US3676339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted bis-triazinylamino stilbene compounds and compositions thereof
Assignee: Novartis Corp
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Filing: 1970-04-16
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Granted: 1972-07-11
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Expires: 1990-04-16
Abstract
Abstract Described herein are certain bis-triazinylamino stilbene type optical brighteners and their use in treating textiles and paper. The brighteners are particularly useful in conjunction with fabric softeners and in laundry detergents.
Inventors
- 👤 Christopher Johannes Tscharner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:19
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/40; C11D3/42
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
24 words
A composition of matter as claimed in claim 1 wherein the brightener compound is 4,4''-bis (( 4-anilino-6-(N-(3-aminopropyl)-diethanolamino)-1,3,5-triazin-2-Yl )-amino)-stilbene-2,2''disulfonic acid or an alkaline salt thereof.
Claim 2
Dependent Claim
22 words
A composition of matter consisting essentially of a cationic fabric softener and an effective amount of a brightener compound of the formula:
Claim 3
Dependent Claim
24 words
A composition of matter as claimed in claim 3 wherein the brightener compound is 4,4''-bis (( 4-anilino-6-(N-(3-aminopropyl)-diethanolamino)-1,3,5-triazin-2-Yl )-amino)-stilbene-2,2''-disulfonic acid or an alkaline salt thereof.
Claim 4
Dependent Claim
43 words
A composition of matter as claimed in claim 3 wherein the softener is a dialkyl dimethyl ammonium chloride said alkyl group containing 12 to 18 carbon atoms and the brightener compound is 4,4''-bis( ( 4-anilino-6-(N-(3-aminopropyl)-diethanolamino)-1,3, 5-triazin-2Yl )-amino)-stilbene-2,2''disulfonic acid or an alkaline salt thereof.
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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |