US3264137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic conductive paper and process of manufacture thereof
Assignee: Kimberly Clark Tissue Co
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Filing: 1962-05-04
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Granted: 1966-08-02
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Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 Jerome M Gess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:46
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/10; G03G5/101; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24835; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AS AN ELECTROTATIC IMAGE-RECORDING MEDIUM: A CELLULOSE WEB HAVING A DISPERSED POLYMERIC QUATERNARY AMMONIUM SALT AT LEAST ONE PRECURSOR OF WHICH HAS THE FORMULA R1-N(+)(-R2)(-R3)-R4 X(-) WHEREIN R1 AND R2 ARE LOWER ALKYLS, R2 IS A BENZYL RADICAL, R4 IS AN ALKYL ESTER OF AN UNSATURATED ACID AND X IS AN ANION; A DILIQUESCENT SALT IN ADMIXTURE WITH SAID POLYMERIC SALT, AND ON ONE SURFACE OF SAID CELLULOSE WEB A LAYER OF A DIELECTRIC MATERIAL SAID QUATERNARY AMMONIUM AND DELIQUESCENT SALT CONTAINING CELLULOSE WEB HAVING A SPECIFIC CONDUCTIVITY OF FROM 10**7 TO 10**10 OHMS.
Claim 2
Dependent Claim
94 words
AS AN ELECTROTATIC IMAGE-RECORDING MEDIUM: A CELLULOSE WEB HAVING A DISPERSED POLYMERIC QUATERNARY AMMONIUM SALT AT LEAST ONE PRECURSOR OF WHICH HAS THE FORMULA R1-N(+)(-R2)(-R3)-R4 X(-) WHEREIN R1 AND R2 ARE LOWER ALKYLS, R2 IS A BENZYL RADICAL, R4 IS AN ALKYL ESTER OF AN UNSATURATED ACID AND X IS AN ANION; A DILIQUESCENT SALT IN ADMIXTURE WITH SAID POLYMERIC SALT, AND ON ONE SURFACE OF SAID CELLULOSE WEB A LAYER OF A DIELECTRIC MATERIAL SAID QUATERNARY AMMONIUM AND DELIQUESCENT SALT CONTAINING CELLULOSE WEB HAVING A SPECIFIC CONDUCTIVITY OF FROM 10**7 TO 10**10 OHMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |