US2530370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting materials
Assignee: —
•
Filing: —
•
Granted: 1950-11-21
•
Expires: 1967-11-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:34
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/024; C09D191/00; C09D191/005; C08; C08L; C08L91/00; C08L91/005; C09D167/00; C09D167/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
AN OIL-IN-WATER EMULSION SURFACE COATING MATERIAL, THE VEHICLE SOLIDS OF WHICH COMPRISE SOAP-FREE BODIED POLYHYDRIC ALCOHOL ESTERS OF POLY-UNSATURATED ACIDS OF FATTY OILS, SAID ESTER BEING IN A SOLID STATE IN THE WATER EMULSION, THE VEHICLE SOLIDS OF THE EMULSION BEING SENSITIVE TO THE ACTION OF THE AIR, WHEN EXPOSED TO IT IN A THIN LAYER OF A WET FILM THICKNESS OF 0.0015" TO 0.003", FORMING A COHERENT SOLID FILM IMMEDIATELY UPON DEMULSIFICATION OF THE EMULSION, SAID SOLID FILM FORMATION BEING REACHED WITHIN A PERIOD RANGING FROM A COUPLE OF SECONDS TO ONE HOUR, THE SOLID POLYHYDRIC ALCOHOL ESTERS FORMING THE DISPERSED PHASE OF THE EMULSION HAVING AN OXYGEN CONTENT WHICH DOES NOT EXCEED THE OXYGEN CONTENT OF THE UNEMULSIFIED POLYHYDRIC ALCOHOL ESTERS BY MORE THAN 2.8%, THE VEHICLE SOLIDS DISPERSED PHASE CONTENT RANGEING FROM 10% TO 70%, BASED ON THE TOTAL WEIGHT OF WATER AND VEHICLE SOLIDS CONSTITUENTS OF THE EMULSION SURFACE COATING MATERIAL.
Claim 2
Dependent Claim
155 words
AN OIL-IN-WATER EMULSION SURFACE COATING MATERIAL, THE VEHICLE SOLIDS OF WHICH COMPRISE SOAP-FREE BODIED POLYHYDRIC ALCOHOL ESTERS OF POLY-UNSATURATED ACIDS OF FATTY OILS, SAID ESTER BEING IN A SOLID STATE IN THE WATER EMULSION, THE VEHICLE SOLIDS OF THE EMULSION BEING SENSITIVE TO THE ACTION OF THE AIR, WHEN EXPOSED TO IT IN A THIN LAYER OF A WET FILM THICKNESS OF 0.0015" TO 0.003", FORMING A COHERENT SOLID FILM IMMEDIATELY UPON DEMULSIFICATION OF THE EMULSION, SAID SOLID FILM FORMATION BEING REACHED WITHIN A PERIOD RANGING FROM A COUPLE OF SECONDS TO ONE HOUR, THE SOLID POLYHYDRIC ALCOHOL ESTERS FORMING THE DISPERSED PHASE OF THE EMULSION HAVING AN OXYGEN CONTENT WHICH DOES NOT EXCEED THE OXYGEN CONTENT OF THE UNEMULSIFIED POLYHYDRIC ALCOHOL ESTERS BY MORE THAN 2.8%, THE VEHICLE SOLIDS DISPERSED PHASE CONTENT RANGEING FROM 10% TO 70%, BASED ON THE TOTAL WEIGHT OF WATER AND VEHICLE SOLIDS CONSTITUENTS OF THE EMULSION SURFACE COATING MATERIAL.
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) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |