Patent US2735790A successfully refreshed from Google Patents.
US2735790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ttnitehi
Assignee: —
•
Filing: —
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Granted: 1956-02-21
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Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:46
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/224; D06M13/165; D06M13/322; D06M13/402; D06M13/405; D06M13/432; D06M13/46; D06M13/47; D06M13/477; D06M15/00; D06M15/19; D06M15/37; D06M15/53; D06M23/00; D06M2101/00; D06M2101/16; D06M2101/18; D06M2101/26; D06M2101/28; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10S260/20; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
139 words
THE METHOD OF IMPARTING LUBRICITY, SOFTNESS AND ANTI-STATIC PROPERTIES OF SHAPED ARTICLES COMPRISING AN ARCYLONITRILE POLYMER CONTAINING BY WEIGHT IN THE MOLECULE AT LEAST 80 PERCENT OF ACRYLONITRILE WHICH COMPRISES APPLYING TO THE ARTICLE AN AQUEOUS DISPERSION CONTAINING FROM ONE TO 5 PERCENT SOLIDS, SAID SOLIDS COMPRISING FROM 20 PERCENT TO 50 PERCENT BY WEIGHT OF A NON-IONIC SURFACE ACTIVE PARTIAL ESTER OF A POLYHYDRIC ALCOHOL AND AN ALIPHATIC CARBOXYLIC ACID, SAID ALCOHOL HAVING FROM TWO TO 8 CARBON ATOMS, FROM 15 PERCENT TO 35 PERCENT OF A NON-IONIC SURFACE ACTIVE POLYETHER PREPARED BY CONDENSING FROM 150 TO 250 PARTS OF ETHYLENE OXIDE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF WATER-IN SOLUBLE HYDROXY-FATTY ACIDS, ESTERS OF SUCH ACIDS, AND ESTERS, FROM 10 PERCENT TO 40 PERCENT OF A CATIONIC SURFACE ACTIVE QUATERNARY AMMONIUM COMPOUND HAVING 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) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |