Patent US3039017A successfully refreshed from Google Patents.
Patent US5221924A successfully refreshed from Google Patents.
US2995467A
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US
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Adhesive tapes and liners having release coatings of reaction products of epoxy polyester of long-chain saturated aliphatic acids and certain amine-aldehyde thermosetting resins
Assignee: Saint Gobain Abrasives Inc
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Filing: 1959-02-06
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Granted: 1961-08-08
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Expires: 1979-02-06
Abstract
No abstract record available.
Inventors
- 👤 Charles S Webber
- 👤 Elisha B Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:46
CPC Classifications
C; C08; C08L; C08L63/00; C08L63/10; C09; C09J; C09J7/00; C09J7/20; C09J7/201; C09J7/21; C09J2301/00; C09J2301/30; C09J2301/302; C09J2400/00; C09J2400/20; C09J2400/26; C09J2400/263; C09J2461/00; C09J2461/005; C09J2463/00; C09J2463/005; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839; Y10T428/31504; Y10T428/31511; Y10T428/31942
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
A LINER FOR DOUBLE FACED PRESSURE SENSITIVE ADHESIVE TAPE COMPRISING A FIBROUS WEB HAVING A COATING ON BOTH SIDES THEREOF CONSISTING OF THE REACTION PRODUCT OF A MIXTURE OF (1) A LONG CHAIN FATTY ACID POLYESTER OF AN EPOXYPOLYFUNCTIONAL PHENOLIC RESIN HAVING AN EPOXIDE EQUIVALENT OF FROM ABOUT 225 TO 2400, SAID LONG CHAIN FATTY ACID BEING A SATURATED ACID WITH A CHAIN LENGTH OF AT LEAST 16 CARBON ATOMS, (2) A RESIN SELECTED FROM THE GROUP CONSISTING OF ALKYLATED MELAMINE FORMALDEHYDE RESINS AND ALKYLATED UREA FORMALDEHYDE RESINS, AND (3) AN ACID CATALYST COMPATIBLE AND MUTUALLY SOLUBLE WITH SAID RESINS,
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |