US4063367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for drying liquid from a liquid-solid composite and sealing the remaining solid material
Assignee: Individual
•
Filing: 1975-09-29
•
Granted: 1977-12-20
•
Expires: 1995-09-29
Abstract
Abstract A liquid-solid composite which may be biologically active is placed in a container and subjected to passage of relatively high velocity dry air over the surface of the composite to remove moisture therefrom, thereafter the container is subjected to vacuum to remove any residual moisture and then subjected to an inert atmosphere, and sealed therein.
Inventors
- 👤 Leon Talalay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:01
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/02; F26B3/04; F26B5/00; F26B5/04; F26B5/042
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
73 words
A method of drying liquid from a liquid-solid composite in a round container comprising the step of directing a relatively high velocity stream of dry air over said container in a housing substantially parallel to the surface of the liquid in said container to create a vortex in said container and reduce the pressure in said container while maximizing the area of the exposed liquid to thereby evaporate the liquid from said container.
Claim 2
Independent Claim
73 words
A method of drying liquid from a liquid-solid composite in a round container comprising the step of directing a relatively high velocity stream of dry air over said container in a housing substantially parallel to the surface of the liquid in said container to create a vortex in said container and reduce the pressure in said container while maximizing the area of the exposed liquid to thereby evaporate the liquid from said container.
Claim 3
Dependent Claim
25 words
The method of claim 1 further comprising vibrating said container to produce a wave pattern in the liquid simultaneously with the passage of air thereover.
Claim 4
Independent Claim
67 words
A method of drying moisture from a biologically active liquid-solid composite which comprises the steps of filling a container with the composite, subjecting said container to vibration to increase the effective surface area of liquid therein, directing dry air over the liquid substantially parallel to the surface of the liquid in said container while it is subjected to vibration, and thereafter subjecting the container to a vacuum.
Claim 5
Independent Claim
67 words
A method of drying moisture from a biologically active liquid-solid composite which comprises the steps of filling a container with the composite, subjecting said container to vibration to increase the effective surface area of liquid therein, directing dry air over the liquid substantially parallel to the surface of the liquid in said container while it is subjected to vibration, and thereafter subjecting the container to a vacuum.
Claim 6
Dependent Claim
34 words
The method of claim 3 including the further step of subjecting the container to an inert atmosphere at a pressure slightly greater than normal atmospheric pressure, and sealing said container in the inert atmosphere.
Claim 7
Independent Claim
65 words
A method of sealing a dry biologically active substance in a container where the container has a surface surrounding a well in which the substance resides, comprising the steps of subjecting said container to a vacuum in a chamber, then pressuring said chamber with an inert gas slightly above atmospheric pressure, adhering flexible sealing sheet to said surface, and removing said container from said chamber.
Claim 8
Independent Claim
65 words
A method of sealing a dry biologically active substance in a container where the container has a surface surrounding a well in which the substance resides, comprising the steps of subjecting said container to a vacuum in a chamber, then pressuring said chamber with an inert gas slightly above atmospheric pressure, adhering flexible sealing sheet to said surface, and removing said container from said chamber.
Claim 9
Dependent Claim
20 words
The method of claim 5 where said container comprises a plurality of aligned wells depending from an upper planar surface.
Claim 10
Independent Claim
66 words
A method of drying moisture from a biologically active liquid-solid composite which comprises the steps of filling a round container with the composite, subjecting said container to vibration to increase the effective surface area of liquid therein, directing dry air over the liquid substantially parallel to the surface thereof while it is subjected to vibration, thereafter subjecting the container to a vacuum, and sealing said container.
Claim 11
Independent Claim
66 words
A method of drying moisture from a biologically active liquid-solid composite which comprises the steps of filling a round container with the composite, subjecting said container to vibration to increase the effective surface area of liquid therein, directing dry air over the liquid substantially parallel to the surface thereof while it is subjected to vibration, thereafter subjecting the container to a vacuum, and sealing said container.
Claim 12
Dependent Claim
34 words
The method of claim 7 including the further step of subjecting the container to an atmosphere of an inert gas prior to sealing said container whereby the container is sealed with inert gas therein.
Claim 13
Independent Claim
62 words
A method of sealing a dry biologically active substance in a container where the container has a surface surrounding a well in which the substance resides, comprising the steps of subjecting said container to a vacuum in a chamber, then introducing as inert gas into said chamber, adhering a flexible sealing sheet to said surface, and removing said container from said chamber.
Claim 14
Independent Claim
62 words
A method of sealing a dry biologically active substance in a container where the container has a surface surrounding a well in which the substance resides, comprising the steps of subjecting said container to a vacuum in a chamber, then introducing as inert gas into said chamber, adhering a flexible sealing sheet to said surface, and removing said container from said chamber.
Claim 15
Independent Claim
94 words
A method of drying liquid from a liquid-solid composite in a round container comprising the steps of providing said container with the composite therein, providing an elongated housing member, moving said container along the length of said housing member while directing a relatively high velocity stream of dry air through said housing member substantially parallel to the surface of the liquid over said container in said housing to create a vortex in said container and reduce the pressure therein while maximizing the area of exposed liquid to thereby evaporate the liquid from said container.
Claim 16
Independent Claim
94 words
A method of drying liquid from a liquid-solid composite in a round container comprising the steps of providing said container with the composite therein, providing an elongated housing member, moving said container along the length of said housing member while directing a relatively high velocity stream of dry air through said housing member substantially parallel to the surface of the liquid over said container in said housing to create a vortex in said container and reduce the pressure therein while maximizing the area of exposed liquid to thereby evaporate the liquid from said container.
Claim 17
Dependent Claim
16 words
The method of claim 10 including the further step of vibrating said container in said housing.
Claim 18
Dependent Claim
33 words
The method of claim 11 comprising the further step of introducing said container to an atmosphere of a gas of less than atmospheric pressure upon exit from said housing, and sealing said container.
Claim 19
Dependent Claim
34 words
The method of claim 16 including the further step of subjecting the container to an atmosphere of an inert gas prior to sealing said container whereby the container is sealed with inert gas therein.
Claim 20
Dependent Claim
30 words
The method of claim 13 wherein said container comprises a tray having a multiplicity of round wells therein with a common surface surrounding said wells, said wells containing said composite.
Claim 21
Dependent Claim
27 words
The method of claim 14 comprising the further step of applying a single sealing member to said common surface to seal all of said multiplicity of wells.
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) | 1980-12-19 | 1981-06-20 | 1981-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-19 | 1985-06-20 | 1985-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-19 | 1989-06-20 | 1989-12-20 | $7700.00 | Window Closed / Lapsed |