Patent US2938006A successfully refreshed from Google Patents.
US2938006A
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US
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Rosin modified poly
Assignee: Uniroyal Inc
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Filing: 1959-05-15
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Granted: 1960-05-24
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Expires: 1979-05-15
Abstract
No abstract record available.
Inventors
- 👤 Frank B Root
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:03
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/553; C08G63/66; C08G63/668; C08G63/676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A RESIN CONSISTING ESSENTIALLY OF A POLYMERIZABLE SOLIDS DIELS-ALDER REACTION PRODUCT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ROSIN AND ABIETIC ACID WITH A FUMARATE POLYESTER OF AN ALIPHATIC GLYCOL, CONTAINING FROM 2 TO 6 CARBON ATOMS, AND A FUMARIC ACID, IN WHICH RESIN THE PROPORTION OF SAID MATERIAL RANGES FROM ABOUT 30 TO ABOUT 230 GRAMS FOR EACH GRAM-MOLE OF THE FUMARIC ACID CONSTITUENT OF THE FUMARATE POLYESTER, AND THE SAID REACTION PRODUCT CONTAINING DOUBLE BONDS ATTRIBUTABLE TO UNREACTED FUMARATE GROUPS.
Claim 2
Dependent Claim
84 words
A RESIN CONSISTING ESSENTIALLY OF A POLYMERIZABLE SOLIDS DIELS-ALDER REACTION PRODUCT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ROSIN AND ABIETIC ACID WITH A FUMARATE POLYESTER OF AN ALIPHATIC GLYCOL, CONTAINING FROM 2 TO 6 CARBON ATOMS, AND A FUMARIC ACID, IN WHICH RESIN THE PROPORTION OF SAID MATERIAL RANGES FROM ABOUT 30 TO ABOUT 230 GRAMS FOR EACH GRAM-MOLE OF THE FUMARIC ACID CONSTITUENT OF THE FUMARATE POLYESTER, AND THE SAID REACTION PRODUCT CONTAINING DOUBLE BONDS ATTRIBUTABLE TO UNREACTED FUMARATE GROUPS.
References Cited (Backward Citations)
US2411904A
Cited
US2514389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |