Patent US2240918A successfully refreshed from Google Patents.
US4232146A
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Process for preparing layered organophosphorus inorganic polymers
Assignee: Occidental Research Corp
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Filing: 1978-09-26
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Granted: 1980-11-04
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Expires: 1998-09-26
Abstract
Abstract Organophosphorus acid compounds react by a metathesis reaction in a liquid media with tetravalent metal ions to yield layered crystalline to amorphous inorganic polymers having the empirical formula M(O 3 PR) 2 where M is the tetravalent metal and R is an organic group covalently bonded to phosphorus.
Inventors
- 👤 Peter M. Di Giacomo
- 👤 Martin B. Dines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:34
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/14; B; B01; B01J; B01J20/00; B01J20/22; B01J20/223; B01J31/00; B01J31/16; B01J31/1691; C07; C07F; C07F9/00; C07F9/02; B01J2231/00; B01J2231/10; B01J2231/12; B01J2231/70; B01J2531/00; B01J2531/30; B01J2531/38; B01J2531/39; B01J2531/40; B01J2531/44; B01J2531/46; B01J2531/48
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
112 words
A process for the production of phosphous containing organo substituted inorganic polymers which comprises reacting in a liquid medium at least one organophosphorus acid compound of the formula: [(HO).sub.2 OP].sub.n R wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus and phosphorus is linked to the tetravalent metal through oxygen.
Claim 2
Dependent Claim
112 words
A process for the production of phosphous containing organo substituted inorganic polymers which comprises reacting in a liquid medium at least one organophosphorus acid compound of the formula: [(HO).sub.2 OP].sub.n R wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus and phosphorus is linked to the tetravalent metal through oxygen.
Claim 3
Dependent Claim
24 words
A process as claimed in claim 1 in which the liquid medium is a liquid medium in which the organophosphorus acid compound is formed.
Claim 4
Dependent Claim
14 words
A process as claimed in claim 1 in which the liquid medium is water.
Claim 5
Dependent Claim
29 words
A process as claimed in claim 1 in which the molar ratio of phosphorus to tetravalent metal ion in the liquid medium is in excess of 2 to 1.
Claim 6
Dependent Claim
34 words
A process as claimed in claim 1 in which there is present for reaction with the tetravalent metal ion an acid selected from the group consisting of phosphorous acid, phosphoric acid and mixtures thereof.
Claim 7
Dependent Claim
29 words
A process as claimed in claim 1 in which the formed inorganic polymer is semi-crystalline and in which the reactants are refluxed to increase crystallinity of the inorganic polymer.
Claim 8
Dependent Claim
26 words
A process as claimed in claim 1 in which the reaction is carried out in the presence of a sequestering agent for the tetravalent metal ion.
Claim 9
Dependent Claim
27 words
A process as claimed in claim 6 in which a sequestering agent for the tetravalent metal ion is present during formation of the inorganic polymer and reflux.
Claim 10
Dependent Claim
26 words
A process as claimed in claim 1 in which the reaction is carried out at a temperature up to the boiling point of the liquid medium.
Claim 11
Dependent Claim
23 words
A process as claimed in claim 1 in which the reaction is carried out at a temperature from ambient to about 150° C.
Claim 12
Dependent Claim
23 words
A process as claimed in claim 1 in which the reaction is carried out at a temperature from ambient to about 100° C.
Claim 13
Dependent Claim
18 words
A process as claimed in claim 1 in which the organophosphorus acid compound comprises an organo phosphonic acid.
Claim 14
Dependent Claim
19 words
A process as claimed in claim 1 in which the organophosphorus acid compound comprises a monoester of phosphoric acid.
Claim 15
Dependent Claim
114 words
A process for the production of inorganic phosphonate polymers which comprises reacting in a liquid medium at least one phosphonic acid compound of the formula: [(HO).sub.2 OP].sub.n R wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus through carbon with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic phosphonate polymer in which the molar ratio of phosphorous to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus through carbon and phosphorus is linked to the tetravalent metal through oxygen.
Claim 16
Dependent Claim
114 words
A process for the production of inorganic phosphonate polymers which comprises reacting in a liquid medium at least one phosphonic acid compound of the formula: [(HO).sub.2 OP].sub.n R wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus through carbon with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic phosphonate polymer in which the molar ratio of phosphorous to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus through carbon and phosphorus is linked to the tetravalent metal through oxygen.
Claim 17
Dependent Claim
24 words
A process as claimed in claim 14 in which the liquid medium is a liquid medium in which the phosphonic acid compound is formed.
Claim 18
Dependent Claim
14 words
A process as claimed in claim 14 in which the liquid medium is water.
Claim 19
Dependent Claim
29 words
A process as claimed in claim 14 in which the molar ratio of phosphorus to tetravalent metal ion in the liquid medium is in excess of 2 to 1.
Claim 20
Dependent Claim
34 words
A process as claimed in claim 14 in which there is present for reaction with the tetravalent metal ion an acid selected from the group consisting of phosphorous acid, phosphoric acid and mixtures thereof.
Claim 21
Dependent Claim
30 words
A process as claimed in claim 14 in which the formed inorganic phosphonate polymer is semi-crystalline and in which the reactants are refluxed to increase crystallinity of the inorganic polymers.
Claim 22
Dependent Claim
26 words
A process as claimed in claim 14 in which the reaction is carried out in the presence of a sequestering agent for the tetravalent metal ion.
Claim 23
Dependent Claim
28 words
A process as claimed in claim 19 in which a sequestering agent for the tetravalent metal ion is present during formation of the inorganic phosphonate polymer and reflux.
Claim 24
Dependent Claim
26 words
A process as claimed in claim 14 in which the reaction is carried out at a temperature up to the boiling point of the liquid medium.
Claim 25
Dependent Claim
23 words
A process as claimed in claim 14 in which the reaction is carried out at a temperature from ambient to about 150° C.
Claim 26
Dependent Claim
23 words
A process as claimed in claim 14 in which the reaction is carried out at a temperature from ambient to about 100° C.
Claim 27
Dependent Claim
10 words
Inorganic organophosphonate polymers prepared by the process of claim 14.
Claim 28
Dependent Claim
119 words
A process for the production of phosphorus containing organo substituted inorganic polymers which comprises reacting in a liquid medium at least one monoester of phosphoric acid having the formula: [(HO).sub.2 OP].sub.n R wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus through an oxygen with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus through an oxygen and phosphorus is linked to the tetravavalent metal through oxygen.
Claim 29
Dependent Claim
119 words
A process for the production of phosphorus containing organo substituted inorganic polymers which comprises reacting in a liquid medium at least one monoester of phosphoric acid having the formula: [(HO).sub.2 OP].sub.n R wherein n is 1 or 2 and R is an organo group covalently coupled to phosphorus through an oxygen with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus through an oxygen and phosphorus is linked to the tetravavalent metal through oxygen.
Claim 30
Dependent Claim
25 words
A process as claimed in claim 26 in which the liquid medium is a liquid medium in which the monoester of phosphoric acid is formed.
Claim 31
Dependent Claim
14 words
A process as claimed in claim 26 in which the liquid medium is water.
Claim 32
Dependent Claim
29 words
A process as claimed in claim 26 in which the molar ratio of phosphorus to tetravalent metal ion in the liquid medium is in excess of 2 to 1.
Claim 33
Dependent Claim
34 words
A process as claimed in claim 26 in which there is present for reaction with the tetravalent metal ion an acid selected from the group consisting of phosphorous acid, phosphoric acid and mixtures thereof.
Claim 34
Dependent Claim
29 words
A process as claimed in claim 26 in which the formed inorganic polymer is semi-crystalline and in which the reactants are refluxed to increase crystallinity of the inorganic polymer.
Claim 35
Dependent Claim
26 words
A process as claimed in claim 26 in which the reaction is carried out in the presence of a sequestering agent for the tetravalent metal ion.
Claim 36
Dependent Claim
27 words
A process as claimed in claim 31 in which a sequestering agent for the tetravalent metal ion is present during formation of the inorganic polymer and reflux.
Claim 37
Dependent Claim
26 words
A process as claimed in claim 26 in which the reaction is carried out at a temperature up to the boiling point of the liquid medium.
Claim 38
Dependent Claim
23 words
A process as claimed in claim 26 in which the reaction is carried out at a temperature from ambient to about 150° C.
Claim 39
Dependent Claim
23 words
A process as claimed in claim 26 in which the reaction is carried out at a temperature from ambient to about 100° C.
Claim 40
Dependent Claim
105 words
A process for the production of phosphorus containing organo substituted inorganic polymers which comprises reacting in a liquid medium at least one organophosphorus acid compound of the formula: (HO).sub.2 OPR wherein R is an organo group covalently coupled to phosphorus with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus and phosphorus is linked to the tetravalent metal through oxygen.
Claim 41
Dependent Claim
105 words
A process for the production of phosphorus containing organo substituted inorganic polymers which comprises reacting in a liquid medium at least one organophosphorus acid compound of the formula: (HO).sub.2 OPR wherein R is an organo group covalently coupled to phosphorus with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus and phosphorus is linked to the tetravalent metal through oxygen.
Claim 42
Dependent Claim
112 words
A process for the production of phosphorus containing organo substituted inorganic polymers which comprises reacting in a liquid medium at least one monoester of phosphoric acid having the formula: (HO).sub.2 OPR wherein R is an organo group covalently coupled to phosphorus through an oxygen with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus through an oxygen and phosphorus is linked to the tetravalent metal through oxygen.
Claim 43
Dependent Claim
112 words
A process for the production of phosphorus containing organo substituted inorganic polymers which comprises reacting in a liquid medium at least one monoester of phosphoric acid having the formula: (HO).sub.2 OPR wherein R is an organo group covalently coupled to phosphorus through an oxygen with at least one tetravalent metal ion selected from the group consisting of zirconium, cerium, thorium, uranium, titanium, lead and mixtures thereof to precipitate, from the liquid medium, a solid inorganic polymer in which the molar ratio of phosphorus to tetravalent metal is about 2 to 1, the organo group is covalently bonded to phosphorus through an oxygen and phosphorus is linked to the tetravalent metal through oxygen.
References Cited (Backward Citations)
US2599807A
Cited
US3179676A
Cited
GB1016821A
Cited
US3234124A
Cited
US3471552A
Cited
US3463835A
Cited
US3654189A
Cited
US3705191A
Cited
US3816518A
Cited
US3940436A
Cited
US4116990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-11-04 | 1984-05-05 | 1984-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-04 | 1988-05-05 | 1988-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-04 | 1992-05-05 | 1992-11-04 | $7700.00 | Window Closed / Lapsed |