US3697627A
Expired / Lapsed
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Polymercapto polyphosphonites
Assignee: Borg Warner Corp
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Filing: 1969-07-22
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Granted: 1972-10-10
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Expires: 1989-07-22
Abstract
Abstract Compounds are prepared of the formula WHERE N IS AN INTEGER OF 1 TO 10, Y is oxygen or sulfur, R1 and R2 are alkyl, haloalkyl, aryl, haloaryl, alkenyl, aralkyl, haloalkenyl or cycloalkyl and R is a divalent aromatic, aliphatic or cycloaliphatic group. The compounds are useful as stabilizers.
Inventors
- 👤 Kenneth Rattenbury
- 👤 Millard S Larrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:29
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/48; C08; C08G; C08G79/00; C08G79/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
13 words
A compound according to claim 1 wherein R is hydrocarbon, oxahydrocarbon or thiohydrocarbon.
Claim 2
Dependent Claim
10 words
A compound according to claim 2 where Y is oxygen.
Claim 3
Dependent Claim
10 words
A compound according to claim 2 where Y is sulfur.
Claim 4
Dependent Claim
61 words
A compound according to claim 2 wherein R1 and R2 are alkyl of one to 20 carbon atoms, phenyl, alkylphenyl having up to 12 carbon atoms in the alkyl group, halophenyl where the halogen has an atomic weight of 35 to 80, alkenyl of three to 18 carbon atoms, benzyl or cycloalkyl having five to six carbon atoms in the ring.
Claim 5
Dependent Claim
20 words
A compound according to claim 5 wherein R is alkylene of at least two carbon atoms, cycloalkylene, phenylene or naphthylene.
Claim 6
Dependent Claim
10 words
A compound according to claim 6 wherein R is menthylene.
Claim 7
Dependent Claim
10 words
A compound according to claim 6 wherein n is 1.
Claim 8
Dependent Claim
10 words
A compound according to claim 8 wherein R is alkylene.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |