Patent US4983286A successfully refreshed from Google Patents.
US4983286A
Expired / Lapsed
US
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Sterilizing water-purifying reagent for drink
Assignee: Individual
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Filing: 1989-10-10
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Granted: 1991-01-08
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Expires: 2009-10-10
Abstract
Abstract This invention provides a sterilizing water-purifying reagent for removing muddiness of water to be treated or sterilizing the water to be treated as drinking water in fields or under drinking water shortage environment, and the sterilizing water-purifying reagent comprises an acidic additive containing as main ingredients various types of metal salts and nonmetal salts produced by dissolving vermiculite weathered from mica mineral or soil further weathered from the vermiculite in aqueous inorganic acid solution.
Inventors
- 👤 Jitsuo Inagaki
- 👤 Asao Shimanishi
- 👤 Taisaburo Ono
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:35
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50; C02F1/001; C02F1/002
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
200 words
A portable water purifier for producing drinking water comprising a water purifier body of plastic film or sheet, the body open at the top and formed by heat sealing or high frequency wave sealing of the plastic film or sheet, and a funnel type holder for detachably holding a filter bag connected with the inner periphery of the water purifier body, a filter bag containing filtering material, the filter bag being supported by the funnel type holder, a section of the body above the funnel type holder being a raw water containing chamber and a section of the body below the funnel type holder being a purified water containing chamber, the upper portion of said raw water containing chamber being separated into two chambers including a sterilizing, precipitating and agglomerating chamber and a second chamber by switching means located at the bottom of the sterilizing, precipitating and agglomerating chamber, said switching means for opening and closing the sterilizing, precipitating and agglomerating chamber relative to the second chamber, the sterilizing, precipitating and agglomerating chamber containing a sterilizing water-purifying reagent, and the purified water containing chamber being generally closed and having an openable and closable outlet near the bottom of the chamber.
Claim 2
Dependent Claim
200 words
A portable water purifier for producing drinking water comprising a water purifier body of plastic film or sheet, the body open at the top and formed by heat sealing or high frequency wave sealing of the plastic film or sheet, and a funnel type holder for detachably holding a filter bag connected with the inner periphery of the water purifier body, a filter bag containing filtering material, the filter bag being supported by the funnel type holder, a section of the body above the funnel type holder being a raw water containing chamber and a section of the body below the funnel type holder being a purified water containing chamber, the upper portion of said raw water containing chamber being separated into two chambers including a sterilizing, precipitating and agglomerating chamber and a second chamber by switching means located at the bottom of the sterilizing, precipitating and agglomerating chamber, said switching means for opening and closing the sterilizing, precipitating and agglomerating chamber relative to the second chamber, the sterilizing, precipitating and agglomerating chamber containing a sterilizing water-purifying reagent, and the purified water containing chamber being generally closed and having an openable and closable outlet near the bottom of the chamber.
Claim 3
Dependent Claim
42 words
A portable water purifier according to claim 1, wherein said sterilizing water-purifying reagent includes an acidic additive containing as main ingredients various types of metal salts and nonmetal salts produced by dissolving vermiculite weathered from mica mineral in aqueous inorganic acid solution.
Claim 4
Dependent Claim
36 words
A portable water purifier in accordance with claim 1 further including a hole in the body near the upper portion of the sterilization, precipitating and agglomerating chamber for supporting the water purifier body on an object.
Claim 5
Dependent Claim
33 words
A portable water purifier in accordance with claim 3 wherein the open top of the body includes a second switching means for opening and closing the top of the raw water containing chamber.
Claim 6
Dependent Claim
24 words
A portable water purifier in accordance with claim 4 wherein the filter bag includes filter paper and one or more layers of filter material.
Claim 7
Dependent Claim
34 words
A portable water purifier in accordance with claim 5 wherein the filter material is selected from the group consisting of active charcoal, vermion, silica, alumina, zeolite, china clay, bentonite, kaolin and baked chaff carbon.
Claim 8
Dependent Claim
42 words
A portable water purifier according to claim 6, wherein said sterilizing water-purifying reagent includes an acidic additive containing as main ingredients various types of metal salts and nonmetal salts produced by dissolving vermiculite weathered from mica mineral in aqueous inorganic acid solution.
Claim 9
Dependent Claim
42 words
A portable water purifier according to claim 5, wherein said sterilizing water-purifying reagent includes an acidic additive containing as main ingredients various types of metal salts and nonmetal salts produced by dissolving vermiculite weathered from mica mineral in aqueous inorganic acid solution.
Claim 10
Dependent Claim
33 words
A portable water purifier in accordance with claim 1 wherein the open top of the body includes a second switching means for opening and closing the top of the raw water containing chamber.
Claim 11
Dependent Claim
16 words
A portable water purifier in accordance with claim 1 wherein the filter bag includes filter paper.
Claim 12
Dependent Claim
41 words
A portable water purifier in accordance with claim 10 wherein the filter bag includes one or more layers of filter material selected from the group consisting of active charcoal, vermion, silica, alumina, zeolite, china clay, bentonite, kaolin and baked chaff carbon.
Claim 13
Dependent Claim
42 words
A portable water purifier according to claim 11, wherein said sterilizing water-purifying reagent includes an acidic additive containing as main ingredients various types of metal salts and nonmetal salts produced by dissolving vermiculite weathered from mica mineral in aqueous inorganic acid solution.
Claim 14
Dependent Claim
41 words
A portable water purifier in accordance with claim 1 wherein the filter bag includes one or more layers of filter material selected from the group consisting of active charcoal, vermion, silica, alumina, zeolite, china clay, bentonite, kaolin and baked chaff carbon.
Claim 15
Dependent Claim
21 words
A portable water purifier in accordance with claim 1 wherein the outlet includes a lateral outlet tube with an engaging plug.
Claim 16
Dependent Claim
36 words
A portable water purifier in accordance with claim 14 further including a hole in the body near the upper portion of the sterilizing, precipitating and agglomerating chamber for supporting the water purifier body on an object.
Claim 17
Dependent Claim
33 words
A portable water purifier in accordance with claim 15 wherein the open top of the body includes a second switching means for opening and closing the top of the raw water containing chamber.
Claim 18
Dependent Claim
24 words
A portable water purifier in accordance with claim 16 wherein the filter bag includes filter paper and one or more layers of filter material.
Claim 19
Dependent Claim
33 words
A portable water purifier in accordance with claim 14 wherein the open top of the body includes a second switching means for opening and closing the top of the raw water containing chamber.
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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) | 1994-01-07 | 1994-07-09 | 1995-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-07 | 1998-07-09 | 1999-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-07 | 2002-07-09 | 2003-01-08 | $7700.00 | Window Closed / Lapsed |