US3000758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for conferring antistatic properties and the resulting products
Assignee: Akzona Inc
•
Filing: 1956-07-23
•
Granted: 1961-09-19
•
Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Hennemann Georg
- 👤 Lutgerhorst Albertus Gerardus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:41
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M15/00; D06M15/19; D06M15/21; D06M15/263; H; H05; H05F; H05F1/00; H05F1/02; C08J2433/00; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10S260/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A PROCESS FOR IMPARTING ANTISTATIC PROPERTIES TO DIELECTRIC PRODUCTS IN WHICH THE PRODUCTS ARE TREATED WITH AN AQUEOUS SOLUTION OF POLYACRYLIC ACID AT A TEMPERATURE LESS THAN 100*C., THEREAFTER DRYING THE AN ELEVATED TEMPRODUCTS, SUBSEQUENTLY HEATING THEM TO AN ELEVATED TEMPERATURE ABOVE 100*C., THEN TREATING THEM WITH AN AQUEOUS SOLUTION OF A QUATERNARY ALKYL AMMONIUM COMPOUND AND FINALLY DRYING THEM, THE IMPROVEMENT COMPRISING INCORPORATING 1%-3% BASED ON THE WEIGHT OF THE POLYACRYLIC ACID OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENE DIAMINE AND ETHYLENE DIAMINE IN THE AQUEOUS SOLUTION OF POLYACRYLIC ACID.
Claim 2
Dependent Claim
96 words
IN A PROCESS FOR IMPARTING ANTISTATIC PROPERTIES TO DIELECTRIC PRODUCTS IN WHICH THE PRODUCTS ARE TREATED WITH AN AQUEOUS SOLUTION OF POLYACRYLIC ACID AT A TEMPERATURE LESS THAN 100*C., THEREAFTER DRYING THE AN ELEVATED TEMPRODUCTS, SUBSEQUENTLY HEATING THEM TO AN ELEVATED TEMPERATURE ABOVE 100*C., THEN TREATING THEM WITH AN AQUEOUS SOLUTION OF A QUATERNARY ALKYL AMMONIUM COMPOUND AND FINALLY DRYING THEM, THE IMPROVEMENT COMPRISING INCORPORATING 1%-3% BASED ON THE WEIGHT OF THE POLYACRYLIC ACID OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENE DIAMINE AND ETHYLENE DIAMINE IN THE AQUEOUS SOLUTION OF POLYACRYLIC ACID.
References Cited (Backward Citations)
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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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |