPERATURE IN THE PRESENCE OF SAID ION, THE AMOUNT OF COMPOUND UTILIZED BEING SUFFCIENT TO REACT WITH ALL FREE AND POTENTIALLY FREE ALDEHYDE IN SAID MATERIAL AND VARYING BETWEEN 0.01 MOL AND 1.0 MOL PER MOL OF ALDEHYDE IN THE RESIN, WHEN SAID COMPOUND IS APPLIED AFTER CURING, AND BEING AT LEAST ONE MOL PER MOL OF ALDEHYDE IN THE RESIN WHEN SAID COMPOUND IS APPLIED PRIOR TO CURING.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |