US3132042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of cellulosic product
Assignee: Kimberly Clark Corp
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Filing: 1962-03-01
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Granted: 1964-05-05
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Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Robert E Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:12
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/80; D21H19/82; D21H19/822; Y; Y10; Y10T; Y10T428/00; Y10T428/31
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
165 words
A COATED AND SUPERCALENDERED PAPER PRODUCT HAVING A PAPER GLOSS IN EXCESS OF 87 COMPRISING A WEB OF CELLULOSIC FIBERS, A PRIME COAT CONTAINING AN ADHESIVE HAVING A SPECIFIC ADHERENCE TO SAID FIBERS, SAID PRIME COAT PENETRATING AND COATING SAID WEB AND BONDING FIBERS OF THE WEB TOGETHER, AND A TOP COATING ON SAID PRIME COATED WEB, SAID TOP COATING COMPRISING: (A) A FINELY DIVIDED PIGMENT HAVING A PREDOMINANT PORTION OF CLAY; AND (B) A BINDER COMPRISING FOR EACH 100 PARTS OF CLAY BETWEEN ABOUT 12 AND 25 PARTS BY WEIGHT OF AN ADMIXTURE OF (1) AN INTERPOLYMER HAVING A T1 VALUE OF BETWEEN ABOUT -10*C. AND +10*C. WHICH INCLUDES A WATER-INSOLUBLE COPOLYMER OF AT LEAST ONE LOWER ALKYL ACRYLATE IN WHICH THE ALKYL GROUP HAS FROM 1 TO 4 CARBON ATOMS WITH AN ACID OR AMIDE TO THE EXTENT OF BETWEEN ABOUT 0.5% TO ABOUT 7.0% BY WEIGHT AND SELECTED FROM THE GROUP CONSISTING OF METHACRYLIC ACID, ACRYLIC ACID, ITACONIC ACID, MALEIC ACID, FUMARIC
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |