Patent US4960935A successfully refreshed from Google Patents.
US4960935A
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Bisphenol derivatives, process for their manufacture, and their use as surfactants
Assignee: Clariant Produkte Deutschland GmbH
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Filing: 1983-03-23
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Granted: 1990-10-02
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Expires: 2003-03-23
Abstract
Abstract Compounds of the general formula X--Y--O--(A--O--Y--O).sub.m --A--O--Y--X (1) wherein X is a radical of the general formula [R.sup.1 --G.sub.p --(O--CHR.sup.2 --CHR.sup.3 --).sub.n ].sub.2 N--(1a) in which R 1 is a saturated aliphatic radical of from 6 to 30 carbon atoms or an unsaturated aliphatic radical having one or several ethylenic bonds and being of from 6 to 30 carbon atoms, G is phenylene or naphthylene, p is zero or 1, R 2 and R 3 are hydrogen or methyl, but are not both methyl, and n is a number from 0 to 25, Y is a radical of the formula ##STR1## in which R 2 and R 3 have the indicated meanings and q represents identical or different numbers from 0 to about 200, A is a radical of the general formula ##STR2## in which R 4 and R 5 are hydrogen or alkyl of from 1 to 3 carbon atoms, and m is a number from zero to 5, n and q not being both zero; and their use, in particular as dispersing agents, are disclosed.
Inventors
- 👤 Erwin Dietz
- 👤 Erich Hoffmann
- 👤 Joachim Weide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:49
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/08; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/64; C08G65/26; C09; C09B; C09B67/00; C09B67/0071; C09B67/0084; C09B67/0085; C09B67/0089
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
162 words
A compound of the general formula X--Y--O--(A--O--Y--O--).sub.m --A--O--Y--X (1) wherein X is a radical of the general formula [R.sup.1 --G.sub.p --(O--CHR.sup.2 --CHR.sup.3 --).sub.n ].sub.2 N--(1a) in which R 1 is a saturated aliphatic radical of from 6 to 30 carbon atoms or an unsaturated aliphatic radical having one or several ethylenic bonds and being of from 6 to 30 carbon atoms, G is phenylene or naphthylene, p is zero or 1, R 2 and R 3 are hydrogen or methyl, but are not both methyl, and n is a number from 1 to 15, Y is a radical of the formula R1 ? ##STR7## in which R 2 and R 3 have the indicated meanings and q represents identical or different numbers from 10 to 100, A is a radical of the general formula ##STR8## in which R 4 and R 5 are hydrogen or alkyl of from 1 to 3 carbon atoms, and m is a number from zero to 5.
Claim 2
Dependent Claim
162 words
A compound of the general formula X--Y--O--(A--O--Y--O--).sub.m --A--O--Y--X (1) wherein X is a radical of the general formula [R.sup.1 --G.sub.p --(O--CHR.sup.2 --CHR.sup.3 --).sub.n ].sub.2 N--(1a) in which R 1 is a saturated aliphatic radical of from 6 to 30 carbon atoms or an unsaturated aliphatic radical having one or several ethylenic bonds and being of from 6 to 30 carbon atoms, G is phenylene or naphthylene, p is zero or 1, R 2 and R 3 are hydrogen or methyl, but are not both methyl, and n is a number from 1 to 15, Y is a radical of the formula R1 ? ##STR7## in which R 2 and R 3 have the indicated meanings and q represents identical or different numbers from 10 to 100, A is a radical of the general formula ##STR8## in which R 4 and R 5 are hydrogen or alkyl of from 1 to 3 carbon atoms, and m is a number from zero to 5.
Claim 3
Dependent Claim
56 words
A compound as claimed in claim 1, wherein R 1 is a saturated aliphatic radical of from 6 to 20 carbon atoms or an unsaturated aliphatic radical having one or two double bonds and being of from 6 to 20 carbon atoms and R 4 and R 5 are hydrogen or methyl and m is zero.
Claim 4
Dependent Claim
32 words
A compound as claimed in claim 1, wherein R 1 is the radical of a fatty alcohol from natural fats and oils or the radical of an alcohol from the oxo synthesis.
Claim 5
Dependent Claim
13 words
A compound as claimed in claim 1 or 2, wherein p is zero.
Claim 6
Dependent Claim
17 words
A compound as claimed in claim 1 or 2, wherein p is 1 and G is phenylene.
Claim 7
Dependent Claim
32 words
A process for dispersing a solid in a liquid which comprises adding to said liquid an amount of a compound as claimed in claim 1 sufficient to effect dispersion of said solid.
Claim 8
Dependent Claim
13 words
A process as claimed in claim 6, wherein the solid is a pigment.
Claim 9
Dependent Claim
18 words
A process as claimed in claim 7, wherein the liquid is an aqueous printing ink or emulsion paint.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-10-01 | 1994-04-02 | 1994-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-10-01 | 1998-04-02 | 1998-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-10-01 | 2002-04-02 | 2002-10-02 | $7700.00 | Window Closed / Lapsed |