Patent US2541977A successfully refreshed from Google Patents.
US2541977A
Expired / Lapsed
US
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Flatting agent and method for the production thereof
Assignee: U S Ind Chemicals Inc
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Filing: 1947-06-04
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Granted: 1951-02-20
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Expires: 1967-06-04
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Earhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:18
CPC Classifications
C; C09; C09F; C09F1/00; C09D; C09D167/00; C09D167/08; C09D7/00; C09D7/40; C09D7/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PRODUCT SUITABLE FOR USE AS A FLATTENING AGENT COMPRISING A METALLIC SALT OF A RAW, NONPYROLIZED RESIN AND PARTICLES OF NON-ACIDIC MATERIAL OF THE RESIN IN ITS ORIGINAL RAW, INSOLUBLE STATE DISPERSED THROUGHOUT SAID SALT, SAID PARTICLES BEING SUFFICIENTLY LARGE THAT FILMS FORMED FROM COATING COMPOSITIONS CONTAINING 15% OF SAID PARTICLES BASED ON THE TOTAL WEIGHT OF NONVOLALITIES OF THE COATING COMPOSITION WILL HAVE A RELATIVELY "FLAT" SURFACE, THE RESIN BEING ONE FROM THE GROUP CONSISTING OF THE FOSSIL, SEMI-FOSSIL AND SEMI-RECENT CONGO RESINS, AND THE METAL BEING ONE FROM THE GROUP CONSISTING OF ALUMINUM, MAGNESIUM, CALCIUM, STRONTIUM, BARIUM, ZINC AND ZIRCONIUM.
Claim 2
Dependent Claim
103 words
A PRODUCT SUITABLE FOR USE AS A FLATTENING AGENT COMPRISING A METALLIC SALT OF A RAW, NONPYROLIZED RESIN AND PARTICLES OF NON-ACIDIC MATERIAL OF THE RESIN IN ITS ORIGINAL RAW, INSOLUBLE STATE DISPERSED THROUGHOUT SAID SALT, SAID PARTICLES BEING SUFFICIENTLY LARGE THAT FILMS FORMED FROM COATING COMPOSITIONS CONTAINING 15% OF SAID PARTICLES BASED ON THE TOTAL WEIGHT OF NONVOLALITIES OF THE COATING COMPOSITION WILL HAVE A RELATIVELY "FLAT" SURFACE, THE RESIN BEING ONE FROM THE GROUP CONSISTING OF THE FOSSIL, SEMI-FOSSIL AND SEMI-RECENT CONGO RESINS, AND THE METAL BEING ONE FROM THE GROUP CONSISTING OF ALUMINUM, MAGNESIUM, CALCIUM, STRONTIUM, BARIUM, ZINC AND ZIRCONIUM.
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) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |