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Patent US4329254A successfully refreshed from Google Patents.
US4329254A
Expired / Lapsed
US
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Mercuro-organic bonded phase sorbents
Assignee: Individual
•
Filing: 1980-07-09
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Granted: 1982-05-11
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Expires: 2000-07-09
Abstract
Abstract Organomercuric bonded phase sorbent materials useful for chromatographic separation of a wide variety of compounds are described. Their preparation involves reacting an organic compound chemically bonded to a solid support substrate with a mercury salt.
Inventors
- 👤 Jan Chmielowiec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:01
CPC Classifications
B; B01; B01D; B01D15/00; B01D15/08; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/103; B01J20/281; B01J20/286; B01J20/30; B01J20/32; B01J20/3202; B01J20/3204; B01J20/3214; B01J20/3217; B01J20/3219; B01J20/3231; B01J20/3234; B01J20/3236; B01J20/3242; B01J20/3244; B01J20/3246; B01J20/3248; B01J20/3253; B01J20/3257; B01J20/3261; B01J20/3265; B01D15/26; B01D15/36; B01D15/361; B01J2220/00; B01J2220/50; B01J2220/54; B01J2220/58
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
51 words
A sorbent material for chromatography comprising an organomercuric moiety chemically bonded to a solid support substrate, wherein said organomercuric moiety comprises an organic link and a mercury moiety, wherein the organic link is chemically bonded to the support substrate and to the mercury moiety, said organic link being an aromatic hydrocarbon.
Claim 2
Dependent Claim
51 words
A sorbent material for chromatography comprising an organomercuric moiety chemically bonded to a solid support substrate, wherein said organomercuric moiety comprises an organic link and a mercury moiety, wherein the organic link is chemically bonded to the support substrate and to the mercury moiety, said organic link being an aromatic hydrocarbon.
Claim 3
Dependent Claim
18 words
A sorbent material as in claim 1, wherein the solid support substrate consists of inorganic solid support particles.
Claim 4
Dependent Claim
51 words
A sorbent material for chromatography comprising inorganic solid support particles chemically bonded to an organic link selected from the group consisting of aromatic hydrocarbons, and wherein a mercury salt is chemically bonded to said organic link, said mercury salt being selected from the group consisting of mercury salts of carboxylic acids.
Claim 5
Dependent Claim
51 words
A sorbent material for chromatography comprising inorganic solid support particles chemically bonded to an organic link selected from the group consisting of aromatic hydrocarbons, and wherein a mercury salt is chemically bonded to said organic link, said mercury salt being selected from the group consisting of mercury salts of carboxylic acids.
Claim 6
Dependent Claim
23 words
A sorbent material as in claim 3 wherein the inorganic solid support particles are selected from the group consisting of silica and alumina.
Claim 7
Dependent Claim
30 words
A sorbent material as in claim 1 wherein the mercury moiety is selected from the group consisting of mercury salts of carboxylic acids, mercury sulphate, mercury perchlorate, and mercury nitrate.
Claim 8
Dependent Claim
18 words
A sorbent material as in claim 2, 3 or 4 wherein the inorganic solid support particles are silica.
Claim 9
Dependent Claim
13 words
A sorbent material as in claim 3, wherein said organic link is phenyl.
Claim 10
Dependent Claim
16 words
A sorbent material as in claim 3 or 4 wherein the mercury salt is mercury acetate.
Claim 11
Dependent Claim
24 words
A sorbent material for chromatography comprising silica chemically bonded to an aromatic hydrocarbon wherein mercury acetate is chemically bonded to said aromatic hydrocarbon compound.
Claim 12
Dependent Claim
24 words
A sorbent material for chromatography comprising silica chemically bonded to an aromatic hydrocarbon wherein mercury acetate is chemically bonded to said aromatic hydrocarbon compound.
Claim 13
Dependent Claim
17 words
A sorbent material for chromatography comprising silica chemically bonded to the phenyl moiety of phenyl mercury acetate.
Claim 14
Dependent Claim
17 words
A sorbent material for chromatography comprising silica chemically bonded to the phenyl moiety of phenyl mercury acetate.
Claim 15
Dependent Claim
59 words
A process for preparing sorbent material for chromatography which comprises reacting, at a temperature in the range of from ambient temperature to about 200° C. in the presence of an acid, an aromatic hydrocarbon which is chemically bonded to a solid support substrate with a mercurating agent, to form a bond between the aromatic hydrocarbon and the mercurating agent.
Claim 16
Dependent Claim
59 words
A process for preparing sorbent material for chromatography which comprises reacting, at a temperature in the range of from ambient temperature to about 200° C. in the presence of an acid, an aromatic hydrocarbon which is chemically bonded to a solid support substrate with a mercurating agent, to form a bond between the aromatic hydrocarbon and the mercurating agent.
Claim 17
Dependent Claim
24 words
A method as in claim 11 conducted in a reaction medium selected from the group consisting of aqueous and organic solvents and mixtures thereof.
Claim 18
Dependent Claim
17 words
A method as in claim 11 wherein the solid support substrate consists of inorganic solid support particles.
Claim 19
Dependent Claim
23 words
A method as in claim 11 or 13 wherein the solid support substrate is selected from the group consisting of silica and alumina.
Claim 20
Dependent Claim
31 words
A method as in claim 11 wherein the mercurating agent is selected from the group consisting of mercury salts of carboxylic acids, mercury oxide, mercury sulfate, mercury perchlorate, and mercury nitrate.
Claim 21
Dependent Claim
30 words
A method as in claim 11 conducted in a reaction medium selected from the group consisting of water, methanol, ethanol, propanol, water-alcohol mixtures, esters, nitrobenzene, tetrahydrofuran, dioxane, and mixtures thereof.
Claim 22
Dependent Claim
15 words
A method as in claim 11 or 13, wherein the solid support substrate is silica.
Claim 23
Dependent Claim
15 words
A method as in claim 11 or 15, wherein the mercurating agent is mercury acetate.
Claim 24
Dependent Claim
14 words
A method as in claim 11 or 16, using a nitrobenzene as reaction medium.
Claim 25
Dependent Claim
15 words
A method as in claim 11 wherein the reaction is conducted at about 110° C.
Claim 26
Independent Claim
57 words
A method for preparing sorbent material for chromatography which comprises reacting at about 110° C. an aromatic hydrocarbon which is chemically bonded to silica with mercury acetate in the presence of acetic acid and using nitrobenzene as reaction medium to form a sorbent material wherein the aromatic hydrocarbon is chemically bonded to silica and to mercury acetate.
Claim 27
Independent Claim
57 words
A method for preparing sorbent material for chromatography which comprises reacting at about 110° C. an aromatic hydrocarbon which is chemically bonded to silica with mercury acetate in the presence of acetic acid and using nitrobenzene as reaction medium to form a sorbent material wherein the aromatic hydrocarbon is chemically bonded to silica and to mercury acetate.
Claim 28
Dependent Claim
12 words
A method as in claim 21 wherein the aromatic hydrocarbon is phenyl.
Claim 29
Dependent Claim
12 words
A method as in claim 18, wherein the acid is acetic acid.
Claim 30
Independent Claim
58 words
A method for preparing sorbent material for chromatography comprising reacting, at about 110° C. and in the presence of acetic acid, about 5 parts by weight of silica-phenyl with about 3 parts by weight of mercury acetate using nitrobenzene as the reaction medium to form phenyl mercury acetate, the phenyl moiety of which is chemically bonded to silica.
Claim 31
Independent Claim
58 words
A method for preparing sorbent material for chromatography comprising reacting, at about 110° C. and in the presence of acetic acid, about 5 parts by weight of silica-phenyl with about 3 parts by weight of mercury acetate using nitrobenzene as the reaction medium to form phenyl mercury acetate, the phenyl moiety of which is chemically bonded to silica.
Claim 32
Dependent Claim
14 words
A method as in claim 24, wherein the reaction time is about 6 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) | 1985-05-10 | 1985-11-09 | 1986-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-10 | 1989-11-09 | 1990-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-10 | 1993-11-09 | 1994-05-11 | $7700.00 | Window Closed / Lapsed |