Patent US2851424A successfully refreshed from Google Patents.
US2851424A
Expired / Lapsed
US
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Fluorescent compositions
Assignee: Switzer Brothers Inc
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Filing: 1957-06-28
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Granted: 1958-09-09
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Expires: 1977-06-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Switzer
- 👤 Robert C Switzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:33
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/22; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/31678; Y10T428/31688
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A FLUORESCENT COATING COMPOSITION COMPRISING A POLYMERIZED INFUSIBLE RESIN, A FLUORESCENT DYE DISSOLVED IN SAID RESIN, SAID RESIN BEING IN A POWDERED STATE, AND A TRANSPARENT VEHICLE FOR SAID RESIN, SAID FLUORESCENT DYE BEING OF THE CLASS CONSISTING OF XANTHENE DYESTUFFS AND NAPHTHYL-IMIDE DYESTUFFS AND SAID RESIN BEING OF THE CLASS CONSISTING OF UREA FORMALDEHYDE; UREA-FORMALDEHYDE MODIFIED BY MONOHYDRIC ALCOHOLS CONSISTING OF METHYL, BUTYL, ISOBUTYL, AND OCTYL ALCOHOLS; UREA FORMALDEHYDE RESINS MODIFIED BY POLYHYDRIC ALCOHOLS CONSISTING OF BUTANEDIOL, GLYCERINE, PENTAERYTHRITOL, AND SORBITOL; DI-CYANDIAMIDEFORMALDEHYDE; UREA-ACETALDEHYDE, BIERUT-FORMALDEHYDE; ISOCYANURIC ACID DI-IMIDE FORMALDEHYDE; CYANURAMIDEFORMALDEHYDE, BUTYL ALCOHOL MODIFIED CYANURAMIDE-FORMALDEHYDE; CYANURAMIDE-BUTYRALDEHYDE; CARBAMIDE-BUTYLCARBAMIDE-FORMALDEHYDE; ACETAMIDE-UREA-FORMALDEHYDE; AND MIXTURES AND CO-CONDENSATES INCLUDING CO-CONDENSATES WITH TOLUENE SULFONAMIDE THEREOF.
Claim 2
Dependent Claim
107 words
A FLUORESCENT COATING COMPOSITION COMPRISING A POLYMERIZED INFUSIBLE RESIN, A FLUORESCENT DYE DISSOLVED IN SAID RESIN, SAID RESIN BEING IN A POWDERED STATE, AND A TRANSPARENT VEHICLE FOR SAID RESIN, SAID FLUORESCENT DYE BEING OF THE CLASS CONSISTING OF XANTHENE DYESTUFFS AND NAPHTHYL-IMIDE DYESTUFFS AND SAID RESIN BEING OF THE CLASS CONSISTING OF UREA FORMALDEHYDE; UREA-FORMALDEHYDE MODIFIED BY MONOHYDRIC ALCOHOLS CONSISTING OF METHYL, BUTYL, ISOBUTYL, AND OCTYL ALCOHOLS; UREA FORMALDEHYDE RESINS MODIFIED BY POLYHYDRIC ALCOHOLS CONSISTING OF BUTANEDIOL, GLYCERINE, PENTAERYTHRITOL, AND SORBITOL; DI-CYANDIAMIDEFORMALDEHYDE; UREA-ACETALDEHYDE, BIERUT-FORMALDEHYDE; ISOCYANURIC ACID DI-IMIDE FORMALDEHYDE; CYANURAMIDEFORMALDEHYDE, BUTYL ALCOHOL MODIFIED CYANURAMIDE-FORMALDEHYDE; CYANURAMIDE-BUTYRALDEHYDE; CARBAMIDE-BUTYLCARBAMIDE-FORMALDEHYDE; ACETAMIDE-UREA-FORMALDEHYDE; AND MIXTURES AND CO-CONDENSATES INCLUDING CO-CONDENSATES WITH TOLUENE SULFONAMIDE THEREOF.
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) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |