US3892709A
Expired / Lapsed
US
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Aldehyde-polyamine or aldehyde-polyamine- aromatic compound condensation resin adsorbent for heavy metals and heavy metallic compounds
Assignee: Nippon Soda Co Ltd
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Filing: 1973-12-14
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Granted: 1975-07-01
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Expires: 1993-12-14
Abstract
Abstract This invention relates to novel aldehyde-polyamine or aldehydepolyamine-aromatic comdensation resin adsorbents for heavy metals and heavy metallic compounds.
Inventors
- 👤 Nakaaki Oda
- 👤 Shozo Iwasa
- 👤 Mitsuru Idohara
- 👤 Yoshio Horie
- 👤 Takeo Fukui
- 👤 Naomichi Takasaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:42
CPC Classifications
C; C08; C08G; C08G16/00; C08G16/02; B; B01; B01D; B01D15/00; B01J; B01J20/00; B01J20/22; B01J20/30; B01J20/32; B01J20/3202; B01J20/3204; B01J20/3231; B01J20/3242; B01J20/3244; B01J20/3246; B01J20/3248; B01J20/3251; B01J20/3265; C01; C01B; C01B17/00; C01B17/69; C01B17/90; C01B7/00; C01B7/01; C01D; C01D1/00; C01D1/04; C01D1/28; C01D1/32; C02; C02F; C02F1/00; C02F1/28; C02F1/285; C08G12/00; C08G12/02; C08G12/04; C08G14/00; C08G14/02; C08G14/04; C08G14/06
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
46 words
A POWDER CEMENT COMPOSITION FOR FIXING HEAVY METALS OR HEAVY METALLIC COMPOUNDS, WHICH COMPRISES 99.9 TO 50% OF CEMENT AND 0.1 TO 50% OF AN ADSORBENT PREPARED BY A REACTION BETWEEN AN ALDEHYDE AND A POLYAMINE SELECTED FROM THE GROUP CONSISTING OF THIOUREA AND RUBEANIC ACID.
Claim 2
Dependent Claim
46 words
A POWDER CEMENT COMPOSITION FOR FIXING HEAVY METALS OR HEAVY METALLIC COMPOUNDS, WHICH COMPRISES 99.9 TO 50% OF CEMENT AND 0.1 TO 50% OF AN ADSORBENT PREPARED BY A REACTION BETWEEN AN ALDEHYDE AND A POLYAMINE SELECTED FROM THE GROUP CONSISTING OF THIOUREA AND RUBEANIC ACID.
Claim 3
Dependent Claim
47 words
A composition as claimed in claim 1, wherein said aldehyde and polyamine are additionally reacted with an aromatic compound having at least one radical selected from the group consisting of -OH, -SH, ''NH2, -COOH and -COOMe (wherein Me represents sodium, potassium or a half atom of calcium).
Claim 4
Dependent Claim
18 words
A composition as claimed in claim 1 having therein a functional radical selected from the group consisting of
Claim 5
Dependent Claim
18 words
A composition as claimed in claim 1 having therein a functional radical selected from the group consisting of
Claim 6
Dependent Claim
76 words
A cement composition for fixing metals or heavy metallic compounds, which comprises 99.9 to 50% of cement and 0.1 to 50% of an adsorbent comprising a carrier having more than cm2/g of specific surface and a resin at the ratio of 0.1 to 100% by weight of the carrier, wherein the resin is impregnated in the carrier and prepared by reacting an aldehyde and a polyamine selected from the group consisting of thiourea and rubeanic acid.
Claim 7
Dependent Claim
76 words
A cement composition for fixing metals or heavy metallic compounds, which comprises 99.9 to 50% of cement and 0.1 to 50% of an adsorbent comprising a carrier having more than cm2/g of specific surface and a resin at the ratio of 0.1 to 100% by weight of the carrier, wherein the resin is impregnated in the carrier and prepared by reacting an aldehyde and a polyamine selected from the group consisting of thiourea and rubeanic acid.
Claim 8
Dependent Claim
47 words
A composition as claimed in claim 5, wherein said aldehyde and polyamine are additionally reacted with an aromatic compound having at least one radical selected from the group consisting of -OH, -SH, -NH2, -COOH and -COOMe (wherein Me represents sodium, potassium or a half atom of calcium).
Claim 9
Dependent Claim
18 words
A composition as claimed in claim 5 having therein a functional radical selected from the group consisting of
Claim 10
Dependent Claim
18 words
A composition as claimed in claim 6 having therein a functional radical selected from the group consisting of
Claim 11
Dependent Claim
95 words
A powder cement composition for fixing heavy metals or heavy metallic compounds, which comprises 99.9 to 50% of cement and 0.1 to 50% of an adsorbent prepared by a reaction between an aldehyde and a polyamine compound selected from a group consisting of thiourEa and rubeanic acid or an aldehyde, a polyamine compound selected from a group consisting of thiourea and rubeanic acid, and an aromatic compound having at least one radical selected from the group consisting of -OH, -SH, -NH2, -COOH and -COOMe (wherein Me represents sodium, potassium or a half atom of calcium).
Claim 12
Dependent Claim
95 words
A powder cement composition for fixing heavy metals or heavy metallic compounds, which comprises 99.9 to 50% of cement and 0.1 to 50% of an adsorbent prepared by a reaction between an aldehyde and a polyamine compound selected from a group consisting of thiourEa and rubeanic acid or an aldehyde, a polyamine compound selected from a group consisting of thiourea and rubeanic acid, and an aromatic compound having at least one radical selected from the group consisting of -OH, -SH, -NH2, -COOH and -COOMe (wherein Me represents sodium, potassium or a half atom of calcium).
Claim 13
Dependent Claim
96 words
A powder cement composition for fixing metals or heavy metallic compounds, which comprises 99.9 to 50% of cement and 0.1 to 50% of an adsorbent comprising a carrier having more than cm2/g of specific surface and a resin at the ratio of 0.1 to 100% by weight of the carrier; wherein the resin is impregnated in the carrier and prepared by reacting an aldehyde and a polyamine selected from the group consisting of thiourea and rubeanic acid or an aldehyde, a polyamine selected from the group consisting of thiourea and rubeanic acid and an aromatic compound.
Claim 14
Dependent Claim
96 words
A powder cement composition for fixing metals or heavy metallic compounds, which comprises 99.9 to 50% of cement and 0.1 to 50% of an adsorbent comprising a carrier having more than cm2/g of specific surface and a resin at the ratio of 0.1 to 100% by weight of the carrier; wherein the resin is impregnated in the carrier and prepared by reacting an aldehyde and a polyamine selected from the group consisting of thiourea and rubeanic acid or an aldehyde, a polyamine selected from the group consisting of thiourea and rubeanic acid and an aromatic compound.
Claim 15
Dependent Claim
22 words
A composition claimed in claim 9 wherein the adsorbent is heated at a temperature higher than 130*C for more than 0.5 hours.
Claim 16
Dependent Claim
22 words
A composition claimed in claim 10, wherein the adsorbent is heated at a temperature higher than 130*C for more than 0.5 hours.
Claim 17
Dependent Claim
22 words
A composition claimed in claim 9, wherein the adsorbent is heated at from 140* to 200*C for from 1 to 10 hours.
Claim 18
Dependent Claim
22 words
A composition claimed in claim 10 wherein the adsorbent is heated at from 140* to 200*C for from 1 to 10 hours.
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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) | 1978-06-30 | 1978-12-30 | 1979-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-30 | 1982-12-30 | 1983-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-30 | 1986-12-30 | 1987-07-01 | $7700.00 | Window Closed / Lapsed |