US2714075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dilute aqueous dispersions and their application
Assignee: EIDP Inc
•
Filing: 1951-11-27
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Granted: 1955-07-26
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Expires: 1971-11-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Watson
- 👤 John L Ludlow
- 👤 John R Kateley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:18
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; B; B44; B44C; B44C1/00; B44C1/16; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59; D06M15/595; C08J2377/00; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352; Y10T442/2484; Y10T442/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS WHICH COMPRISES CONTACTING A SUBSTRATE WITH AN AQUEOUS DISPERSION HAVING APH OF 2.0 TO 7.5 COMPRISING A DISPERSING AGENT AND FROM 0.01% TO 0.5%, BASED UPON THE TOTAL WEIGHT OF THE DISPERSION, OF AN NALKOXYMETHYLPOLYHEXAMETHYLENE ADIPAMIDE HAVING AN AVERAGE PARTICLE SIZE OF BETWEEN 0.1 AND 2.0 MICRONS AND HAVING ALKOXYMETHYL GROUPS ATTACHED TO FROM 20% TO 60% OF THE AMIDE NITROGEN ATOMS, IN THE PRESENCE OF A WATER-SOLUBLE SALT OF A NITROGEN-CONTAINING BASE AND AN ACID HAVING AN IONIZATION CONSTANT FOR THE FIRST HYDROGEN OF AT LEAST 1X10-5, AT A PH OF FROM 2.0 TO 6.6, WHEREBY THE DISPERSION IS SUBSTANTIALLY COMPLETELY EXHAUSED ONTO THE SUBSTRATE.
Claim 2
Dependent Claim
108 words
A PROCESS WHICH COMPRISES CONTACTING A SUBSTRATE WITH AN AQUEOUS DISPERSION HAVING APH OF 2.0 TO 7.5 COMPRISING A DISPERSING AGENT AND FROM 0.01% TO 0.5%, BASED UPON THE TOTAL WEIGHT OF THE DISPERSION, OF AN NALKOXYMETHYLPOLYHEXAMETHYLENE ADIPAMIDE HAVING AN AVERAGE PARTICLE SIZE OF BETWEEN 0.1 AND 2.0 MICRONS AND HAVING ALKOXYMETHYL GROUPS ATTACHED TO FROM 20% TO 60% OF THE AMIDE NITROGEN ATOMS, IN THE PRESENCE OF A WATER-SOLUBLE SALT OF A NITROGEN-CONTAINING BASE AND AN ACID HAVING AN IONIZATION CONSTANT FOR THE FIRST HYDROGEN OF AT LEAST 1X10-5, AT A PH OF FROM 2.0 TO 6.6, WHEREBY THE DISPERSION IS SUBSTANTIALLY COMPLETELY EXHAUSED ONTO THE SUBSTRATE.
References Cited (Backward Citations)
US2342387A
Cited
US2467186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |