US2707805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Making films and fibers from normally crystalline polymer latices
Assignee: Dow Chemical Co
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Filing: 1951-09-04
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Granted: 1955-05-10
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Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Cornelius P Smith
- 👤 Boeuf Edgar W Le
- 👤 Mcintire Otis Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; Y; Y10; Y10S; Y10S260/00; Y10S260/23; Y10S264/00; Y10S264/08; Y10S264/47; Y10S57/00; Y10S57/907
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
49 words
A PROCESS COMPRISING THE STEPS OF DEPOSITING A THIN LAYER OF A POLYMER EMULSION OF AT LEAST 30 PER CENT SOLIDS CONTENT BY WEIGHT IN WHICH SUBSTANTIALLY ALL THE POLYMER PARTICLES ARE UNDER 2000 ANGSTROM UNITS IN DIAMETER, AND CONSISTING PREDOMINANTLY OF AT LEAST ONE 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) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |