US3133826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat hardenable, polyester resin coating
Assignee: Chausson Usines SA
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Filing: 1961-02-21
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Granted: 1964-05-19
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Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 Varlet Pierre Paul William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:03
CPC Classifications
C; C09; C09D; C09D151/00; C09D151/08; C08; C08F; C08F283/00; C08F283/01; C08K; C08K5/00; C08K5/36; C08K5/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
PROCESS FOR THE TWO-STAGE FORMATION OF A POLYESTER RESIN WHICH COMPRISES IN A FIRST STAGE PARTIALLY POLYMERIZING A MIXTURE OF A POLYHYDRIC ALCOHOL ESTER OF A DIBASIC ORGAINIC ACID AND AN ALLYL MONOMER IN THE PRESENCE OF AN OXIDATION TYPE POLYMERIZATION CATALYST AND IN THE PRESENCE OF A FIBROUS SUPPORT AND OF A LIMITED ACTION POLYMERIZATION ACCELERATOR COMPOSITION INCLUDING A MERCAPTAN AND STANNOUS CHLORIDE IN SOLUTION IN A SOLVENT MODIFYING THE ACCELERATING ACTION OF THE STANNOUS CHLORIDE AT A TEMPERATURE BETWEEN ABOUT 70* AND ABOUT 80*C. FOR ABOUT 5 MINUTES TO OBTAIN A PARTIAL POLYMER IN THE FORM OF A VISCOUS JELLY IMPREGNATING SAID SUPPORT, COOLING THE JELLY TO ABOUT 22*C., TREATING THE RESIN WITH A POLYMERIZATION ACCELATOR AT SAID COOL TEMPERATURE, AND THEN IN A SECOND STAGE COMPLETING THE POLYMERIZATION WITH APPLICATION OF HEAT AT A TEMPERATURE OF ABOUT 150*C.
Claim 2
Dependent Claim
141 words
PROCESS FOR THE TWO-STAGE FORMATION OF A POLYESTER RESIN WHICH COMPRISES IN A FIRST STAGE PARTIALLY POLYMERIZING A MIXTURE OF A POLYHYDRIC ALCOHOL ESTER OF A DIBASIC ORGAINIC ACID AND AN ALLYL MONOMER IN THE PRESENCE OF AN OXIDATION TYPE POLYMERIZATION CATALYST AND IN THE PRESENCE OF A FIBROUS SUPPORT AND OF A LIMITED ACTION POLYMERIZATION ACCELERATOR COMPOSITION INCLUDING A MERCAPTAN AND STANNOUS CHLORIDE IN SOLUTION IN A SOLVENT MODIFYING THE ACCELERATING ACTION OF THE STANNOUS CHLORIDE AT A TEMPERATURE BETWEEN ABOUT 70* AND ABOUT 80*C. FOR ABOUT 5 MINUTES TO OBTAIN A PARTIAL POLYMER IN THE FORM OF A VISCOUS JELLY IMPREGNATING SAID SUPPORT, COOLING THE JELLY TO ABOUT 22*C., TREATING THE RESIN WITH A POLYMERIZATION ACCELATOR AT SAID COOL TEMPERATURE, AND THEN IN A SECOND STAGE COMPLETING THE POLYMERIZATION WITH APPLICATION OF HEAT AT A TEMPERATURE OF ABOUT 150*C.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |