US3072454A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactive dyes containing methylolamide triazine groups
Assignee: Wyeth Holdings LLC
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Filing: 1960-07-07
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Granted: 1963-01-08
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Expires: 1980-07-07
Abstract
No abstract record available.
Inventors
- 👤 Robert S Long
- 👤 Harold T Lacey
- 👤 Raymond E Kourtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:15
CPC Classifications
C; C09; C09B; C09B43/00; C09B43/12; C09B43/136; C09B43/16; C09B62/00; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PROCESS OF MODIFYING CELLULOSE FIBERS WHICH COMPRISES WETTING SAID FIBERS WITH AN AQUEOUS SOLUTION COMPRISING AT LEAST 0.01% OF A MODIFYING AGENT AND AT LEAST 0.0002% OF AN ACID CATALYST, SAID MODIFYING AGENT BEING A 1,3,5-TRIAZINE COMPOUND HAVING AT LEAST ONE BUT NOT MORE THAN TWO SUBSTITUENTS A, AND AT LEAST ONE BUT NOT MORE THAN TWO SUBSTITUENTS C; EACH SUBSTITUENT A BEING AN ORGANIC DYESTUFF MOIETY HAVING AN IONOGENIC SUBSTITUENT, SAID MOIETY BEING BONDED THROUGH AN AMINO GROUP TO A CARBON ATOM OF SAID TRIAZING RING; AND EACH SUBSTITUENT C BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF METHYLOLAMINO, DIMETHYLOLAMINO, ALKOXYMETHYLAMINO AND DIALKOXYMETHYLAMINO; FOLLOWED BY DRYING SAID WET FIBERS AND THEN HEATING SAID DRIED FIBERS ABOVE 120*C.
Claim 2
Dependent Claim
120 words
A PROCESS OF MODIFYING CELLULOSE FIBERS WHICH COMPRISES WETTING SAID FIBERS WITH AN AQUEOUS SOLUTION COMPRISING AT LEAST 0.01% OF A MODIFYING AGENT AND AT LEAST 0.0002% OF AN ACID CATALYST, SAID MODIFYING AGENT BEING A 1,3,5-TRIAZINE COMPOUND HAVING AT LEAST ONE BUT NOT MORE THAN TWO SUBSTITUENTS A, AND AT LEAST ONE BUT NOT MORE THAN TWO SUBSTITUENTS C; EACH SUBSTITUENT A BEING AN ORGANIC DYESTUFF MOIETY HAVING AN IONOGENIC SUBSTITUENT, SAID MOIETY BEING BONDED THROUGH AN AMINO GROUP TO A CARBON ATOM OF SAID TRIAZING RING; AND EACH SUBSTITUENT C BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF METHYLOLAMINO, DIMETHYLOLAMINO, ALKOXYMETHYLAMINO AND DIALKOXYMETHYLAMINO; FOLLOWED BY DRYING SAID WET FIBERS AND THEN HEATING SAID DRIED FIBERS ABOVE 120*C.
References Cited (Backward Citations)
GB595065A
Cited
US2873269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |