US5053454A
Expired / Lapsed
US
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Multiple polymer synthesizer
Assignee: SRI International Inc
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Filing: 1989-02-15
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Granted: 1991-10-01
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Expires: 2009-02-15
Abstract
Abstract An apparatus for simultaneously performing a multiplicity of synthesis reactions is disclosed. The synthesizer includes at least one reaction vessel having an access port and a synthesis compartment adjacent the access port. A closable exit channel with an exit port is adjacent the synthesis compartment. The apparatus also includes a base having a plurality of inlets, each of the inlets configured to receive the exit channel of the reaction vessel. A fluid outlet is present that is in communication with the plurality of inlets. A vacuum pump and vacuum line are connected to the fluid outlet for sucking excess reagents and by-products from the reaction vessel. The apparatus further includes a shaker for shaking the reaction vessel while synthesis is proceeding.
Inventors
- 👤 Amrit K. Judd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:15
CPC Classifications
C; C07; C07K; C07K1/00; C07K1/04; C07K1/045; B; B01; B01J; B01J19/00; B01J19/0046; B01J2219/00; B01J2219/00274; B01J2219/00277; B01J2219/00279; B01J2219/00281; B01J2219/00286; B01J2219/00306; B01J2219/00308; B01J2219/00331; B01J2219/00333; B01J2219/00337; B01J2219/00342; B01J2219/00351; B01J2219/00364; B01J2219/00414; B01J2219/00416; B01J2219/00423; B01J2219/00452; B01J2219/00454; B01J2219/00497; B01J2219/00583; B01J2219/00585; B01J2219/0059; B01J2219/00596; B01J2219/00718; B01J2219/0072; B01J2219/00725; C40; C40B; C40B40/00; C40B40/04; C40B40/10; C40B50/00; C40B50/14; C40B60/00; C40B60/14
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
143 words
An apparatus for simultaneously performing a multiplicity of solid phase synthesis chemical reactions, said apparatus comprising: a plurality of reaction vessels, each of said reaction vessels having an access port, each of said reaction vessels including a synthesis compartment in communication with the access port and a closable exit channel in communication with said synthesis compartment and disposed opposite said access port with respect to said synthesis compartment, said closable exit channel with an exit port; a base having a plurality of inlets, each of said inlets configured to receive said exit channel of one said reaction vessel; a fluid outlet connected to said base and in communication through said base with said plurality of inlets; pressure changing means in association with said fluid outlet for changing the pressure in said reaction vessel; and shaking means for shaking each of said reaction vessels.
Claim 2
Independent Claim
143 words
An apparatus for simultaneously performing a multiplicity of solid phase synthesis chemical reactions, said apparatus comprising: a plurality of reaction vessels, each of said reaction vessels having an access port, each of said reaction vessels including a synthesis compartment in communication with the access port and a closable exit channel in communication with said synthesis compartment and disposed opposite said access port with respect to said synthesis compartment, said closable exit channel with an exit port; a base having a plurality of inlets, each of said inlets configured to receive said exit channel of one said reaction vessel; a fluid outlet connected to said base and in communication through said base with said plurality of inlets; pressure changing means in association with said fluid outlet for changing the pressure in said reaction vessel; and shaking means for shaking each of said reaction vessels.
Claim 3
Dependent Claim
16 words
The apparatus of claim 1 wherein said reaction vessel is substantially elongate and circular in cross-section.
Claim 4
Dependent Claim
17 words
The apparatus of claim 1 wherein said reaction vessel includes closing means for closing said access port.
Claim 5
Dependent Claim
18 words
The apparatus of claim 3 wherein said closing means comprises a removable cap for closing said access port.
Claim 6
Dependent Claim
30 words
The apparatus of claim 1 wherein each of said reaction vessels includes a multi-position valve positioned in said closable exit channel for opening and closing off said closable exit channel.
Claim 7
Dependent Claim
12 words
The apparatus of claim 5 wherein said multi-position valve comprises a stopcock.
Claim 8
Dependent Claim
11 words
The apparatus of claim 5 wherein said multi-position valve is automated.
Claim 9
Dependent Claim
55 words
The apparatus of claim 1 wherein each of said reaction vessels includes a porous barrier within said synthesis compartment between said access port and said closable exit channel, said porous barrier sufficiently dense to prevent the escape of material within each of said reaction vessels through said exit port except under conditions of reverse pressure.
Claim 10
Dependent Claim
49 words
The apparatus of claim 1 wherein said base further comprises: a first platform which includes said inlets; a second platform which includes an orifice to which each of said inlets is connected; and guide walls defining a surface of said second platform, said guide walls tapering toward said orifice.
Claim 11
Dependent Claim
38 words
The apparatus of claim 1 wherein said pressure changing means comprises a vacuum pump and a vacuum line connected to said vacuum pump and to said fluid outlet and positioned between said vacuum pump and said fluid outlet.
Claim 12
Dependent Claim
31 words
The apparatus of claim 10 wherein said pressure changing means further comprises a waste disposal container positioned between said vacuum pump and said fluid outlet and connected to said vacuum line.
Claim 13
Independent Claim
213 words
An apparatus for simultaneously performing a multiplicity of solid phase synthesis chemical reactions, said apparatus comprising: a plurality of reaction vessels, each of said reaction vessels having an access port, each of said reaction vessels including a synthesis compartment in communication with the access port and a closable exit channel in communication with said synthesis compartment and disposed opposite said access port with respect to said synthesis compartment, said closable exit channel with an exit port; a base comprising (a) a first platform, said first platform having a plurality of inlets, each of said inlets configured to receive said exit channel of one said reaction vessel, (b) a second platform which includes an orifice to which each of said inlets is connected, (c) guide walls defining a surface of said second platform, said guide walls tapering toward said orifice, (d) a fluid outlet disposed upon said second platform and in communication with said plurality of inlets, and (e) a fluid channel adjacent said fluid outlet, said fluid channel disposed between said orifice and said fluid outlet; a vacuum pump nd a vacuum line connected to said vacuum pump and to said fluid outlet and positioned between said vacuum pump and said fluid outlet; and shaking means for shaking each of said reaction vessels.
Claim 14
Independent Claim
213 words
An apparatus for simultaneously performing a multiplicity of solid phase synthesis chemical reactions, said apparatus comprising: a plurality of reaction vessels, each of said reaction vessels having an access port, each of said reaction vessels including a synthesis compartment in communication with the access port and a closable exit channel in communication with said synthesis compartment and disposed opposite said access port with respect to said synthesis compartment, said closable exit channel with an exit port; a base comprising (a) a first platform, said first platform having a plurality of inlets, each of said inlets configured to receive said exit channel of one said reaction vessel, (b) a second platform which includes an orifice to which each of said inlets is connected, (c) guide walls defining a surface of said second platform, said guide walls tapering toward said orifice, (d) a fluid outlet disposed upon said second platform and in communication with said plurality of inlets, and (e) a fluid channel adjacent said fluid outlet, said fluid channel disposed between said orifice and said fluid outlet; a vacuum pump nd a vacuum line connected to said vacuum pump and to said fluid outlet and positioned between said vacuum pump and said fluid outlet; and shaking means for shaking each of said reaction vessels.
Claim 15
Dependent Claim
16 words
The apparatus of claim 12 wherein said reaction vessel is substantially elongate and circular in cross-section.
Claim 16
Dependent Claim
17 words
The apparatus of claim 12 wherein said reaction vessel includes closing means for closing said access port.
Claim 17
Dependent Claim
18 words
The apparatus of claim 14 wherein said closing means is a removable cap for closing said access port.
Claim 18
Dependent Claim
30 words
The apparatus of claim 12 wherein each of said reaction vessels includes a multi-position valve positioned in said closable exit channel for opening and closing off said closable exit channel.
Claim 19
Dependent Claim
12 words
The apparatus of claim 16 wherein said multi-position valve comprises a stopcock.
Claim 20
Dependent Claim
11 words
The apparatus of claim 16 wherein said multi-position valve is automated.
Claim 21
Dependent Claim
56 words
The apparatus of claim 14 wherein each of said reaction vessels includes a porous barrier within said synthesis compartment between said access port and said closable exit channel, said porous barrier sufficiently dense to prevent the escape of material present within each of said reaction vessels through said exit port except under conditions of reverse pressure.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-09-30 | 1995-04-01 | 1995-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-30 | 1999-04-01 | 1999-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-30 | 2003-04-01 | 2003-10-01 | $7700.00 | Window Closed / Lapsed |