Patent US3050406A successfully refreshed from Google Patents.
US3050406A
Expired / Lapsed
US
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Coating material additive
Assignee: Individual
•
Filing: 1960-04-28
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Granted: 1962-08-21
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Expires: 1980-04-28
Abstract
No abstract record available.
Inventors
- 👤 Wesley N Karlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:17
CPC Classifications
C; C09; C09D; C09D7/00; C09D7/40; C09D7/60; C09D7/61; C08; C08K; C08K3/00; C08K3/10; C08K3/105; C08K3/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
AN ADDITIVE FOR INCORPORATING IN FILM FORMING COATING COMPOSITION OF THE TYPE INCLUDING LACQUERS, SEALERS, SOLVENT BASE PAINTS, OIL BASE PAINTS, WATER BASE PAINTS, AND RESIN EMULSION AND LATEX EMULSION PAINTS, SAID ADDITIVE COMPRISING A MIXTURE OF CHEMICALS CONSISTING OF ESSENTIALLY ABOUT 60% SODIUM POLYPHOSPHATE, 20% MONOSODIUM PHOSPHATE, 10% SODIUM ACID PYROPHOSPHATE AND 10% OF A REDUCING AGENT, SAID ADDITIVE BEING EFFECTIVE TO RENDER THE FINAL COATING FILM IMPROVED WITH RESPECT TO BONDING AND ADHERENCE CHARACTERISTICS AND WITH RESPECT TO RESISTANCE TO WEATHERING, AGING AND TO CHEMICAL AGENTS.
Claim 2
Dependent Claim
88 words
AN ADDITIVE FOR INCORPORATING IN FILM FORMING COATING COMPOSITION OF THE TYPE INCLUDING LACQUERS, SEALERS, SOLVENT BASE PAINTS, OIL BASE PAINTS, WATER BASE PAINTS, AND RESIN EMULSION AND LATEX EMULSION PAINTS, SAID ADDITIVE COMPRISING A MIXTURE OF CHEMICALS CONSISTING OF ESSENTIALLY ABOUT 60% SODIUM POLYPHOSPHATE, 20% MONOSODIUM PHOSPHATE, 10% SODIUM ACID PYROPHOSPHATE AND 10% OF A REDUCING AGENT, SAID ADDITIVE BEING EFFECTIVE TO RENDER THE FINAL COATING FILM IMPROVED WITH RESPECT TO BONDING AND ADHERENCE CHARACTERISTICS AND WITH RESPECT TO RESISTANCE TO WEATHERING, AGING AND TO CHEMICAL AGENTS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |