Patent US4303578A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4303578A Expired / Lapsed US ⏱️ 0.0 years remaining

Organo-antimony compounds

Assignee: BASF Corp
•
Filing: 1980-03-27
•
Granted: 1981-12-01
•
Expires: 2000-03-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Organo-antimony compounds of the formula I ##STR1## wherein R is hydrogen or C 1 -C 18 acyl, R' is C 1 -C 20 alkyl or C 1 -C 18 acyl, and X is sulfur or oxygen. The compounds are stabilizers for halogen-containing polymers.

Inventors

  • 👤 Klaus-Peter Michaelis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:43
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/90; C07F9/902; C08; C08K; C08K5/00; C08K5/59

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 37 words
An organo-antimony compound of the formula I ##STR17## wherein R is hydrogen or C 1 -C 18 acyl, R' is C 1 -C 20 alkyl or C 1 -C 18 acyl, and X is sulfur or oxygen.
Claim 2
Dependent Claim 37 words
An organo-antimony compound of the formula I ##STR17## wherein R is hydrogen or C 1 -C 18 acyl, R' is C 1 -C 20 alkyl or C 1 -C 18 acyl, and X is sulfur or oxygen.
Claim 3
Dependent Claim 37 words
A compound of the formula I according to claim 1, wherein R is C 1 -C 18 alkanoyl or acetoacetyl, R' is C 8 -C 20 alkyl or C 8 -C 18 alkanoyl, and X is oxygen.
Claim 4
Dependent Claim 34 words
A compound of the formula I according to claim 1, wherein R is acetyl, propionyl or acetoacetyl, R' is C 8 -C 20 alkyl or C 8 -C 18 alkanoyl, and X is oxygen.
Claim 5
Dependent Claim 44 words
A compound of the formula I according to claim 1, wherein R is acetyl, propionyl or acetoacetyl, R' is alkyl of 8, 10, 12, 14, 16 or 18 carbon atoms, or alkanoyl of 8, 10, 12 or 18 carbon atoms, and X is oxygen.
Claim 6
Dependent Claim 14 words
The compound Sb--(SCH.sub.2 CH(OH)CH.sub.2 O--CH.sub.2 CH(CH.sub.2 CH.sub.3)CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.3).sub.3 according to claim 1.
Claim 7
Dependent Claim 10 words
The compound Sb--(SCH.sub.2 CH(OH)CH.sub.2 O--COC.sub.8-10 H.sub.17-21).sub.3 according to claim 1.
Claim 8
Dependent Claim 7 words
The compound ##STR18## according to claim 1.
Claim 9
Independent Claim 31 words
A method of stabilizing chlorinated polymers which comprises incorporating into said polymer an effective stabilizing amount of a compound of the formula I according to any of claims 1 to 7.
Claim 10
Dependent Claim 20 words
A chlorinated polymer stabilized with an effective stabilizing amount of a compound according to any of claims 1 to 7.

References Cited (Backward Citations)

US2680726A Cited
US3317576A Cited
US3466261A Cited
US4115352A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-11-30 1985-06-01 1985-12-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-11-30 1989-06-01 1989-12-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-11-30 1993-06-01 1993-12-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag