US3137668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-static coating composition comprising styrene sulfonate-glycidyl methacrylate polymer and sodium bisulfite
Assignee: EIDP Inc
•
Filing: 1962-04-02
•
Granted: 1964-06-16
•
Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 James R Kuppers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:12
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/044; C08J7/046; C08J7/056; C09D133/00; C09D133/04; C09D133/14; C08J2367/00; C08J2367/02; C08J2425/00; C08J2433/00; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/16; Y10S260/21; Y10S524/00; Y10S524/91; Y10S524/911; Y10S8/00; Y10S8/04; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN THE PROCESS OF APPLYING A HYDROPHILIC COATING TO SYNTHETIC LINEAR CONDENSATION POLYESTER SHAPED ARTICLES TO IMPART ANTISTATIC PROPERTIES, THE IMPROVEMENT OF COATING THE SHAPED ARTICLE WITH AN AQUEOUS DISPERSION OF A STYRENE SULFONATE/GLYCIDYL METHACRYLATE POLYMER CONTAINING IN SOLUTION 3% TO 20% BY WEIGHT OF SODIOUM BISULFATE, DRYING AND CURING THE COATING ON THE ARTICLE, AND WASHING WATER-SOLUBLE MATERIALS FROM THE COATED ARTICLE.
Claim 2
Dependent Claim
63 words
IN THE PROCESS OF APPLYING A HYDROPHILIC COATING TO SYNTHETIC LINEAR CONDENSATION POLYESTER SHAPED ARTICLES TO IMPART ANTISTATIC PROPERTIES, THE IMPROVEMENT OF COATING THE SHAPED ARTICLE WITH AN AQUEOUS DISPERSION OF A STYRENE SULFONATE/GLYCIDYL METHACRYLATE POLYMER CONTAINING IN SOLUTION 3% TO 20% BY WEIGHT OF SODIOUM BISULFATE, DRYING AND CURING THE COATING ON THE ARTICLE, AND WASHING WATER-SOLUBLE MATERIALS FROM THE COATED ARTICLE.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |