US3694257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester compositions and their use as textile assistants
Assignee: Henkel Corp
•
Filing: 1970-07-20
•
Granted: 1972-09-26
•
Expires: 1990-07-20
Abstract
Abstract A TEXTILE ASSISTANT AND METHOD OF USING SAME WHICH COMPRISES APPLYING TO A TEXTILE FABRIC AN AQUEOUS EMULSION CONTAINING AS THE TEXTILE ASSISTANT, A POLYESTER PREPARED FROM THE REACTION OF POLYOLS SUCH AS GLYCOLS WITH A DIBASIC OR TRIBASIC ACID HAVING FROM ABOUT 6 TO ABOUT 54 CARBON ATOMS, PREFERABLY A DIMERIZED FATTY ACID. WHEN TRIBASIC ACIDS ARE USED, A GLYCOL SHOULD BE EMPLOYED AND WHEN TRIOLS ARE USED, DIBASIC ACIDS SHOULD BE EMPLOYED.
Inventors
- 👤 Thomas P Dumont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:10
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/199; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/507; D06M15/51; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-26 | 1976-03-27 | 1976-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-26 | 1980-03-27 | 1980-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-26 | 1984-03-27 | 1984-09-26 | $7700.00 | Window Closed / Lapsed |