US2884388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions containing organosiloxanes
Assignee: Dow Silicones Corp
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Filing: 1955-10-21
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Granted: 1959-04-28
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Expires: 1975-10-21
Abstract
No abstract record available.
Inventors
- 👤 Robert C Hedlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:50
CPC Classifications
C; C09; C09D; C09D201/00; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A COMPOSITION OF MATTER COMPRISING (1) AN ORGANIC FILM-FORMING COATING RESIN, (2) A METALLIC PIGMENT IN AMOUNT FROM 5-100 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE COATING RESIN, AND (3) FROM 01-2 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE COATING RESIN OF A BENZENE SOLUBLE ORGANOPOLYSILOXANE OF AT LEAST 50,000 CS. VISCOSITY AT 25* C., SAID SILOXANE HAVING ON THE AVERAGE FROM 1.99 TO 2.01 MONOVALENT HYDROCARBON RADICALS PER SILICON ATOM, AT LEAST 50 PERCENT OF THE POLYMER UNITS IN SAID SILOXANE BEING OF THE FORMULA RMESIO IN WHICH ME IS THE METHYL RADICAL AND R IS AN ALIPHATIC HYDROCARBON RADICAL OF LESS THAN 4 CARBON ATOMS AND ANY REMAINING POLYMER UNITS BEING OF THE FORMULA
Claim 2
Dependent Claim
122 words
A COMPOSITION OF MATTER COMPRISING (1) AN ORGANIC FILM-FORMING COATING RESIN, (2) A METALLIC PIGMENT IN AMOUNT FROM 5-100 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE COATING RESIN, AND (3) FROM 01-2 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE COATING RESIN OF A BENZENE SOLUBLE ORGANOPOLYSILOXANE OF AT LEAST 50,000 CS. VISCOSITY AT 25* C., SAID SILOXANE HAVING ON THE AVERAGE FROM 1.99 TO 2.01 MONOVALENT HYDROCARBON RADICALS PER SILICON ATOM, AT LEAST 50 PERCENT OF THE POLYMER UNITS IN SAID SILOXANE BEING OF THE FORMULA RMESIO IN WHICH ME IS THE METHYL RADICAL AND R IS AN ALIPHATIC HYDROCARBON RADICAL OF LESS THAN 4 CARBON ATOMS AND ANY REMAINING POLYMER UNITS BEING 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) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |