US3175987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous epoxy resin compsition yielding anti-static soil resistant finish on textiles
Assignee: EIDP Inc
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Filing: 1961-06-30
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Granted: 1965-03-30
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Pretka John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:12
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/55; C; C08; C08L; C08L63/00; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10S524/00; Y10S524/91; Y10S524/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A COMPOSITION OF MATTER COMPRISING AN AQUEOUS DISPERSION CONTAINING FROM ABOUT 1% TO ABOUT 10% TOTAL SOLIDS OF WHICH FROM ABOUT 30% TO ABOUT 65% IS A MEMBER OF THE CLASS CONSISTING OF SODIUM POLYACRYLATE MALEIC ANHYDRIDE, PHTHALIC ANHYDRIDE AND PYROMELLITIC ANHYDRIDE, THE REMAINDER COMPRISING A MIXTUE IN PROPORTIONS BETWEEN ABOUT 4:1 AND 1:10 OF A POLYEPOXIDE AND A POLYAMINE OF THE FORMULA:
Claim 2
Dependent Claim
63 words
A COMPOSITION OF MATTER COMPRISING AN AQUEOUS DISPERSION CONTAINING FROM ABOUT 1% TO ABOUT 10% TOTAL SOLIDS OF WHICH FROM ABOUT 30% TO ABOUT 65% IS A MEMBER OF THE CLASS CONSISTING OF SODIUM POLYACRYLATE MALEIC ANHYDRIDE, PHTHALIC ANHYDRIDE AND PYROMELLITIC ANHYDRIDE, THE REMAINDER COMPRISING A MIXTUE IN PROPORTIONS BETWEEN ABOUT 4:1 AND 1:10 OF A POLYEPOXIDE AND A POLYAMINE OF THE FORMULA:
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |