US3066035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper coating composition
Assignee: Minerals and Chemicals Philipp Corp
•
Filing: 1959-08-17
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Granted: 1962-11-27
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Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 Charles G Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:57
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/54; D21H19/38; D21H19/40; D21H19/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A COMPOSITION FOR COATING PAPER COMPRISING AN AMYLACEOUS ADHESIVE, KAOLIN CLAP, AND FROM ABOUT 0.025 PERCENT TO ABOUT 5.0 PERCENT, BASED ON THE WEIGHT OF SAID CLAY, OF A FATTY ACID WHICH HAD PREVIOUSLY BEEN SAPONIFIED WITH ALKYLENE POLYAMINE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
43 words
A COMPOSITION FOR COATING PAPER COMPRISING AN AMYLACEOUS ADHESIVE, KAOLIN CLAP, AND FROM ABOUT 0.025 PERCENT TO ABOUT 5.0 PERCENT, BASED ON THE WEIGHT OF SAID CLAY, OF A FATTY ACID WHICH HAD PREVIOUSLY BEEN SAPONIFIED WITH ALKYLENE POLYAMINE HAVING THE GENERAL FORMULA:
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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |