US3236685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating textile fibers and other shaped products with coatings
Assignee: Eastman Kodak Co
•
Filing: 1962-06-20
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Granted: 1966-02-22
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Expires: 1982-06-20
Abstract
No abstract record available.
Inventors
- 👤 John R Caldwell
- 👤 Gilkey Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/273; D06M15/37; D06M15/55; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T442/00; Y10T442/20; Y10T442/2279; Y10T442/2418; Y10T442/2434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A TREATMENT FOR IMPARTING ANTISTATIC AND SOIL RESISTANT PROPERTIES TO THE SURFACE OF ARTICLES COMPRISING A RESIN SELECTED FROM THE GROUP CONSISTING OF NATURAL AND SYNTHETIC RESINS WHICH COMPRISES APPLYING TO THE SURFACE OF SUCH AN ARTICLE AN INERT SOLVENT CONTAINING AS AN ESSENTIAL INGREDIENT A POLYMERIC POLYBASIC ACID CONTAINING AT LEAST ONE ACID GROUP SELECTED FROM THE CLASS CONSISTING OF -COOH, -SO3H AND -PO4H2, AT LEAST 10% OF THE ACID BEING CARBOXYL, HAVING A RATIO OF CARBON ATOMS TO ACIDIC GROUPS IN THE REPEAT UNIT IN THE RANGE OF 2:1 TO 20:1 AND HAVING A MOLECULAR WEIGHT OF 500-750,000, SAID LIQUID COMPOSITION ALSO CONTAINING ACROSSLINKING AGENT SELECTED FROM THE CLASS CONSISTING OF POLYOLS AND POLYEPOXIDES, AND HEATING IT TO A TEMPERATURE WITHIN THE RANGE FROM AROUND 80*C. TO AROUND 220*C. TO PARTIALLY CROSSLINK SAID POLYMERIC POLYBASIC ACID SO THAT AFTER CROSSLINKING, FROM 10 TO 70% OF THE ACID GROUPS OF THE POLYMERIC POLYBASIC ACID ARE FREE ACID GROUPS.
Claim 2
Dependent Claim
159 words
A TREATMENT FOR IMPARTING ANTISTATIC AND SOIL RESISTANT PROPERTIES TO THE SURFACE OF ARTICLES COMPRISING A RESIN SELECTED FROM THE GROUP CONSISTING OF NATURAL AND SYNTHETIC RESINS WHICH COMPRISES APPLYING TO THE SURFACE OF SUCH AN ARTICLE AN INERT SOLVENT CONTAINING AS AN ESSENTIAL INGREDIENT A POLYMERIC POLYBASIC ACID CONTAINING AT LEAST ONE ACID GROUP SELECTED FROM THE CLASS CONSISTING OF -COOH, -SO3H AND -PO4H2, AT LEAST 10% OF THE ACID BEING CARBOXYL, HAVING A RATIO OF CARBON ATOMS TO ACIDIC GROUPS IN THE REPEAT UNIT IN THE RANGE OF 2:1 TO 20:1 AND HAVING A MOLECULAR WEIGHT OF 500-750,000, SAID LIQUID COMPOSITION ALSO CONTAINING ACROSSLINKING AGENT SELECTED FROM THE CLASS CONSISTING OF POLYOLS AND POLYEPOXIDES, AND HEATING IT TO A TEMPERATURE WITHIN THE RANGE FROM AROUND 80*C. TO AROUND 220*C. TO PARTIALLY CROSSLINK SAID POLYMERIC POLYBASIC ACID SO THAT AFTER CROSSLINKING, FROM 10 TO 70% OF THE ACID GROUPS OF THE POLYMERIC POLYBASIC ACID ARE FREE ACID GROUPS.
References Cited (Backward Citations)
US2899341A
Cited
US2169250A
Cited
US2469409A
Cited
US2609350A
Cited
US2486804A
Cited
US2773050A
Cited
US2769727A
Cited
US2807865A
Cited
US2954358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |