US3061580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated polyester resins containing a lithium halide as stabilizer and method ofmaking
Assignee: Honeywell International Inc
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Filing: 1959-10-22
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Granted: 1962-10-30
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Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Warren O Erickson
- 👤 William J Connolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:08
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF STABILIZING A RESINOUS COPOLYMERIZABLE MIXTURE AGAINST PREMATURE GELATION THAT COMPRISES: ADMIXING (1) UNSATURATED POLYESTER RESIN DERIVED FROM POLYHYDRIC ALCOHOL THAT COMPRISES AT LEAST 95 MOL PERCENT DIHYDRIC ALCOHOL AND POLYCARBOXYLIC ACID THAT COMPRISES AT LEAST 20 MOLS PERCENT ALPHA-BETA UNSATURATED DICARBOXYLIC ACID, AND HAVING AN ACID NUMBER NO HIGHER THAN 100, (2) A COPOLYMERIZABLE COMPOUND CONTAINING AT LEAST ONE CH2=C< GROUP AND HAVING A BOILING POINT ABOVE 60*C., AND (3) A SMALL STABLIZING AMOUNT OF A LITHIUM HALIDE.
Claim 2
Independent Claim
81 words
A METHOD OF STABILIZING A RESINOUS COPOLYMERIZABLE MIXTURE AGAINST PREMATURE GELATION THAT COMPRISES: ADMIXING (1) UNSATURATED POLYESTER RESIN DERIVED FROM POLYHYDRIC ALCOHOL THAT COMPRISES AT LEAST 95 MOL PERCENT DIHYDRIC ALCOHOL AND POLYCARBOXYLIC ACID THAT COMPRISES AT LEAST 20 MOLS PERCENT ALPHA-BETA UNSATURATED DICARBOXYLIC ACID, AND HAVING AN ACID NUMBER NO HIGHER THAN 100, (2) A COPOLYMERIZABLE COMPOUND CONTAINING AT LEAST ONE CH2=C< GROUP AND HAVING A BOILING POINT ABOVE 60*C., AND (3) A SMALL STABLIZING AMOUNT OF A LITHIUM HALIDE.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |