US4351753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquified normally solid polyoxyalkylene block copolymers
Assignee: BASF Corp
•
Filing: 1980-10-24
•
Granted: 1982-09-28
•
Expires: 2000-10-24
Abstract
Abstract This invention relates to liquified normally solid forms of polyoxyalkylene block copolymers particularly suitable for use in pesticide concentrates comprising a normally solid polyoxyalkylene block copolymer nonionic surface-active agent and ethylene glycol with or without water.
Inventors
- 👤 Thomas M. Kaneko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:50
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/11; A; A01; A01N; A01N25/00; A01N25/30; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053; C08L; C08L71/00; C08L71/02; C08J2371/00; C08J2371/02; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02; Y10S516/905; Y10S516/914; Y10S516/916; Y10S516/917; Y10S516/92
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
16 words
A liquid composition consisting essentially of a normally solid nonionic polyoxyalkylene block copolymer and ethylene glycol.
Claim 2
Dependent Claim
16 words
A liquid composition consisting essentially of a normally solid nonionic polyoxyalkylene block copolymer and ethylene glycol.
Claim 3
Dependent Claim
37 words
A composition of matter consisting essentially of from about 15 to 90 percent by weight of a nonionic polyoxyalkylene block copolymer, 15 to 80 percent by weight ethylene glycol and 0 to 30 percent by weight water.
Claim 4
Dependent Claim
37 words
A composition of matter consisting essentially of from about 15 to 90 percent by weight of a nonionic polyoxyalkylene block copolymer, 15 to 80 percent by weight ethylene glycol and 0 to 30 percent by weight water.
Claim 5
Dependent Claim
70 words
The composition of claim 2 wherein said nonionic copolymer is a cogeneric mixture of conjugated polyoxyalkylene compounds containing in their structure the residue of an active hydrogen containing compound having from 1 to 6 carbon atoms and at least one hydrophobic oxyalkylene chain in which the oxygen/carbon atom ratio does not exceed 0.4 and at least one hydrophilic oxyalkylene chain in which the oxygen/carbon atom ratio is greater than 0.4.
Claim 6
Dependent Claim
94 words
The composition of claim 3 wherein said nonionic copolymer corresponds to the formula: Y[(C.sub.3 H.sub.6 O).sub.n (C.sub.2 H.sub.4 O).sub.m H].sub.x wherein Y is the residue of an organic compound having from about 1 to 6 carbon atoms and containing x reactive hydrogen atoms in which x has a value of at least one, m has a value such that the oxyethylene content of the molecule is from about 20 to 90 weight percent and n has a value such that the total molecular weight of the polyoxypropylene groups is from about 950 to 4000.
Claim 7
Dependent Claim
17 words
The composition of claim 4 wherein Y is a residue of propylene glycol and x is 2.
Claim 8
Dependent Claim
17 words
The composition of claim 4 wherein Y is the residue of ethylene diamine and x is 4.
Claim 9
Dependent Claim
94 words
The composition of claim 3 wherein said nonionic copolymer corresponds to the formula: Y[(C.sub.2 H.sub.4 O).sub.m (C.sub.3 H.sub.6 O).sub.n H].sub.x wherein Y is the residue of an organic compound having from about 1 to 6 carbon atoms and containing x reactive hydrogen atoms in which x has a value of at least one, m has a value such that the oxyethylene content of the molecule is from about 20 to 90 weight percent and n has a value such that the total molecular weight of the polyoxypropylene groups is from about 950 to 4000.
Claim 10
Dependent Claim
17 words
The composition of claim 7 wherein Y is the residue of ethylene glycol and x is 2.
Claim 11
Dependent Claim
17 words
The composition of claim 7 wherein Y is the residue of ethylene diamine and x is 4.
Claim 12
Independent Claim
34 words
The method for preparing a liquid composition suitable for use in flowable pesticides comprising dissolving a normally solid nonionic polyoxyalkylene block copolymer in ethylene glycol at a temperature of at least about 170° F.
Claim 13
Independent Claim
34 words
The method for preparing a liquid composition suitable for use in flowable pesticides comprising dissolving a normally solid nonionic polyoxyalkylene block copolymer in ethylene glycol at a temperature of at least about 170° F.
Claim 14
Dependent Claim
36 words
The method of claim 10 wherein about 15 to 90 percent by weight of said nonionic copolymer is dissolved in 15 to 80 percent by weight ethylene glycol and 0 to 30 percent by weight water.
Claim 15
Dependent Claim
70 words
The method of claim 11 wherein said nonionic copolymer is a cogeneric mixture of conjugated polyoxyalkylene compounds containing in their structure the residue of an active hydrogen containing compound having from 1 to 6 carbon atoms and at least one hydrophobic oxyalkylene chain in which the oxygen/carbon atom ratio does not exceed 0.4 and at least one hydrophilic oxyalkylene chain in which the oxygen/carbon atom ratio is greater than 0.4.
Claim 16
Dependent Claim
94 words
The method of claim 12 wherein said nonionic copolymer corresponds to the formula: Y[(C.sub.3 H.sub.6 O).sub.n (C.sub.2 H.sub.4 O).sub.m H].sub.x wherein Y is the residue of an organic compound having from about 1 to 6 carbon atoms and containing x reactive hydrogen atoms in which x has a value of at least one, m has a value such that the oxyethylene content of the molecule is from about 20 to 90 weight percent and n has a value such that the total molecular weight of the polyoxypropylene groups is from about 950 to 4000.
Claim 17
Dependent Claim
17 words
The method of claim 13 wherein y is a residue of propylene glycol and x is 2.
Claim 18
Dependent Claim
17 words
The method of claim 13 wherein Y is the residue of ethylene diamine and x is 4.
Claim 19
Dependent Claim
94 words
The method of claim 12 wherein said nonionic copolymer corresponds to the formula: Y[(C.sub.2 H.sub.4 O).sub.m (C.sub.3 H.sub.6 O).sub.n H].sub.x wherein Y is the residue of an organic compound having from about 1 to 6 carbon atoms and containing x reactive hydrogen atoms in which x has a value of at least one, m has a value such that the oxyethylene content of the molecule is from about 20 to 90 weight percent and n has a value such that the total molecular weight of the polyoxypropylene groups is from about 950 to 4000.
Claim 20
Dependent Claim
17 words
The method of claim 16 wherein Y is the residue of ethylene glycol and x is 2.
Claim 21
Dependent Claim
17 words
The method of claim 16 wherein Y is the residue of ethylene diamine and x is 4.
References Cited (Backward Citations)
US2602780A
Cited
US2677700A
Cited
US2674619A
Cited
US2979528A
Cited
US3036118A
Cited
US3945964A
Cited
US4089814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-09-27 | 1986-03-29 | 1986-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-09-27 | 1990-03-29 | 1990-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-09-27 | 1994-03-29 | 1994-09-28 | $7700.00 | Window Closed / Lapsed |