US2913355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive tape with low adhesion backsize coating
Assignee: Johnson and Johnson
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Filing: 1955-12-27
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Granted: 1959-11-17
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Expires: 1975-12-27
Abstract
No abstract record available.
Inventors
- 👤 Collins Winifred Christina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:00
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J7/201; C09J2301/00; C09J2301/40; C09J2301/414; C09J2400/00; C09J2400/20; C09J2400/26; C09J2400/263; C09J2400/28; C09J2400/283; C09J2401/00; C09J2401/005; C09J2425/00; C09J2425/005; C09J2427/00; C09J2427/005; C09J2461/00; C09J2461/005; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
161 words
THE METHOD OF FORMING A SHEET HVING HIGH RELEASE PROPERTIES, WHEN IN CONTACT WITH A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE, ON AT LEAST ONE SIDE THEREOF, COMPRISING APPLYING TO AT LEAST ONE SIDE OF SAID SHEET A BACKSIZE COMPOSITION COMPRISING A FILM-FORMER AGENT HAVING THE CHARACTERISTICS OF TOUGHNESS, FLEXIBILITY AND GOOD ADHESION TO THE SURFACE TO WHICH SAID BACKSIZE COMPOSITION IS TO BE APPLIED, A RELEASE AGENT IN A LESSER AMOUNT AND HAVING THE CHARACTERISTICS OF LIMITED COMPATIBITILY WITH SAID FILM-FORMER, AN ACTIVE SOLVENT IN WHICH SAID FILM-FORMER IS SOLUBLE, AND A SELECTIVE SOLVENT IN WHICH SAID SOLVENT FOR SAID RELEASE AGENT AND A NON-SOLVENT FOR SAID FILM-FORMER, SAID ACTIVE SOLVENT AND SAID SELECTIVE SOLVENT BEING MISCIBLE WITH EACH OTHER AND IN AMOUNTS TO FORM A SUBSTANTIALLY HOMOGENEOUS AND RELATIVELY STABLE SOLUTION, AND THEN DRYING SAID SHEET TO FORM A COATING ON AT LEAST ONE SIDE THEREOF HAVING HIGH RELEASE CHARACTERISTICS WHEN IN CONTACT WITH A NORMALLY TACKY AND PRESSURESENSITIVE ADHESIVE.
References Cited (Backward Citations)
GB531497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |