Patent US3852297A successfully refreshed from Google Patents.
US3852297A
Expired / Lapsed
US
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Nickel complexes of 2-(2-hydroxyphenyl)-y-triazoles
Assignee: Novartis Corp
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Filing: 1972-10-30
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Granted: 1974-12-03
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Expires: 1992-10-30
Abstract
Abstract New nickel complexes of 2-(2''-hydroxyphenyl)-v-triazoles are light protection agents and dyestuff acceptors for polyolefines. They are manufactured from the corresponding benzotriazoles by reaction with nickel salts and alcoholates and/or amines.
Inventors
- 👤 P Moser
- 👤 J Rody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091; C07; C07D; C07D249/00; C07D249/02; C07D249/04; C07D249/06; C07D249/16; C07D249/18; C07D249/20; C07F; C07F15/00; C07F15/04; C07F15/045; C08K5/16; C08K5/34; C08K5/3467; C08K5/3472
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE FORMULA
Claim 3
Dependent Claim
17 words
Compounds according to claim 1, characterized in that R1 and R2 together denote the tetramethylene radical -(CH2)4-.
Claim 4
Dependent Claim
14 words
Compounds according to claim 1, characterized in that R1 and R2 denote phenyl groups.
Claim 5
Dependent Claim
19 words
Compounds according to claim 1, characterized in that R1 denotes the phenyl group and R2 denotes the methyl group.
Claim 6
Dependent Claim
23 words
Compounds according to claim 1, characterised in that R3 and R4 denote branched or unbranched alkyl radicals with 1 to 10 carbon atoms.
Claim 7
Dependent Claim
15 words
Compounds according to claim 1, characterised in that Y is an amine of the formula
Claim 8
Dependent Claim
29 words
Compounds according to claim 1, characterised in that Z denotes the chloride, acetate, 2-ethylcaproate, palmitate, stearate, oleate or benzoate ion and M 1 denotes the sodium or potassium ion.
Claim 9
Dependent Claim
41 words
Mixtures of compounds according to claim 1, characterised in that in the compounds the radicals R1R2R3, R4, Y, Z and M 1 are identical and that of the coefficients x, y, z, n, m and w at least one is different.
Claim 10
Dependent Claim
19 words
Mixtures of compounds according to claim 8, characterised in that R1 and R2 together denote the tetramethylene radical -(CH2)4-.
Claim 11
Dependent Claim
16 words
Mixtures of compounds according to claim 8, characterised in that R1 and R2 denote phenyl radicals.
Claim 12
Dependent Claim
20 words
Mixtures of compounds according to claim 8, characterised in that R1 denotes the phenyl group and R2 the methyl group.
Claim 13
Dependent Claim
25 words
Mixtures of compounds according to claim 8, characterised in that R3 and R4 denote branched or unbranched alkyl radicals with 1 to 10 carbon atoms.
Claim 14
Dependent Claim
17 words
Mixtures of compounds according to claim 8, characterised in that Y denotes an amine of the formula
Claim 15
Dependent Claim
31 words
Mixtures of compounds according to claim 8, characterised in that Z denotes the chloride, acetate, 2-ethylcaproate, palmitate, stearate, oleate or benzoate ion and M 1 denotes the sodium or potassium ion.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |