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US3668228A
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Solutions of curing catalysts for polysiloxanes
Assignee: BASF Schweiz AG
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Filing: 1969-06-04
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Granted: 1972-06-06
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Expires: 1989-06-04
Abstract
Abstract Solutions of curing catalysts for polysiloxanes containing a zinc, cadmium, titanium or zirconium salt, an alkylbenzenesulfonic acid salt, a polyethylene glycol compound and an organic solvent are used together with aqueous emulsions of organopolysiloxanes for finishing fiber materials such as paper or textiles.
Inventors
- 👤 Hans Rudolf Zbinden
- 👤 Armin Hiestand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:21
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/06; C08G77/08
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
34 words
A solution according to claim 1 wherein component a. is the zinc or zirconium salt of said carboxylic acid, and d. is an aromatic hydrocarbon having a boiling point of at most 165* C.
Claim 2
Dependent Claim
25 words
A solution according to claim 1 wherein component a. is a zinc or zirconium salt of a fatty acid with six to 22 carbon atoms.
Claim 3
Dependent Claim
36 words
A solution according to claim 1, wherein component b is an alkylbenzenesulfonic acid salt having eight to 18 carbon atoms in the alkyl radical of a metal of the second main group of the periodic system.
Claim 4
Dependent Claim
17 words
A solution according to claim 1, wherein component b. is the calcium salt of a dodecylbenzenesulfonic acid.
Claim 5
Dependent Claim
33 words
A solution according to claim 1, wherein component c is a water-soluble polyethylene glycol compound which contains per molecule 30 to 50 - CH2CH2-O- groups and at least one phenoxy or alkylphenoxy radical.
Claim 6
Dependent Claim
26 words
A solution according to claim 1, wherein component c is a water-soluble polyethylene glycol compound which per molecule contains 30 -CH2CH2-O- groups and a tributylphenoxy radical.
Claim 7
Dependent Claim
14 words
A solution according to claim 1, wherein component d is toluene, xylene or 1,2,3,4-tetrahydronaphthalene.
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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) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |