US3300436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting composition for light polarizing film
Assignee: Individual
•
Filing: 1962-12-11
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Granted: 1967-01-24
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Expires: 1982-12-11
Abstract
No abstract record available.
Inventors
- 👤 Alvin M Marks
- 👤 Mortimer M Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:57
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/16; C08K13/00; C08K13/02; C08K3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A CASTING COMPOSITIONS FOR PRODUCING LIGHT POLARIZING FILM CONSISTING ESSENTIALLY OF A LINEAR HIGH POLYMER VINYL RESIN HAVING THE PROPERTY OF CRYSTALLIZING WHEN ORIENTED BY STRETCH, AND IODINE A MATERIAL HAVING THE PROPERTY OF IMPARTING LIGHT-POLARIZING PROPERTIES OF ORIENTED VINYL RESINS WHICH COMPRISES A TOTAL SOLUTION OF 10,000 PARTS OF THE ORDER OF (A) 1400 PARTS TEMPORARY PLASTICIZER (B) 920 PARTS VINYL RESIN (C) 200 PARTS IODINE AND 10 PARTS LITHIUM IODIDE A CROSSLINKING AGENT: THE TEMPORARY PLASTICIZER HAVING A VAPOR PRESSURE AT 20*C. BETWEEN ABOUT 0.1 MM. AND ABOUT 10 MM. OF MERCURY, SAID TEMPORARY PLASTICIZER BEING PRESENT IN AMOUNT FROM 60 TO 120% BY WEIGHT OF THE TOTAL SOLIDS IN SAID SOLUTION; AND (D) A VOLATILE SOLVENT HAVING A VAPOR PRESSURE OF 20*C. IN EXCESS OF 10 MM. OF MERCURY, SAID VOLATILE SOLVENT COMPRISING THE BALANCE OF SAID SOLUTION.
Claim 2
Dependent Claim
141 words
A CASTING COMPOSITIONS FOR PRODUCING LIGHT POLARIZING FILM CONSISTING ESSENTIALLY OF A LINEAR HIGH POLYMER VINYL RESIN HAVING THE PROPERTY OF CRYSTALLIZING WHEN ORIENTED BY STRETCH, AND IODINE A MATERIAL HAVING THE PROPERTY OF IMPARTING LIGHT-POLARIZING PROPERTIES OF ORIENTED VINYL RESINS WHICH COMPRISES A TOTAL SOLUTION OF 10,000 PARTS OF THE ORDER OF (A) 1400 PARTS TEMPORARY PLASTICIZER (B) 920 PARTS VINYL RESIN (C) 200 PARTS IODINE AND 10 PARTS LITHIUM IODIDE A CROSSLINKING AGENT: THE TEMPORARY PLASTICIZER HAVING A VAPOR PRESSURE AT 20*C. BETWEEN ABOUT 0.1 MM. AND ABOUT 10 MM. OF MERCURY, SAID TEMPORARY PLASTICIZER BEING PRESENT IN AMOUNT FROM 60 TO 120% BY WEIGHT OF THE TOTAL SOLIDS IN SAID SOLUTION; AND (D) A VOLATILE SOLVENT HAVING A VAPOR PRESSURE OF 20*C. IN EXCESS OF 10 MM. OF MERCURY, SAID VOLATILE SOLVENT COMPRISING THE BALANCE OF SAID SOLUTION.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |