Patent US3919149A successfully refreshed from Google Patents.
US3919149A
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Wax emulsions
Assignee: Mobil Oil AS
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Filing: 1974-04-26
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Granted: 1975-11-11
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Expires: 1994-04-26
Abstract
Abstract Aqueous wax emulsions containing a minor amount of a copolymer of ethylene and acrylic acid, a minor amount of an emulsifier, and water in an amount sufficient to form the emulsion.
Inventors
- 👤 Donald R Cushman
- 👤 John W Schick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:22
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/60; C; C08; C08L; C08L91/00; C08L91/06; C08L91/08; D21H17/20; D21H17/33; D21H17/34; D21H17/35
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
74 words
AN EQUEOUS WAX EMULSION CONTAINING FROM ABOUT 30% TO ABOUT 60%, BY WEIGHT, PARAFFIN WAX FROM ABOUT 0.2% TO 10% OF A COPOLYMER OFF THYLENE AND ACRYLIC ACID HAVING A HARDNESS (ASTM D-5) FROM ABOUT 1 TO ABOUT 5, A VISCOSITY-CPS. (BROOKFIELD) FROM ABOUT 3500 TO ABOUT 80, AND AN ACID NO. FROM ABOUT 30 TO ABOUT 90, A MINOR AMOUNT OF AN EMULSIFER, AND WATER IN AN AMOUNT SUFFICIENT TO FORM THE EMULSION.
Claim 2
Dependent Claim
74 words
AN EQUEOUS WAX EMULSION CONTAINING FROM ABOUT 30% TO ABOUT 60%, BY WEIGHT, PARAFFIN WAX FROM ABOUT 0.2% TO 10% OF A COPOLYMER OFF THYLENE AND ACRYLIC ACID HAVING A HARDNESS (ASTM D-5) FROM ABOUT 1 TO ABOUT 5, A VISCOSITY-CPS. (BROOKFIELD) FROM ABOUT 3500 TO ABOUT 80, AND AN ACID NO. FROM ABOUT 30 TO ABOUT 90, A MINOR AMOUNT OF AN EMULSIFER, AND WATER IN AN AMOUNT SUFFICIENT TO FORM THE EMULSION.
Claim 3
Dependent Claim
28 words
The emulsion of claim 1 wherein said emulsion comprises, by weight, from about 2% to about 10% emulsifier, and water in an amount sufficient to form the emulsion.
Claim 4
Dependent Claim
50 words
The emulsion of claim 1 wherein said emulsion comprises, by weight, from about 40% to about 50% paraffin wax, from about 1% to about 5% of the copolymer of ethylene and acrylic acid, from about 3% to about 6% emulsifier and water in an amount sufficient to form the emulsion.
Claim 5
Dependent Claim
19 words
The emulsion of claim 1 wherein the paraffin wax has a melting point from about 120*F. to about 175*F.
Claim 6
Dependent Claim
20 words
The emulsion of claim 1 wherein the copolymer has a softening point (ASTM E-28) from about 200*F. to about 250*F.
Claim 7
Dependent Claim
22 words
The emulsion of claim 1 wherein the emulsifier is a non-ionic emulsifier comprising a mixture of sorbitan monostearate and polyoxyethylene sorbitan monooleate.
Claim 8
Dependent Claim
26 words
The emulsion of claim 1 wherein the emulsifier is an anionic emulsifier comprising a soap obtained by the reaction of a fatty acid and an alkanolamine.
Claim 9
Dependent Claim
16 words
The emulsion of claim 1 wherein the emulsifier is a cationic emulsifier comprising an amine acetate.
References Cited (Backward Citations)
US3741925A
Cited
US3756973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |