US3846459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organotin mercaptocarboxylates
Assignee: Cincinnati Milacron Chemicals Inc
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Filing: 1972-10-18
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Granted: 1974-11-05
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Expires: 1992-10-18
Abstract
Abstract There are prepared monohydrocarbyltin mercaptocarboxylates of the formula AND TRIHYDROCARBYLTIN MERCAPTOCARBOXYLATES OF THE FORMULA WHERE R, R1, R2 and R3 are alkyl, aralkyl or aryl, R'' is H, Na, K or N IS 1 TO infinity AND M IS 1 TO 3. The compounds are useful as catalysts in polymerization, e.g. in forming polyesters, and as biocides, e.g. as fungicides and bactericides.
Inventors
- 👤 C Stapfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:58
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2224
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
8 words
A MONOHYDROCARBYL TIN MERCAPTOCARBOXYLATE COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
8 words
A MONOHYDROCARBYL TIN MERCAPTOCARBOXYLATE COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
7 words
A monohydrocarbyltin mercaptocarboxylate compound of the formula:
Claim 4
Dependent Claim
7 words
A monohydrocarbyltin mercaptocarboxylate compound of the formula:
Claim 5
Dependent Claim
20 words
A compound according to claim 1 wherein R is lower alkyl or phenyl and R'' is H, Na, K or
Claim 6
Dependent Claim
13 words
A compound according to claim 3 wherein R'' is H, Na or K.
Claim 7
Dependent Claim
10 words
A compound according to claim 4 wherein R'' is H.
Claim 8
Dependent Claim
22 words
A compound according to claim 5 wherein R is n-butyl, m is 1 and n is an integer of greater than 2.
Claim 9
Dependent Claim
12 words
A compound according to claim 3 wherein m is 1 or 2.
Claim 10
Dependent Claim
16 words
A compound according to claim 1 wherein R is lower alkyl or phenyl and R'' is
Claim 11
Dependent Claim
22 words
A compound according to claim 8 where R is methyl, R'' is tri-n-butyltin, m is 2 and n is greater than 2.
Claim 12
Dependent Claim
26 words
A process for making a compound of claim 1 comprising reacting one mole of RSnOOH with 2 moles of a mercaptoalkanoic acid of the formula HS(CH2)mCOOH.
Claim 13
Dependent Claim
17 words
A process according to claim 10 wherein R1 is H and R is lower alkyl or phenyl.
Claim 14
Dependent Claim
16 words
A compound according to claim 2 wherein R1, R2 and R3 are lower alkyl or phenyl.
Claim 15
Dependent Claim
9 words
A compound according to claim 12 where R'' is
Claim 16
Dependent Claim
21 words
A compound according to claim 13 wherein m is 1 or 2 and R1, R2 and R3 are all lower alkyl.
Claim 17
Dependent Claim
19 words
A compound according to claim 14 wherein m is 1, R'' is butyl and R1, R2, R3 are butyl.
Claim 18
Dependent Claim
20 words
A process of preparing a compound according to claim 13 comprising reacting one mole of a compound having the formula
Claim 19
Dependent Claim
37 words
A process for preparing a compound according to claim 2, wherein R1, R2 and R3 are lower alkyl or phenyl and R'' is H, Na or K comprising reacting one mole of a compound having the formula:
References Cited (Backward Citations)
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US3505370A
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US3697566A
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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) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |