Patent US3097909A successfully refreshed from Google Patents.
US3097909A
Expired / Lapsed
US
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Process for dyeing or printing fibrous materials of aromatic polyesters
Assignee: BASF Schweiz AG
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Filing: 1960-09-07
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Granted: 1963-07-16
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Expires: 1980-09-07
Abstract
No abstract record available.
Inventors
- 👤 Rhyner Paul
- 👤 Grossmann Paul
- 👤 Defago Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:34
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/50; C09B1/51; C09B1/514; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; Y; Y10; Y10S; Y10S8/00; Y10S8/908; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
POLYETHYLENE TEREPHTHALATE FIBERS DYED WITH A DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
10 words
POLYETHYLENE TEREPHTHALATE FIBERS DYED WITH A DYESTUFF OF THE FORMULA
References Cited (Backward Citations)
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US2091145A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |