Patent US2774745A successfully refreshed from Google Patents.
US2774745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-slip nitrocellulose lacquers
Assignee: Dow Silicones Corp
•
Filing: 1952-11-17
•
Granted: 1956-12-18
•
Expires: 1972-11-17
Abstract
No abstract record available.
Inventors
- 👤 Robert C Hedlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:10
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/16; C09D101/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF (1) 25 TO 90 PERCENT BY WEIGHT NITROCELLULOSE, (2) 10 TO 75 PERCENT BY WEIGHT ALKYD RESIN COMPATIBLE WITH NITROCELLULOSE AND (3) .01 TO 5.0 PERCENT BY WEIGHT BASED ON THE TOTAL WEIGHT OF (1) AND (2) OF AN ORGANOPOLYSILOXANE FLUID BOILING ABOVE 225*C. AND IN SAID FLUID, THE ORGANIC RADICALS ARE MONOVALENT HYDROCARBON RADICALS WHICH ARE BONDED TO SILICON ATOMS BY SI-C BONDS.
Claim 2
Dependent Claim
71 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF (1) 25 TO 90 PERCENT BY WEIGHT NITROCELLULOSE, (2) 10 TO 75 PERCENT BY WEIGHT ALKYD RESIN COMPATIBLE WITH NITROCELLULOSE AND (3) .01 TO 5.0 PERCENT BY WEIGHT BASED ON THE TOTAL WEIGHT OF (1) AND (2) OF AN ORGANOPOLYSILOXANE FLUID BOILING ABOVE 225*C. AND IN SAID FLUID, THE ORGANIC RADICALS ARE MONOVALENT HYDROCARBON RADICALS WHICH ARE BONDED TO SILICON ATOMS BY SI-C BONDS.
References Cited (Backward Citations)
US2655489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |