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US3787526A
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Non-linear polyesters from a dicarboxylic acid,etherified diphenol and an alkoxylated polyhydroxy compound
Assignee: Beazer East Inc
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Filing: 1971-10-22
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Granted: 1974-01-22
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Expires: 1991-10-22
Abstract
Abstract NEW POLYESTER COMPOSITIONS WHICH CONTAIN RESIDUES OF POLYFUNCTIONAL POLYHYDROXY MATERIALS AS CHAIN BRANCHING MEMBER THEREOF, SOLUTIONS OF SAID POLYESTER COMPOSITIONS IN UNSATURATED MONOMERS AND THE CURED PRODUCT OF SAID SOLUTIONS ARE DISCLOSED. THE POLYESTER COMPOSITIONS AS A CLASS ARE CHARACTERISTICALLY TOUGH AND HAVE LIQUID AND TACK POINTS WITH A SPECIFIC TEMPERATURE RANGE.
Inventors
- 👤 E Kuehn
- 👤 J Burns
- 👤 J Feltzin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:08
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/91; C08G63/914; C08G63/918; C08G63/66; C08G63/668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |