Patent US5069694A successfully refreshed from Google Patents.
US5069694A
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Packet for compound treatment of gases
Assignee: Multisorb Technologies Inc
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Filing: 1990-07-02
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Granted: 1991-12-03
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Expires: 2010-07-02
Abstract
Abstract A packet for effecting a compound treatment of gaseous material by desiccation and/or absorption and/or adsorption including a permeable envelope of carbon-loaded sheet material for effecting a first treatment of gaseous material which comes into contact with it, and bulk material in the envelope for effecting a second treatment of the gaseous material which enters the envelope. An envelope fabricated of carbon-loaded paper for receiving a foreign body and adsorbing gases which may deleteriously affect it.
Inventors
- 👤 John S. Cullen
- 👤 Samuel A. Incorvia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:27
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/10; B01D53/04; B01D53/0407; B01D53/26; B01D53/261; B01D2253/00; B01D2253/10; B01D2253/102; B01D2253/104; B01D2253/106; B01D2257/00; B01D2257/80; B01D2257/90; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1303; Y10T428/1307
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
50 words
A packet for effecting a compound treatment of gaseous material comprising a permeable envelope of sheet material, the sheet material having powdered carbon dispersed therein for effecting a first treatment of said gaseous material, and bulk material means in said envelope for effecting a second treatment of said gaseous material.
Claim 2
Dependent Claim
50 words
A packet for effecting a compound treatment of gaseous material comprising a permeable envelope of sheet material, the sheet material having powdered carbon dispersed therein for effecting a first treatment of said gaseous material, and bulk material means in said envelope for effecting a second treatment of said gaseous material.
Claim 3
Dependent Claim
14 words
A packet as set forth in claim 1 wherein said sheet material comprises paper.
Claim 4
Dependent Claim
45 words
A packet as set forth in claim 1 wherein said envelope comprises first and second sheets of said material, a plurality of borders on said first and second sheets of material, and means joining said borders to confine said bulk material means within said envelope.
Claim 5
Dependent Claim
17 words
A packet as set forth in claim 3 wherein said means joining said borders comprises an adhesive.
Claim 6
Dependent Claim
48 words
A packet as set forth in claim 3 wherein said sheet material comprises paper, and wherein said means joining said borders comprises a coating of dots in a dot matrix pattern of heat-fusible plastic, and uncoated portions of said carbon-loaded paper between said dots of said, dot-matrix pattern.
Claim 7
Dependent Claim
33 words
A packet as set forth in claim 1 wherein said permeable envelope comprises a plurality of sides with at least one of said sides containing a plurality of layers of said sheet material.
Claim 8
Dependent Claim
23 words
A packet as set forth in claim 6 wherein said plurality of sides each contain a plurality of layers of said sheet material.
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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) | 1994-12-02 | 1995-06-03 | 1995-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-02 | 1999-06-03 | 1999-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-02 | 2003-06-03 | 2003-12-03 | $7700.00 | Window Closed / Lapsed |