US3607089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature reaction vessel
Assignee: Dow Chemical Co
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Filing: 1969-09-30
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Granted: 1971-09-21
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Expires: 1989-09-30
Abstract
Abstract A miniature reaction vessel is described which is particularly suitable for use in a microcalorimeter wherein reactions may be carried out with minimal vapor space in the vessel. One of the reactants is contained in a frangible vessel which is broken by a gravity-operated trigger mechanism.
Inventors
- 👤 Paul Richard Stoesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:17
CPC Classifications
G; G01; G01N; G01N25/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
13 words
The vessel of claim 1 wherein the housing has a generally cylindrical configuration.
Claim 2
Dependent Claim
17 words
The vessel of claim 2 wherein the vessel support and the rupturing means are generally axially positioned.
Claim 3
Dependent Claim
16 words
The vessel of claim 1 wherein the frangible vessel support means frictionally engages the frangible vessel.
Claim 4
Dependent Claim
14 words
The apparatus of claim 1 including an electrical heater assembly disposed within the housing.
Claim 5
Dependent Claim
18 words
The vessel of claim 1 having a sealable passage means disposed adjacent the second end of the vessel.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |