Patent US3276359A successfully refreshed from Google Patents.
US3276359A
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US
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Printing master with base of ketene dimer sized paper
Assignee: Warren SD Co
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Filing: 1962-12-27
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Granted: 1966-10-04
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Expires: 1982-12-27
Abstract
No abstract record available.
Inventors
- 👤 Stephen V Worthen
- 👤 Raymond L Oransky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:07
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/80; D21H19/82; D21H19/822; B; B41; B41N; B41N1/00; B41N1/12; B41N1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A PROCESS FOR MAKING A FLEXIBLE PLANOGRAPHIC PRINTING MASTER COMPRISING THE STEPS OF: PREPARING A SLURRY CONSISTING ESSENTIALLY OF WATER, MINERAL PIGMENT AND ADHESIVE BINDER; THEREAFTER ADDING TO SAID SLURRY AN EMULSIFIED SIZING AGENT CONSISTING OF A DIMER OF ALIPHATIC KETENE HAVING IN THE RANGE FROM 6 TO 20 CARBON ATOMS PER MOLECULE; APPLYING SAID SLURRY AS A PRIME COATING TO AN UNSIZED CELLULOSIC PAPER WEB HAVING A REAM WEIGHT IN THE RANGE OF 45 TO 80 LBS. TO FORM A SURFACE COATING THEREON, THE AMOUNT OF SAID SIZING AGENT BEING APPLIED THEREBY BEING IN THE RANGE OF 0.07 TO 0.30 WEIGHT PERCENT ON THE CELLULOSIC FIBER CONTENT OF THE PAPER WEB; DRYING THE PRIME COATING AND THEREAFTER APPLYING A LITHOGRAPHIC TOP COATING OVER SAID PRIME COATING IN AN AMOUNT IN THE RANGE OF 3 TO 15 LBS. PER TEAM (DRY WEIGHT), SAID LITHOGRAPHIC TOP COATING COMPRISING A SLURRY OF A WATER DISPERSIBLE HYDROPHILLIC ADHESIVE BINDER AND A COATING GRADE MINERAL PIGMENT.
Claim 2
Dependent Claim
162 words
A PROCESS FOR MAKING A FLEXIBLE PLANOGRAPHIC PRINTING MASTER COMPRISING THE STEPS OF: PREPARING A SLURRY CONSISTING ESSENTIALLY OF WATER, MINERAL PIGMENT AND ADHESIVE BINDER; THEREAFTER ADDING TO SAID SLURRY AN EMULSIFIED SIZING AGENT CONSISTING OF A DIMER OF ALIPHATIC KETENE HAVING IN THE RANGE FROM 6 TO 20 CARBON ATOMS PER MOLECULE; APPLYING SAID SLURRY AS A PRIME COATING TO AN UNSIZED CELLULOSIC PAPER WEB HAVING A REAM WEIGHT IN THE RANGE OF 45 TO 80 LBS. TO FORM A SURFACE COATING THEREON, THE AMOUNT OF SAID SIZING AGENT BEING APPLIED THEREBY BEING IN THE RANGE OF 0.07 TO 0.30 WEIGHT PERCENT ON THE CELLULOSIC FIBER CONTENT OF THE PAPER WEB; DRYING THE PRIME COATING AND THEREAFTER APPLYING A LITHOGRAPHIC TOP COATING OVER SAID PRIME COATING IN AN AMOUNT IN THE RANGE OF 3 TO 15 LBS. PER TEAM (DRY WEIGHT), SAID LITHOGRAPHIC TOP COATING COMPRISING A SLURRY OF A WATER DISPERSIBLE HYDROPHILLIC ADHESIVE BINDER AND A COATING GRADE MINERAL PIGMENT.
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |