US3084015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing or printing fibrous materials of aromatic polyesters
Assignee: BASF Schweiz AG
•
Filing: 1960-10-25
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Granted: 1963-04-02
•
Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Grossmann Paul
- 👤 Defago Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:51
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/26; C09B1/32; C09B1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
POLYETHYLENE TERPHATHALATE FIBERS DYED WITH A DYESTUFF SELECTED FROM THE GROUP CONSISTING OF 1-AMINO-2CYANO-4-LOWER-ALKYLAMINOANTHRAQUINONES, 1-AMINO-2CYANO-4-CYCLOALKYLAMINOATHRAQUINONES AND 1-AMINO-2CYANO-4-PHENYLAMINOANTHRAQUINONES FREE FROM ACID GROUPS IMPARTING SOLUBILITY IN WATER.
Claim 2
Dependent Claim
25 words
POLYETHYLENE TERPHATHALATE FIBERS DYED WITH A DYESTUFF SELECTED FROM THE GROUP CONSISTING OF 1-AMINO-2CYANO-4-LOWER-ALKYLAMINOANTHRAQUINONES, 1-AMINO-2CYANO-4-CYCLOALKYLAMINOATHRAQUINONES AND 1-AMINO-2CYANO-4-PHENYLAMINOANTHRAQUINONES FREE FROM ACID GROUPS IMPARTING SOLUBILITY IN WATER.
References Cited (Backward Citations)
GB359850A
Cited
US1938029A
Cited
US2496414A
Cited
US2881045A
Cited
US2922691A
Cited
US2926987A
Cited
US3005822A
Cited
US2937190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |