US5140099A
Expired / Lapsed
US
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Water soluble nonionic cellulose ethers and their use in paints
Assignee: Nouryon Surface Chemistry AB
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Filing: 1990-03-12
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Granted: 1992-08-18
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Expires: 2010-03-12
Abstract
Abstract Water soluble nonionic cellulose ethers are provided, containing mixed alkylphenoxyalkyleneoxy-2-hydroxy propylene groups, having hydrophilic units composed of (a) alkyleneoxy groups of two or three carbon atoms, in a number from zero to about six, selected from --CH 2 CH 2 O--; ##STR1## and --CH 2 CH 2 CH 2 O--; and (b) one 2-hydroxy propylene group, together with hydrophobic units which are alkylphenoxy groups of the formula ##STR2## where R and R 4 are hydrocarbon groups having from about four to about thirty carbon atoms, preferably from about nine to about eighteen carbon atoms; n 1 is 0 or 1; connected linearly in a group of the general formula: ##STR3## Also provided is a class of cellulose ethers having similar hydrophilic units and hydrophobic units which are alkyloxyalkyleneoxy groups of the formula R--O-- III where R is an alkyl group having from about four to about thirty carbon atoms, preferably from about nine to about eighteen carbon atoms, connected linearly in a group of the general formula ##STR4## as well as water-base paints with excellent properties containing such cellulose ethers.
Inventors
- 👤 Peter Bostrom
- 👤 Ingemar Ingvarsson
- 👤 Kenneth Sundberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:19
CPC Classifications
C; C08; C08B; C08B11/00; C08B11/193; C09; C09D; C09D7/00; C09D7/40; C09D7/43; C08L; C08L1/00; C08L1/08; C08L1/26
Claims Analysis
Total Claims: 45
Claim 1
Independent Claim
112 words
Water soluble nonionic cellulose ethers comprising hydrophobic unit-hydrophilic unit ether groups which are alkyphenoxyalkyleneoxy-2-hydroxypropylene ether groups, the hydrophilic ether units being from one to six alkyleneoxy groups of two or three carbon atoms, selected from --CH 2 CH 2 O--; --CH 2 CH--O--; and --CH 2 CH 2 CH 2 O--; and one 2-hydroxypropylene group, the hydrophobic ether units being alkylphenoxy groups of the formula ##STR34## where R and R 4 are hydrocarbon groups having from about four to about thirty carbon atoms; and n 1 is 0 or 1; connected linearly in a group of the general formula: ##STR35## where AO is alkyleneoxy and n is from 1 to about 6.
Claim 2
Dependent Claim
112 words
Water soluble nonionic cellulose ethers comprising hydrophobic unit-hydrophilic unit ether groups which are alkyphenoxyalkyleneoxy-2-hydroxypropylene ether groups, the hydrophilic ether units being from one to six alkyleneoxy groups of two or three carbon atoms, selected from --CH 2 CH 2 O--; --CH 2 CH--O--; and --CH 2 CH 2 CH 2 O--; and one 2-hydroxypropylene group, the hydrophobic ether units being alkylphenoxy groups of the formula ##STR34## where R and R 4 are hydrocarbon groups having from about four to about thirty carbon atoms; and n 1 is 0 or 1; connected linearly in a group of the general formula: ##STR35## where AO is alkyleneoxy and n is from 1 to about 6.
Claim 3
Dependent Claim
17 words
Water-soluble nonionic cellulose ethers according to claim 1 wherein the alkyleneoxy is --CH 2 CH 2 O--.
Claim 4
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 1 wherein R is alkyl.
Claim 5
Dependent Claim
13 words
Water-soluble nonionic cellulose ethers according to claim 1 wherein n 1 is 4.
Claim 6
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 1 wherein n is 1.
Claim 7
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 1 wherein n is 2.
Claim 8
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 1 wherein n is 3.
Claim 9
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 1 wherein R is nonyl.
Claim 10
Dependent Claim
21 words
Water-soluble nonionic cellulose ethers according to claim 1 wherein n 1 is 1 and R and R 4 are both butyl.
Claim 11
Dependent Claim
16 words
Water-soluble nonionic cellulose ethers according to claim 1 wherein the alkylphenyloxyalkyleneoxy-2-hydroxy propylene oxy group is: ##STR36##
Claim 12
Dependent Claim
125 words
Water-soluble nonionic cellulose ethers according to claim 1 having the formula: ##STR37## wherein: R 1 , R 2 and R 3 are selected from (a) alkyl having from one to four carbon atoms; (b) hydroxyalkyl having from two to four carbon atoms; (c) alkylphenyl having from about seven to about nine carbon atoms; R and R 4 are alkyl having from about four to about eighteen carbon atoms; n is 1 to about 6; n 1 is 0 or 1; n and n 1 are average numbers; m 1 , m 2 and m 3 are 0 to 3; and m 4 is 0.002 to 0.2; m 1 , m 2 , m 3 and m 4 are average numbers representing the degree of substitution.
Claim 13
Dependent Claim
31 words
Water soluble cellulose ethers according to claim 11 wherein m 1 is from 1 to 3, m 2 and m 3 are zero and m 4 is from 0.005 to 0.1.
Claim 14
Dependent Claim
13 words
Water soluble cellulose ethers according to claim 12 wherein R 1 is hydroxyethyl.
Claim 15
Dependent Claim
13 words
Water soluble cellulose ethers according to claim 12 wherein R 1 is methyl.
Claim 16
Dependent Claim
28 words
Water soluble cellulose ethers according to claim 11 wherein m 1 and m 2 are each from 1 to 3, and m 4 is from 0.005 to 0.1.
Claim 17
Dependent Claim
18 words
Water soluble cellulose ethers according to claim 15 wherein R 1 is hydroxyethyl and R 2 is ethyl.
Claim 18
Dependent Claim
18 words
Water soluble cellulose ethers according to claim 15 wherein R 1 is hydroxyethyl and R 2 is methyl.
Claim 19
Dependent Claim
18 words
Water soluble cellulose ethers according to claim 15 wherein R 1 is hydroxypropyl and R 2 is methyl.
Claim 20
Dependent Claim
18 words
Water soluble cellulose ethers according to claim 15 wherein R 1 is hydroxypropyl and R 2 is ethyl.
Claim 21
Dependent Claim
30 words
Water soluble cellulose ethers according to claim 11 wherein m 1 , m 2 and m 3 are from 1 to 3, and m 4 is from 0.005 to 0.1.
Claim 22
Dependent Claim
22 words
Water soluble cellulose ethers according to claim 20 wherein R 1 is hydroxyethyl, R 2 is hydroxypropyl and R 3 is methyl.
Claim 23
Dependent Claim
30 words
A water-base coating composition comprising a latex coating composition including a film forming latex resin and an aqueous phase thickened with a water soluble cellulose ether according to claim 1.
Claim 24
Dependent Claim
102 words
Water soluble nonionic cellulose ethers comprising hydrophobic unit-hydrophilic unit ether groups which are alkyloxy-alkyleneoxy-2-hydroxypropylene ether groups, the hydrophilic ether units being from one to six alkyleneoxy groups of two or three carbon atoms, selected from --CH 2 CH 2 O--; --CH 2 CH--O--; and --CH 2 CH 2 CH 2 O--; and one 2-hydroxypropylene group, the hydrophobic ether units being alkoxy groups of the formula R--O-- where R is an alkyl group having from about eight to about thirty carbon atoms; connected linearly in a group of the general formula: ##STR38## where AO is alkyleneoxy and n is from one to six.
Claim 25
Dependent Claim
102 words
Water soluble nonionic cellulose ethers comprising hydrophobic unit-hydrophilic unit ether groups which are alkyloxy-alkyleneoxy-2-hydroxypropylene ether groups, the hydrophilic ether units being from one to six alkyleneoxy groups of two or three carbon atoms, selected from --CH 2 CH 2 O--; --CH 2 CH--O--; and --CH 2 CH 2 CH 2 O--; and one 2-hydroxypropylene group, the hydrophobic ether units being alkoxy groups of the formula R--O-- where R is an alkyl group having from about eight to about thirty carbon atoms; connected linearly in a group of the general formula: ##STR38## where AO is alkyleneoxy and n is from one to six.
Claim 26
Dependent Claim
17 words
Water-soluble nonionic cellulose ethers according to claim 23 wherein the alkyleneoxy is --CH 2 CH 2 O--.
Claim 27
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 23 wherein R is tetradecyl.
Claim 28
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 23 wherein n is 4.
Claim 29
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 23 wherein n is 1.
Claim 30
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 23 wherein n is 2.
Claim 31
Dependent Claim
12 words
Water-soluble nonionic cellulose ethers according to claim 23 wherein n is 3.
Claim 32
Dependent Claim
20 words
Water-soluble nonionic cellulose ethers according to claim 23 wherein R is tetradecyl and A is CH 2 CH 2 .
Claim 33
Dependent Claim
15 words
Water-soluble nonionic cellulose ethers according to claim 23 wherein the alkyloxyalkyleneoxy-2-hydroxy propyleneoxy group is: ##STR39##
Claim 34
Dependent Claim
114 words
Water-soluble nonionic cellulose ethers according to claim 23 having the formula: ##STR40## wherein: R 1 , R 2 and R 3 are selected from (a) alkyl having from one to four carbon atoms; (b) hydroxyalkyl having from two to four carbon atoms; (c) alkylphenyl having from about seven to about nine carbon atoms; R is alkyl having from about eight to about thirty carbon atoms; n is 1 to about 6; and is an average number; m 1 , m 2 and m 3 are 0 to 3; and m 4 is 0.002 to 0.2; m 1 , m 2 , m 3 and m 4 are average numbers representing the degree of substitution.
Claim 35
Dependent Claim
31 words
Water soluble cellulose ethers according to claim 32 wherein m 1 is from 1 to 3, m 2 and m 3 are zero and m 4 is from 0.005 to 0.1.
Claim 36
Dependent Claim
13 words
Water soluble cellulose ethers according to claim 33 wherein R 1 is hydroxyethyl.
Claim 37
Dependent Claim
13 words
Water soluble cellulose ethers according to claim 33 wherein R 1 is methyl.
Claim 38
Dependent Claim
28 words
Water soluble cellulose ethers according to claim 32 wherein m 1 and m 2 are each from 1 to 3, and m 4 is from 0.005 to 0.1.
Claim 39
Dependent Claim
18 words
Water soluble cellulose ethers according to claim 36 wherein R 1 is hydroxyethyl and R 2 is ethyl.
Claim 40
Dependent Claim
18 words
Water soluble cellulose ethers according to claim 36 wherein R 1 is hydroxyethyl and R 2 is methyl.
Claim 41
Dependent Claim
18 words
Water soluble cellulose ethers according to claim 36 wherein R 1 is hydroxypropyl and R 2 is methyl.
Claim 42
Dependent Claim
18 words
Water soluble cellulose ethers according to claim 36 wherein R 1 is hydroxypropyl and R 2 is ethyl.
Claim 43
Dependent Claim
30 words
Water soluble cellulose ethers according to claim 32 wherein m 1 , m 2 and m 3 are from 1 to 3, and m 4 is from 0.005 to 0.1.
Claim 44
Dependent Claim
22 words
Water soluble cellulose ethers according to claim 41 wherein R 1 is hydroxyethyl, R 2 is hydroxypropyl and R 3 is methyl.
Claim 45
Dependent Claim
30 words
A water-base coating composition comprising a latex coating composition including a film forming latex resin and an aqueous phase thickened with a water soluble cellulose ether according to claim 23.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1995-08-18 | 1996-02-17 | 1996-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-08-18 | 2000-02-17 | 2000-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-08-18 | 2004-02-17 | 2004-08-18 | $7700.00 | Window Closed / Lapsed |