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US3758537A Expired / Lapsed US ⏱️ 0.0 years remaining

Bis{8 hydrocarbyl(halo)(mercapto)tin{9 oxide

Assignee: Arkema Inc
•
Filing: 1971-06-24
•
Granted: 1973-09-11
•
Expires: 1991-06-24
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Abstract

Abstract This invention comprises novel compounds of the formula: WHEREIN R and R'' are hydrocarbons and X is halogen, methods of preparing these novel compounds, and polymers stabilized by these novel compounds against the deteriorative effects of heat and light.

Inventors

  • 👤 A Wowk

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:46
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 10 words
The compound claimed in claim 1 wherein R is alkyl.
Claim 2
Dependent Claim 10 words
The compound claimed in claim 1 wherein R is butyl.
Claim 3
Dependent Claim 10 words
The compound claimed in claim 1 wherein R is octyl.
Claim 4
Dependent Claim 10 words
The compound claimed in claim 1 wherein X is chloride.
Claim 5
Dependent Claim 18 words
The compound of claim 1 wherein R and R'' are alkyl of from 1 to 20 carbon atoms.
Claim 6
Dependent Claim 12 words
The compound claimed in claim 1 wherein said compound is bis(monobutylmonochloro-S-hydroxypropylmercaptotin) oxide.
Claim 7
Dependent Claim 12 words
The compound claimed in claim 1 wherein said compound is bis(monobutylmonochloro-S-hydroxyethylmercaptotin) oxide.

References Cited (Backward Citations)

US3293273A Cited
US3396185A Cited
US3413264A Cited
US3478071A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-09-10 1977-03-12 1977-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-09-10 1981-03-12 1981-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-09-10 1985-03-12 1985-09-11 $7700.00 Window Closed / Lapsed

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