US3928276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salts of amine-alkylene oxide adducts for preventing sedimentation of pigment suspensions
Assignee: Henkel AG and Co KGaA
•
Filing: 1973-01-29
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Granted: 1975-12-23
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Expires: 1993-01-29
Abstract
Abstract The invention provides a method of using salts of tertiary and/or quaternary amine-alkylene oxide-adducts and organic acids as a means of preventing sedimentation of pigment suspensions in organic media, particularly solvent-containing paints.
Inventors
- 👤 Heinz Linden
- 👤 Jurgen Gartner
- 👤 Wilhelm Offermann
- 👤 Gunther Demmering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:24
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/331; C08G65/332; C08G65/3322; C09; C09D; C09D7/00; C09D7/40; C09D7/45
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
53 words
IN THE PROCESS FOR PREVENTING THE SEDIMENTATION OF PIGMENT SUSPENSIONS IN VARNISHES WITH AN ORGANIC SOLVENT, COMPRISING ADDING A SEDIMENTATION PREVENTING AGENT TO A VARNISH WITH AN ORGANIC SOLVENT CONTAINING A PIGMENT, THE IMPROVEMENT WHICH CONSISTS OF UTILIZING A SALT FROM TERTIARY AND/OR QUATERNARY AMINE-ALKYLENE OXIDE ADDUCTS AND ORGANIC ACIDS OF THE FORMULA
Claim 2
Dependent Claim
53 words
IN THE PROCESS FOR PREVENTING THE SEDIMENTATION OF PIGMENT SUSPENSIONS IN VARNISHES WITH AN ORGANIC SOLVENT, COMPRISING ADDING A SEDIMENTATION PREVENTING AGENT TO A VARNISH WITH AN ORGANIC SOLVENT CONTAINING A PIGMENT, THE IMPROVEMENT WHICH CONSISTS OF UTILIZING A SALT FROM TERTIARY AND/OR QUATERNARY AMINE-ALKYLENE OXIDE ADDUCTS AND ORGANIC ACIDS OF THE FORMULA
Claim 3
Dependent Claim
60 words
The process according to claim 1, in which Y is an anion selected from the group consisting of alkanoic acids of 1 to 37 carbon atoms, alkenoic acids of 9 to 24 carbon atoms, alkadienoic acids of 12 to 24 carbon atoms, hydroxyalkenoic acids of 12 to 24 carbon atoms, and dimeric fatty acids of 12 to 36 carbon atoms.
Claim 4
Dependent Claim
14 words
The process according to claim 1, in which said alkylene oxide is ethylene oxide.
Claim 5
Dependent Claim
29 words
The process according to claim 1, in which from 0.05 to 5% by weight based upon the finished preparation of said sedimentation preventing agent is added to said preparation.
Claim 6
Dependent Claim
29 words
The process according to claim 4, in which from 0.1 to 2% by weight based upon the finished preparation of said sedimentation preventing agent is added to said preparation.
Claim 7
Dependent Claim
20 words
The process according to claim 1, in which the sum of m, n and p is from 4 to 40.
References Cited (Backward Citations)
US2160119A
Cited
US3446569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |