US3303146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-filled porous plastic structures and methods for making them
Assignee: International Business Machines Corp
•
Filing: 1963-12-30
•
Granted: 1967-02-07
•
Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Chebiniak Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:19
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; B; B41; B41M; B41M5/00; B41M5/10; B41N; B41N7/00; B41N7/06; C08J9/24; B41N2207/00; B41N2207/02; B41N2207/14; C08J2201/00; C08J2201/04; C08J2201/05; C08J2201/0504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD FOR PRODUCING INK-FILLED POROUS PLASTIC PRINTING STRUCTURE COMPRISING: (A) MIXING AN AQUEOUS THERMOPLASTIC POLYMER LATES AND A SECONDARY PLASTICIZER CONTAINING A COLORING AGENT, (B) COAGULATING SAID LATEX AND SECONDARY PLASTICIZER CONTAINING SAID COLORING AGENT, (C) REMOVING THE WATER FROM SAID COAGULATED MATERIAL BY FIRST CENTRIFUGING AND THEN DRYING THE CENTRIFUGED PRODUCT, AND FINALLY, (D) HEATING FOR ONLY A TIME SUFFICIENT TO FUSE THE THERMOPLASTIC POLYMER TO FORM A POROUS STRUCTURE HAVING AT LEAST SOME OF SAID SECONDARY PLASTICIZER CONTAINING THE COLORING AGENT IN THE PORES CAPABLE OF BEING EXUDED IN RESPONSE TO PRESSURE.
Claim 2
Independent Claim
95 words
A METHOD FOR PRODUCING INK-FILLED POROUS PLASTIC PRINTING STRUCTURE COMPRISING: (A) MIXING AN AQUEOUS THERMOPLASTIC POLYMER LATES AND A SECONDARY PLASTICIZER CONTAINING A COLORING AGENT, (B) COAGULATING SAID LATEX AND SECONDARY PLASTICIZER CONTAINING SAID COLORING AGENT, (C) REMOVING THE WATER FROM SAID COAGULATED MATERIAL BY FIRST CENTRIFUGING AND THEN DRYING THE CENTRIFUGED PRODUCT, AND FINALLY, (D) HEATING FOR ONLY A TIME SUFFICIENT TO FUSE THE THERMOPLASTIC POLYMER TO FORM A POROUS STRUCTURE HAVING AT LEAST SOME OF SAID SECONDARY PLASTICIZER CONTAINING THE COLORING AGENT IN THE PORES CAPABLE OF BEING EXUDED IN RESPONSE TO PRESSURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |