Patent US2259785A successfully refreshed from Google Patents.
Patent US3300330A successfully refreshed from Google Patents.
US3300330A
Expired / Lapsed
US
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Carrier sheet containing on opposite sides a formaldehyde modified starch release coating and a formaldehyde modified starch tacky coating
Assignee: Johnson and Johnson
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Filing: 1962-10-09
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Granted: 1967-01-24
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Expires: 1982-10-09
Abstract
No abstract record available.
Inventors
- 👤 Vassel Bruno
- 👤 Furtner Vinibalda
- 👤 Feige Hans Israel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:17
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/28; C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J2400/00; C09J2400/20; C09J2400/26; C09J2400/263; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2835; Y10T428/2839
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A CARRIER SHEET FOR USE IN THE MANUFACTURE OF FILM BACK PRESSURE-SENSITIVE ADHESIVE SHEETS AND ADAPTED TO BE ROLLED UP AS AN INTERLINER FOR THE SAME, COMPRISING A FIBROUS SUBSTRATE CONTAINING ON ONE SIDE THEREOF A PLASTICIZED COATING ADAPTED TO RELEASE READILY FROM PRESSURESENSITIVE ADHESIVES AND CONSISTING ESSENTIALLY OF A FORMALDEHYDE MODIFIED STARCH AND A SILICONE EMULSION RELEASE AGENT AND CONTAINING ON THE OPPOSITE SIDE THEREOF A PLASTICIZED COATING ADAPTED TO ADHERE TO FILM BACKINGS AND CONSISTING ESSENTIALLY OF A FORMALDEHYDE MODIFIED STARCH AND A SUBSTANCE WHICH IS TACKY WITH RESPECT TO SAID FILMS.
Claim 2
Dependent Claim
94 words
A CARRIER SHEET FOR USE IN THE MANUFACTURE OF FILM BACK PRESSURE-SENSITIVE ADHESIVE SHEETS AND ADAPTED TO BE ROLLED UP AS AN INTERLINER FOR THE SAME, COMPRISING A FIBROUS SUBSTRATE CONTAINING ON ONE SIDE THEREOF A PLASTICIZED COATING ADAPTED TO RELEASE READILY FROM PRESSURESENSITIVE ADHESIVES AND CONSISTING ESSENTIALLY OF A FORMALDEHYDE MODIFIED STARCH AND A SILICONE EMULSION RELEASE AGENT AND CONTAINING ON THE OPPOSITE SIDE THEREOF A PLASTICIZED COATING ADAPTED TO ADHERE TO FILM BACKINGS AND CONSISTING ESSENTIALLY OF A FORMALDEHYDE MODIFIED STARCH AND A SUBSTANCE WHICH IS TACKY WITH RESPECT TO SAID FILMS.
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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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |