US3882035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iminodiacetonitrile derivatives as peroxygen bleach activators
Assignee: LEAD'S METAL PRODUCTS Inc
•
Filing: 1973-03-21
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Granted: 1975-05-06
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Expires: 1993-03-21
Abstract
Abstract Iminodiacetonitrile compounds of the formula:
Inventors
- 👤 Frank Fred Loffelman
- 👤 Thomas Eugene Brady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:19
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3905; C11D3/3907; C11D3/3917; C11D3/3925; C02; C02F; C02F1/00; C02F1/50; C02F1/72; C02F1/722; C02F2103/00; C02F2103/30; C02F2103/42
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
34 words
A BLEACHING COMPOSITION COMPRISING HYDROGEN PEROXIDE OR A HYDROGEN PEROXIDE RELEASING COMPOUND OF THE GROUP OF ORGANIC PEROXIDES AND INORGANIC PEROXYGEN SALTS AND AN ACTIVATING AMOUNT OF AN IMINODIACETONITRILE COMPOUND REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
34 words
A BLEACHING COMPOSITION COMPRISING HYDROGEN PEROXIDE OR A HYDROGEN PEROXIDE RELEASING COMPOUND OF THE GROUP OF ORGANIC PEROXIDES AND INORGANIC PEROXYGEN SALTS AND AN ACTIVATING AMOUNT OF AN IMINODIACETONITRILE COMPOUND REPRESENTED BY THE FORMULA:
Claim 3
Dependent Claim
44 words
A composition according to claim 1 wherein A in the iminodiacetonitrile compound represents an unsubstituted benzoyl or naphthoyl radical or a substituted benzoyl or naphthoyl radical having a substituent selected from halo, nitro, hydroxy, carboxy, C1-C5 alkyl, C1-C5 alkoxy and halosubstituted C1-C5 alkyl groups.
Claim 4
Dependent Claim
13 words
A composition according to claim 2 wherein the iminodiacetonitrile compound has the formula:
Claim 5
Dependent Claim
13 words
A composition according to claim 2 wherein the iminodiacetonitrile compound has the formula:
Claim 6
Dependent Claim
13 words
A composition according to claim 2 wherein the iminodiacetonitrile compound has the formula:
Claim 7
Dependent Claim
13 words
A composition according to claim 2 wherein the iminodiacetonitrile compound has the formula:
Claim 8
Dependent Claim
17 words
A composition according to claim 1 wherein A in the iminodiacetonitrile compound is a C1-C5 alkanoyl group.
Claim 9
Dependent Claim
14 words
A composition according to claim 7 wherein the iminodiacetonitrile compound has the formula: CH3CH2-CO-N(CH2CN)2
Claim 10
Dependent Claim
28 words
A composition according to claim 1 wherein A in the iminodiacetonitrile compound is the residue of a heterocyclic carboxylic acid halide selected from furoyl, thenoyl and picolinoyl groups.
Claim 11
Dependent Claim
13 words
A composition according to claim 9 wherein the iminodiacetonitrile compound has the formula:
Claim 12
Dependent Claim
25 words
A composition according to claim 1 wherein A in the iminodiacetonitrile compound is a 4,6-disubstituted triazinyl group selected from 4,6-diaminotriazinyl, 4,6-bis(diethylamino)triazinyl, 4-diethylamino-6-bis(cyanomethyl)aminotriazinyl, and 4,6-bis(di(cyanomethyl)amino)triazinyl groups.
Claim 13
Dependent Claim
12 words
A composition of claim 11 wherein the iminodiacetonitrile compound has the formula
Claim 14
Dependent Claim
9 words
A composition according to claim 1 containing a detergent.
References Cited (Backward Citations)
US3172869A
Cited
US2927840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-05 | 1978-11-04 | 1979-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-05 | 1982-11-04 | 1983-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-05 | 1986-11-04 | 1987-05-06 | $7700.00 | Window Closed / Lapsed |