Patent US1577078A successfully refreshed from Google Patents.
Patent US3042478A successfully refreshed from Google Patents.
US3042478A
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Process of dyeing and printing polyethylene glycol terephthalate fibers with disperse dyestuffs
Assignee: Sandoz AG
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Filing: 1959-04-06
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Granted: 1962-07-03
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Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 Merian Ernest
- 👤 Mueller Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:53
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/06; C09B29/08; D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; D06P3/54; Y; Y10; Y10S; Y10S8/00; Y10S8/933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
IN A PROCESS FOR THE DYEING OF POLYETHYLENE GLYCOL TEREPHTHALATE FIBERS WITH DISPERSE DYESTUFFS, THE STEP OF DYEING THE FIBERS WITH DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
25 words
IN A PROCESS FOR THE DYEING OF POLYETHYLENE GLYCOL TEREPHTHALATE FIBERS WITH DISPERSE DYESTUFFS, THE STEP OF DYEING THE FIBERS WITH DYESTUFF OF THE FORMULA
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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |