US3890277A
Expired / Lapsed
US
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Alkyltin polysulfide thioester stabilized composition
Assignee: Cincinnati Milacron Chemicals Inc
•
Filing: 1974-09-23
•
Granted: 1975-06-17
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Expires: 1994-09-23
Abstract
Abstract Compounds are prepared having the formula:
Inventors
- 👤 Thomas G Kugele
- 👤 Robert E Bresser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:38
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58; C07; C07F; C07F7/00; C07F7/22; C07F7/226
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
10 words
A HALOGEN-CONTAINING POLYMER COMPOSITION CONTAINING A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
10 words
A HALOGEN-CONTAINING POLYMER COMPOSITION CONTAINING A COMPOUND OF THE FORMULA:
Claim 3
Dependent Claim
22 words
A composition according to claim 1 wherein R'' is alkylene of 1 to 2 carbon atoms and n is at least 2.
Claim 4
Dependent Claim
16 words
A composition according to claim 2 wherein R'''' is alkyl of 1 to 18 carbon atoms.
Claim 5
Dependent Claim
14 words
A composition according to claim 3 where n is 2 and m is 1.
Claim 6
Dependent Claim
14 words
A composition according to claim 1 where n is 2 and m is 1.
Claim 7
Dependent Claim
16 words
A composition according to claim 1 wherein x is 2 and n is at least 2.
Claim 8
Dependent Claim
16 words
A composition according to claim 1 where x is 1 and n is at least 2.
Claim 9
Dependent Claim
44 words
A composition according to claim 1 wherein in a portion of the R groups attached to the tin atoms x is 1 and in the remainder of the R groups attached to the tin atoms x is 2 and n is at least 2.
Claim 10
Dependent Claim
35 words
A composition according to claim 1 wherein the compound is bis (methyltin dialkyl mercaptoalkanoate) polysulfide having 2 to 3 sulfur atoms in the polysulfide group and 2 to 3 carbon atoms in the mercaptoalkanoate group.
Claim 11
Dependent Claim
35 words
A composition according to claim 1 wherein the compound is bis (butyltin dialkyl mercaptoalkanoate) polysulfide having 2 to 3 sulfur atoms in the polysulfide group and 2 to 3 carbon atoms in the mercaptoalkanoate group.
Claim 12
Dependent Claim
36 words
A composition according to claim 1 wherein the compound is bis (methyl/dimethyltin mono/di alkyl mercaptoalkanoate) polysulfide having 2 to 3 sulfur atoms in the polysulfide group and 2 to 3 carbon atoms in the mercaptoalkanoate group.
Claim 13
Dependent Claim
36 words
A composition according to claim 1 wherein the compound is bis (butyl/dibutyltin mono/di alkyl mercaptoalkanoate) polysulfide having 2 to 3 sulfur atoms in the polysulfide group and 2 to 3 carbon atoms in the mercaptoalkanoate group.
Claim 14
Dependent Claim
34 words
A composition according to claim 1 wherein the compound is bis (dimethyltin alkylmercaptoalkanoate) polysulfide having 2 to 3 sulfur atoms in the polysulfide group and 2 to 3 carbon atoms in the mercaptoalkanoate group.
Claim 15
Dependent Claim
34 words
A composition according to claim 1 wherein the compound is bis (dibutyltin alkylmercaptoalkanoate) polysulfide having 2 to 3 sulfur atoms in the polysulfide group and 2 to 3 carbon atoms in the mercaptoalkanoate group.
Claim 16
Dependent Claim
36 words
A composition according to claim 1 wherein the halogen containing polymer is selected from the group consisting of vinyl chloride polymers, vinylidine chloride polymers, chlorinated polyethylene, chlorinated rubber, chlorinated polystyrene, chlorinated polyvinyl chloride and rubber hydrochloride.
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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) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |