Patent US2905650A successfully refreshed from Google Patents.
US2905650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil-modified glycerin-glycol-terephthalate resin
Assignee: General Electric Co
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Filing: 1954-12-10
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Granted: 1959-09-22
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Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 Maynard C Agens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:55
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/20; C08L; C08L67/00; C08L67/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
AN OIL-MODIFIED POLYESTER RESIN CONSISTING ESSENTIALLY OF THE PRODUCTS OF REACTION IN THE PRESENT OF CATALYTIC AMOUNTS OF AN ALCOHOLYSIS CATALYST AND AT ELEVATED TEMPERATURES OF A LOWER DIALKYL ESTER OF TEREPHTHALIC ACID. THERE BEING PRESENT FROM 1 TO 4 CARBONS ATOMS IN THE ALKYL GROUP OF THE AFORESAID DIALKYL ESTER, ETHYLENE GLYCOL, GLYCERINE, AND A FATTY OIL. THE PROPORTIONS OF THE REACTANT BEING SELECTED SO THAT THE RATIO OF THE MOLES OF FATTY OIL TO THE TOTAL MOLES OF REACTANTS IS FROM 0.01 TO 0.04, IN CLUSIVE, THE RATIO OF THE NUMBER OF MOLES OF GLYCERINE TO THE TOTAL MOLES OF REACTANTS IS FROM 0.075 TO 0.25, INCLUSIVE, THE RATIO OF THE MOLES OF HYDROXYL GROUPS TO THE MOLES OF TEREPHTHALY L RADICALS IS GREATER THAN 2.0 AND THE TATIO OF THE NUMBE OF MOLES OF GLYCERINE TO THE NUMBER OF MOLES OF ETHYLENE GLYCOL IS NOT MORE THAN 1.0.
Claim 2
Dependent Claim
151 words
AN OIL-MODIFIED POLYESTER RESIN CONSISTING ESSENTIALLY OF THE PRODUCTS OF REACTION IN THE PRESENT OF CATALYTIC AMOUNTS OF AN ALCOHOLYSIS CATALYST AND AT ELEVATED TEMPERATURES OF A LOWER DIALKYL ESTER OF TEREPHTHALIC ACID. THERE BEING PRESENT FROM 1 TO 4 CARBONS ATOMS IN THE ALKYL GROUP OF THE AFORESAID DIALKYL ESTER, ETHYLENE GLYCOL, GLYCERINE, AND A FATTY OIL. THE PROPORTIONS OF THE REACTANT BEING SELECTED SO THAT THE RATIO OF THE MOLES OF FATTY OIL TO THE TOTAL MOLES OF REACTANTS IS FROM 0.01 TO 0.04, IN CLUSIVE, THE RATIO OF THE NUMBER OF MOLES OF GLYCERINE TO THE TOTAL MOLES OF REACTANTS IS FROM 0.075 TO 0.25, INCLUSIVE, THE RATIO OF THE MOLES OF HYDROXYL GROUPS TO THE MOLES OF TEREPHTHALY L RADICALS IS GREATER THAN 2.0 AND THE TATIO OF THE NUMBE OF MOLES OF GLYCERINE TO THE NUMBER OF MOLES OF ETHYLENE GLYCOL IS NOT MORE THAN 1.0.
References Cited (Backward Citations)
US629490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |