Patent DE571345C successfully refreshed from Google Patents.
US3094432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating adhesive coated blanks to nullify the adhesive effect in selected areas
Assignee: Jagenberg Werke AG
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Filing: 1960-03-14
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Granted: 1963-06-18
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Expires: 1980-03-14
Abstract
No abstract record available.
Inventors
- 👤 Meyer-Jagenberg Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:45
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/06; B65D5/067; B65D5/068; B29; B29C; B29C65/00; B29C65/76; B29C66/00; B29C66/004; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/43122; B29C66/432; B29C66/4322; B29C66/70; B29C66/71; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29L; B29L2031/00; B29L2031/712; B29L2031/7162; B29L2031/7166; Y; Y10; Y10S; Y10S493/00; Y10S493/901; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/3179
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A METHOD OF TREATING WORKPIECES OF PAPER, CARDBOARD OR THE LIKE MATERIAL THAT HAVE BEEN COMPLETELY SURFACE-COATED ON ONE FACE THEREOF WITH A THERMOPLASTIC SYNTHETIC RESIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYVINYLIDENE CHLORIDE CAPABLE OF PROVIDING AN ADHESIVE EFFECT UNDER THE ACTION OF HEAT AND PRESSURE, SAID METHOD COMPRISNG SUBJECTING A LIMITED SURFACE AREA OF THE COATED FACE OF SAID WORKPIECE TO A LOCAL TREATMENT WITH A LIQUID PENETRANT SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, ACETONE AND SULFURIC ACID TO REACT WITH THE THERMOPLASTIC SYNTHETIC RESIN AND CAUSE SUCH A CHANGE IN THE CONDITION OF SAID THERMOPLASTIC
Claim 2
Independent Claim
101 words
A METHOD OF TREATING WORKPIECES OF PAPER, CARDBOARD OR THE LIKE MATERIAL THAT HAVE BEEN COMPLETELY SURFACE-COATED ON ONE FACE THEREOF WITH A THERMOPLASTIC SYNTHETIC RESIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND POLYVINYLIDENE CHLORIDE CAPABLE OF PROVIDING AN ADHESIVE EFFECT UNDER THE ACTION OF HEAT AND PRESSURE, SAID METHOD COMPRISNG SUBJECTING A LIMITED SURFACE AREA OF THE COATED FACE OF SAID WORKPIECE TO A LOCAL TREATMENT WITH A LIQUID PENETRANT SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, ACETONE AND SULFURIC ACID TO REACT WITH THE THERMOPLASTIC SYNTHETIC RESIN AND CAUSE SUCH A CHANGE IN THE CONDITION OF SAID THERMOPLASTIC
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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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |