US3609120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel chemical compounds and stabilized halogen-containing resins
Assignee: Solvay Solutions UK Ltd
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Filing: 1969-02-24
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Granted: 1971-09-28
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Expires: 1989-02-24
Abstract
Abstract This invention is one of novel compounds of the formula WHEREIN R and R'' are hydrocarbons, X is an organic radical such as a hydrocarbon bonded to a tin atom through a sulfur atom and n is an integer of less than 4, and of halogen-containing polymers stabilized against the deteriorative effects of heat by the presence therein of said novel compounds.
Inventors
- 👤 Peter Albert Theodore Hoye
- 👤 Donald Albert Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:34
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: 7
Claim 1
Independent Claim
66 words
The halogen-containing polymer stabilized against the deteriorative effect of heat as claimed in claim 1 wherein said stabilizer is a compound of the formula wherein R and R'' are hydrocarbons and each X is selected from the group consisting of alkyl mercaptol residues, aryl mercaptol residues, thiocarboxylic acid residues, and residues of mercapto substituted carboxylic acid esters bonded to said tin atom through a sulfur atom.
Claim 2
Dependent Claim
24 words
The halogen-containing polymer stabilized against the deteriorative effect of heat as claimed in claim 1 wherein said stabilizer is a compound of the formula
Claim 3
Dependent Claim
24 words
The halogen-containing polymer stabilized against the deleterious effects of heat as claimed in claim 1 wherein said stabilizer is a compound of the formula
Claim 4
Dependent Claim
21 words
The halogen-containing polymer stabilized against the deteriorative effect of heat as claimed in claim 1 wherein said stabilizer is 1,1,3-trisiso-octylthioglycolate 1,3-distann-2-thiane.
Claim 5
Dependent Claim
21 words
The halogen-containing polymer stabilized against the deteriorative effect of heat as claimed in claim 1 wherein said stabilizer is 1,1-di-butyl-3-phenyl-1,3,3-trisiso-octyl-thioglycolate 1,3-distann-2-thiane.
Claim 6
Dependent Claim
21 words
The halogen-containing polymer stabilized against the deteriorative effect of heat as claimed in claim 1 wherein said stabilizer is 1,1di-butyl-3-phenyl-1,3,3-trisiso-octyl-thioglycolate 1,3-distann-2-thiane.
Claim 7
Dependent Claim
21 words
The halogen-containing polymer stabilized against the deteriorative effect of heat as claimed in claim 1 wherein said stabilizer is 1,1-di-octyl-3-n-butyl-1,3,3-trisiso-octyl-thioglycolate 1,3-distann-2-thiane.
References Cited (Backward Citations)
US3398114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |