US4358573A
Expired / Lapsed
US
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Waxy maleic anhydride alpha olefin terpolymers
Assignee: SC Johnson Commercial Markets Inc
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Filing: 1981-05-29
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Granted: 1982-11-09
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Expires: 2001-05-29
Abstract
Abstract Terpolymers of maleic anhydride and mixtures of lower alkenes and higher alkenes have waxy properties, yet are readily dispersible and have low viscosities.
Inventors
- 👤 Calvin J. Verbrugge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:17
CPC Classifications
C; C08; C08F; C08F222/00; C08F222/04; C08F222/06
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
41 words
A terpolymer of from about 49-60 mole percent maleic anhydride, from about 10-40 mole percent of at least 1-alkene, having from 4-16 carbon atoms, and from about 40-10 mole percent of at least 1- alkene, having at least 18 carbon atoms.
Claim 2
Dependent Claim
41 words
A terpolymer of from about 49-60 mole percent maleic anhydride, from about 10-40 mole percent of at least 1-alkene, having from 4-16 carbon atoms, and from about 40-10 mole percent of at least 1- alkene, having at least 18 carbon atoms.
Claim 3
Dependent Claim
18 words
The terpolymer of claim 1, having a number average molecular weight within the range of from about 3,000-15,000.
Claim 4
Dependent Claim
26 words
The terpolymer of claim 1, wherein the lower alkene is selected from the group consisting of 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene and mixtures thereof.
Claim 5
Dependent Claim
21 words
The terpolymer of claim 1, wherein the lower 1-alkene is selected from the group consisting of 1-octene, 1-decene and mixtures thereof.
Claim 6
Dependent Claim
16 words
The terpolymer of claim 1, wherein the higher 1-alkene is a mixture of C 30+ 1-alkenes.
Claim 7
Dependent Claim
19 words
The terpolymer of claim 1, wherein the higher alkene is a mixture of 1-alkenes, having from 20-24 carbon atoms.
Claim 8
Dependent Claim
29 words
The terpolymer of claim 1 wherein the composition contains from 49-55 mole percent maleic anhydride, from about 20-40 mole percent lower 1-alkene and from 10-30 mole percent higher 1-alkene.
References Cited (Backward Citations)
US3706704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-11-08 | 1986-05-10 | 1986-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-08 | 1990-05-10 | 1990-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-08 | 1994-05-10 | 1994-11-09 | $7700.00 | Window Closed / Lapsed |