Patent US2634211A successfully refreshed from Google Patents.
Patent US3679458A successfully refreshed from Google Patents.
US3679458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive adhesive tape
Assignee: MYSTIK TAPE Corp AN IL CORP
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Filing: 1970-06-23
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Granted: 1972-07-25
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Expires: 1990-06-23
Abstract
Abstract A RELEASE COATING FOR PRESSURE SENSITIVE ADHESIVE TAPE PREPARED BY ADMIXING AN ORGANIC TITIANATE WITH A POLYSILOXANE HAVING HYDROXYL GROUPS TO FORM A REACTION PRODUCT OF SAID SIOLOXANE AND TITANATE IN AN AROMATIC SOLVENT AND FUTHER ADMIXING WITH SAID REACTION PRDUCT IN AROMATIC ORGANIC SOLVENT SOLUTION A (HIGHER) ALKYL COMPOUND HAVING AN ACTIVE HYDROGEN ATOM OR A POLYMER HAVING ACTIVE HYDROGEN ATOMS CONTAINING A MAJOR PROPORTION OF SUCH ALKYL COMPOUND POLYMERIZED THEREIN. THE SOLVENT IS EVAPORATED TO LEAVE THE RELEASE COAT OF THIS INVENTION WHICH IS USED ON PRESSURE SENSITIVE TAPES.
Inventors
- 👤 Henry P Sorell
- 👤 Eugene Pomazak
- 👤 Sven Rygg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:09
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/14; C09; C09J; C09J7/00; C09J7/20; C09J7/201; C09J7/21; C09J7/22; C09J7/30; C09J7/38; C09J2407/00; C09J2421/00; C09J2429/00; C09J2433/00; C09J2475/00; C09J2475/005; C09J2483/00; C09J2483/005; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839; Y10T428/2852; Y10T428/2857; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31855
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) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |