US3424548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for removing amines from steam vapors
Assignee: American Sterilizer Co
•
Filing: 1965-12-30
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Granted: 1969-01-28
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Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 Donald A Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:15
CPC Classifications
B; B01; B01J; B01J39/00; B01J39/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A METHOD OF REMOVING AMINES FROM STEAM IN THE VAPOR PHASE COMPRISING THE STEP OF BRINGING THE STEAM INTO CONTACT WITH A HYDROUS OXIDE MATERIAL.
Claim 2
Independent Claim
25 words
A METHOD OF REMOVING AMINES FROM STEAM IN THE VAPOR PHASE COMPRISING THE STEP OF BRINGING THE STEAM INTO CONTACT WITH A HYDROUS OXIDE MATERIAL.
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |