US2862575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A method for the separation of diborane from a gaseous mixture
Assignee: Olin Corp
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Filing: 1956-07-09
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Granted: 1958-12-02
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Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Birdwhistell
- 👤 Ralph E Johnson
- 👤 Laurence L Quill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:26
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/22; C; C01; C01B; C01B3/00; C01B3/50; C01B3/501; C01B6/00; C01B6/34; C01B2203/00; C01B2203/04; C01B2203/0405; C01B2203/0465
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A METHOD FOR THE SEPARATION OF DIBORANE FROM A ASEOUS MIXTURE CONSISTING ESSENTIALLY OF DIBORANE AND AT LEAST ONE OF THE GASES HYDROGEN AND NITROGEN WHICH COMPRISES DIFFUSING THE MIXTURE THROUGH A METHYL SILICONE RUBBER MEMBRANE WHEREBY A GASEOUS PRODUCT ENRICHED IN DIBORANE CONTENT IS PRODUCED.
Claim 2
Independent Claim
46 words
A METHOD FOR THE SEPARATION OF DIBORANE FROM A ASEOUS MIXTURE CONSISTING ESSENTIALLY OF DIBORANE AND AT LEAST ONE OF THE GASES HYDROGEN AND NITROGEN WHICH COMPRISES DIFFUSING THE MIXTURE THROUGH A METHYL SILICONE RUBBER MEMBRANE WHEREBY A GASEOUS PRODUCT ENRICHED IN DIBORANE CONTENT IS PRODUCED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |