US4117083A
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Process for increasing the reaction rate of UO2 F2
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1976-12-21
•
Granted: 1978-09-26
•
Expires: 1996-12-21
Abstract
Abstract A process for increasing the average reaction rate of reduction of UO 2 F 2 . The UO 2 F 2 is treated with an organic compound which interacts with the UO 2 F 2 . The combination is decomposed to yield UO 2 F 2 in a kinetically reactive state.
Inventors
- 👤 Edward T. Maas, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:19
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/003; C01; C01G; C01G43/00; C01G43/01; C01G43/025; C01G43/04; C01G43/06
Claims Analysis
Total Claims: 50
Claim 1
Independent Claim
479 words
A process for increasing the average reaction rate of reduction of UO 2 F 2 comprising: (a) combining UO 2 F 2 with an organic compound capable of interacting with said UO 2 F 2 to form a reaction product containing from 0.5 to 3.0 moles of said organic compound per mole of UO 2 F 2 , said organic compound selected from the group consisting of amines of generalized formula ##STR29## where at least one of radicals R 1 , R 2 and R 3 is an aliphatic or an aromatic carbon network with carbon numbers of 1 to 6 with the remaining radicals, if any, being H, aliphatic heterocyclic amines of generalized formula ##STR30## where R 4 is H or an aliphatic radical of carbon number of 1 to 4 and n can assume values of 4 to 6 inclusive and R n1 and R n2 are each individually H or methyl, each of R n1 and R n2 being the same or different; aromatic heterocyclic amines of generalized formula ##STR31## where m is an integer of 4 to 6 inclusive and a = 1 when m = 4 or 6 and a = 0 when m = 5, and R 5 is H or aliphatic radical of carbon number 1 to 4 and R m1 is H or methyl, aliphatic amides of formic acid of generalized formula ##STR32## where R 6 and R 7 are each individually H or an aliphatic radical of carbon number 1 to 3, each of R 6 and R 7 being the same or different, alcohols of generalized formula R.sub.8 -- O -- H where R 8 is an aliphatic radical of carbon number 1 to 4 inclusive, sulfides of generalized formula R.sub.9 -- S -- R.sub.10 where R 9 and R 10 are the same or different aliphatic radicals having a carbon number of 1 to 3, aliphatic heterocyclic sulfides of generalized formula ##STR33## where p is an integer between 4 and 6 inclusive and R p1 and R p2 are each individually H or methyl, each of R p1 and R p2 being the same or different, aliphatic heterocyclic sulfoxides of generalized formula ##STR34## where q is an integer of 4 to 6 inclusive and R q1 and R q2 are each individually H or methyl, each of R q1 and R q2 being the same or different, sulfones of generalized formula ##STR35## where R 13 and R 14 are aliphatic radicals of carbon number 1 to 3, aliphatic heterocyclic sulfones of generalized formula ##STR36## where r is an integer of 4 to 6 inclusive and R r1 and R r2 are each individually H or methyl, each of R r1 and R r2 being the same or different, and mixtures thereof, (b) decomposing said reaction product to yield UO 2 F 2 in an increased kinetically reactive state.
Claim 2
Dependent Claim
479 words
A process for increasing the average reaction rate of reduction of UO 2 F 2 comprising: (a) combining UO 2 F 2 with an organic compound capable of interacting with said UO 2 F 2 to form a reaction product containing from 0.5 to 3.0 moles of said organic compound per mole of UO 2 F 2 , said organic compound selected from the group consisting of amines of generalized formula ##STR29## where at least one of radicals R 1 , R 2 and R 3 is an aliphatic or an aromatic carbon network with carbon numbers of 1 to 6 with the remaining radicals, if any, being H, aliphatic heterocyclic amines of generalized formula ##STR30## where R 4 is H or an aliphatic radical of carbon number of 1 to 4 and n can assume values of 4 to 6 inclusive and R n1 and R n2 are each individually H or methyl, each of R n1 and R n2 being the same or different; aromatic heterocyclic amines of generalized formula ##STR31## where m is an integer of 4 to 6 inclusive and a = 1 when m = 4 or 6 and a = 0 when m = 5, and R 5 is H or aliphatic radical of carbon number 1 to 4 and R m1 is H or methyl, aliphatic amides of formic acid of generalized formula ##STR32## where R 6 and R 7 are each individually H or an aliphatic radical of carbon number 1 to 3, each of R 6 and R 7 being the same or different, alcohols of generalized formula R.sub.8 -- O -- H where R 8 is an aliphatic radical of carbon number 1 to 4 inclusive, sulfides of generalized formula R.sub.9 -- S -- R.sub.10 where R 9 and R 10 are the same or different aliphatic radicals having a carbon number of 1 to 3, aliphatic heterocyclic sulfides of generalized formula ##STR33## where p is an integer between 4 and 6 inclusive and R p1 and R p2 are each individually H or methyl, each of R p1 and R p2 being the same or different, aliphatic heterocyclic sulfoxides of generalized formula ##STR34## where q is an integer of 4 to 6 inclusive and R q1 and R q2 are each individually H or methyl, each of R q1 and R q2 being the same or different, sulfones of generalized formula ##STR35## where R 13 and R 14 are aliphatic radicals of carbon number 1 to 3, aliphatic heterocyclic sulfones of generalized formula ##STR36## where r is an integer of 4 to 6 inclusive and R r1 and R r2 are each individually H or methyl, each of R r1 and R r2 being the same or different, and mixtures thereof, (b) decomposing said reaction product to yield UO 2 F 2 in an increased kinetically reactive state.
Claim 3
Dependent Claim
13 words
The process of claim 1 in which said organic compound is an amine.
Claim 4
Dependent Claim
15 words
The process of claim 1 in which said organic compound is an aliphatic heterocyclic amine.
Claim 5
Dependent Claim
15 words
The process of claim 1 in which said organic compound is an aromatic heterocyclic amine.
Claim 6
Dependent Claim
14 words
The process of claim 1 in which said organic compound is an aliphatic amide.
Claim 7
Dependent Claim
13 words
The process of claim 1 in which said organic compound is an alcohol.
Claim 8
Dependent Claim
13 words
The process of claim 1 in which said organic compound is a sulfide.
Claim 9
Dependent Claim
15 words
The process of claim 1 in which said organic compound is an aliphatic heterocyclic sulfide.
Claim 10
Dependent Claim
15 words
The process of claim 1 in which said organic compound is an aliphatic heterocyclic sulfoxide.
Claim 11
Dependent Claim
13 words
The process of claim 1 in which said organic compound is a sulfone.
Claim 12
Dependent Claim
15 words
The process of claim 1 in which said organic compound is an aliphatic heterocyclic sulfone.
Claim 13
Dependent Claim
33 words
The process of claim 1 in which said organic compound is selected from the group consisting of pyridine, 2-picoline, 4-picoline, N,N-dimethylformamide, tetrahydrothiophene, tetramethylenesulfoxide, tetramethylenesulfone, methyl alcohol, ethyl alcohol, n-propylalcohol, aniline, and mixtures thereof.
Claim 14
Dependent Claim
12 words
The process of claim 12 in which said organic compound is pyridine.
Claim 15
Dependent Claim
12 words
The process of claim 12 in which said organic compound is 2-picoline.
Claim 16
Dependent Claim
12 words
The process of claim 12 in which said organic compound is 4-picoline.
Claim 17
Dependent Claim
12 words
The process of claim 12 in which said organic compound is N,N-dimethylformamide.
Claim 18
Dependent Claim
12 words
The process of claim 12 in which said organic compound is tetrahydrothiophene.
Claim 19
Dependent Claim
12 words
The process of claim 12 in which said organic compound is tetramethylenesulfoxide.
Claim 20
Dependent Claim
12 words
The process of claim 12 in which said organic compound is tetramethylenesulfone.
Claim 21
Dependent Claim
13 words
The process of claim 12 in which said organic compound is methyl alcohol.
Claim 22
Dependent Claim
13 words
The process of claim 12 in which said organic compound is ethyl alcohol.
Claim 23
Dependent Claim
13 words
The process of claim 12 in which said organic compound is n-propyl alcohol.
Claim 24
Dependent Claim
12 words
The process of claim 12 in which said organic compound is aniline.
Claim 25
Dependent Claim
497 words
In a process for the production of UO 2 by the reduction of UO 2 F 2 , the improvement which comprises the steps of reacting said UO 2 F 2 with an organic compound to form a reaction product containing from 0.5 to 3.0 moles of said organic compound per mole of UO 2 F 2 and reducing said reaction product with hydrogen at an elevated temperature to yield UO 2 , said organic compound selected from the group consisting of amines of generalized formula ##STR37## where at least one of radicals R 1 , R 2 and R 3 is an aliphatic or an aromatic carbon network with carbon numbers of 1 to 6 with the remaining radicals, if any, being H, aliphatic heterocyclic amines of generalized formula ##STR38## where R 4 is H or an aliphatic radical of carbon number of 1 to 4 and n can assume values of 4 to 6 inclusive and R n1 and R n2 are each individually H or methyl, each of R n1 and R n2 being the same or different, aromatic heterocyclic amines of generalized formula ##STR39## where m is an integer of 4 to 6 inclusive and a = 1 when m = 4 or 6 and a = 0 when m = 5, and R 5 is H or aliphatic radical of carbon number 1 to 4 and R m1 is H or methyl, aliphatic amides of formic acid of generalized formula ##STR40## where R 6 and R 7 are each individually H or an aliphatic radical of carbon number 1 to 3, each of R 6 and R 7 being the same or different, alcohols of generalized formula R.sub.8 -- O -- H where R 8 is an aliphatic radical of carbon number 1 to 4 inclusive, sulfides of generalized formula R.sub.9 -- S -- R.sub.10 where R 9 and R 10 are the same or different aliphatic radicals having a carbon number of 1 to 3, aliphatic heterocyclic sulfides of generalized formula ##STR41## where p is an integer between 4 and 6 inclusive and R p1 and R p2 are each individually H or methyl, each of R p1 and R p2 being the same or different, sulfoxides of generalized formula ##STR42## where R 11 and R 12 are aliphatic radicals of carbon number 1 to 3, aliphatic heterocyclic sulfoxides of generalized formula ##STR43## where q is an integer of 4 to 6 inclusive and R q1 and R q2 are each individually H or methyl, each of R q1 and R q2 being the same or different, sulfones of generalized formula ##STR44## where R 13 and R 14 are aliphatic radicals of carbon number 1 to 3, aliphatic heterocyclic sulfones of generalized formula ##STR45## where r is an integer of 4 to 6 inclusive and R r1 and R r2 are each individually H or methyl, each of R r1 and R r2 being the same or different, and mixtures thereof.
Claim 26
Dependent Claim
497 words
In a process for the production of UO 2 by the reduction of UO 2 F 2 , the improvement which comprises the steps of reacting said UO 2 F 2 with an organic compound to form a reaction product containing from 0.5 to 3.0 moles of said organic compound per mole of UO 2 F 2 and reducing said reaction product with hydrogen at an elevated temperature to yield UO 2 , said organic compound selected from the group consisting of amines of generalized formula ##STR37## where at least one of radicals R 1 , R 2 and R 3 is an aliphatic or an aromatic carbon network with carbon numbers of 1 to 6 with the remaining radicals, if any, being H, aliphatic heterocyclic amines of generalized formula ##STR38## where R 4 is H or an aliphatic radical of carbon number of 1 to 4 and n can assume values of 4 to 6 inclusive and R n1 and R n2 are each individually H or methyl, each of R n1 and R n2 being the same or different, aromatic heterocyclic amines of generalized formula ##STR39## where m is an integer of 4 to 6 inclusive and a = 1 when m = 4 or 6 and a = 0 when m = 5, and R 5 is H or aliphatic radical of carbon number 1 to 4 and R m1 is H or methyl, aliphatic amides of formic acid of generalized formula ##STR40## where R 6 and R 7 are each individually H or an aliphatic radical of carbon number 1 to 3, each of R 6 and R 7 being the same or different, alcohols of generalized formula R.sub.8 -- O -- H where R 8 is an aliphatic radical of carbon number 1 to 4 inclusive, sulfides of generalized formula R.sub.9 -- S -- R.sub.10 where R 9 and R 10 are the same or different aliphatic radicals having a carbon number of 1 to 3, aliphatic heterocyclic sulfides of generalized formula ##STR41## where p is an integer between 4 and 6 inclusive and R p1 and R p2 are each individually H or methyl, each of R p1 and R p2 being the same or different, sulfoxides of generalized formula ##STR42## where R 11 and R 12 are aliphatic radicals of carbon number 1 to 3, aliphatic heterocyclic sulfoxides of generalized formula ##STR43## where q is an integer of 4 to 6 inclusive and R q1 and R q2 are each individually H or methyl, each of R q1 and R q2 being the same or different, sulfones of generalized formula ##STR44## where R 13 and R 14 are aliphatic radicals of carbon number 1 to 3, aliphatic heterocyclic sulfones of generalized formula ##STR45## where r is an integer of 4 to 6 inclusive and R r1 and R r2 are each individually H or methyl, each of R r1 and R r2 being the same or different, and mixtures thereof.
Claim 27
Dependent Claim
13 words
The process of claim 24 in which said organic compound is an amine.
Claim 28
Dependent Claim
15 words
The process of claim 24 in which said organic compound is an aliphatic heterocyclic amine.
Claim 29
Dependent Claim
15 words
The process of claim 24 in which said organic compound is an aromatic heterocyclic amine.
Claim 30
Dependent Claim
14 words
The process of claim 24 in which said organic compound is an aliphatic amide.
Claim 31
Dependent Claim
13 words
The process of claim 24 in which said organic compound is an alcohol.
Claim 32
Dependent Claim
13 words
The process of claim 24 in which said organic compound is a sulfide.
Claim 33
Dependent Claim
15 words
The process of claim 24 in which said organic comound is an aliphatic heterocyclic sulfide.
Claim 34
Dependent Claim
13 words
The process of claim 24 in which said organic compound is a sulfoxide.
Claim 35
Dependent Claim
15 words
The process of claim 24 in which said organic compound is an aliphatic heterocyclic sulfide.
Claim 36
Dependent Claim
13 words
The process of claim 24 in which said organic compound is a sulfone.
Claim 37
Dependent Claim
15 words
The process of claim 24 in which said organic compound is an aliphatic heterocyclic sulfone.
Claim 38
Dependent Claim
35 words
The process of claim 24 in which said organic compound is selected from the group consisting of pyridine, 2-picoline, 4-picoline, dimethylsulfoxide, N,N-dimethylformamide, tetrahydrothiophene, tetramethylenesulfoxide, tetramethylenesulfone, methyl alcohol, ethyl alcohol, n-propyl alcohol, aniline, and mixtures thereof.
Claim 39
Dependent Claim
12 words
The process of claim 36 in which said organic compound is pyridine.
Claim 40
Dependent Claim
12 words
The process of claim 36 in which said organic compound is 2-picoline.
Claim 41
Dependent Claim
12 words
The process of claim 36 in which said organic compound is 4-picoline.
Claim 42
Dependent Claim
12 words
The process of claim 36 in which said organic compound is dimethylsulfoxide.
Claim 43
Dependent Claim
12 words
The process of claim 36 in which said organic compound is N,N-dimethylformamide.
Claim 44
Dependent Claim
12 words
The process of claim 36 in which said organic compound is tetrahydrothiophene.
Claim 45
Dependent Claim
12 words
The process of claim 36 in which said organic compound is tetramethylenesulfoxide.
Claim 46
Dependent Claim
12 words
The process of claim 36 in which said organic compound is tetramethylenesulfone.
Claim 47
Dependent Claim
13 words
The process of claim 36 in which said organic compound is methyl alcohol.
Claim 48
Dependent Claim
13 words
The process of claim 36 in which said organic compound is ethyl alcohol.
Claim 49
Dependent Claim
13 words
The process of claim 36 in which said organic compound is n-propyl alcohol.
Claim 50
Dependent Claim
12 words
The process of claim 36 in which said organic compound is aniline.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-25 | 1982-03-27 | 1982-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-25 | 1986-03-27 | 1986-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-25 | 1990-03-27 | 1990-09-26 | $7700.00 | Window Closed / Lapsed |