Patent US3948863A successfully refreshed from Google Patents.
US3048501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper products having a coating of mineral pigment in a binder of ammonium or amine salt of a copolymer of acrylic acid or methacrylic acid, acrylamide or methacrylamide, and a (c1-c4)-alkyl acrylate or methacrylate, and production thereof
Assignee: Rohm and Haas Co
•
Filing: 1959-06-23
•
Granted: 1962-08-07
•
Expires: 1979-06-23
Abstract
No abstract record available.
Inventors
- 👤 Edgar W Miller
- 👤 Walter W Toy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:08
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/56; D21H19/58; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31765; Y10T428/31971; Y10T428/31975; Y10T428/31978
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A MINERAL-COATED PAPER PRODUCT COMPRISING A PAPER SHEET CARRYING ON A SURFACE THEREOF A DRIED COATING OF A COMPOSITION COMPRISING (1) A FINELY-DIVIDED PIGMENTARY MATERIAL AND (2) FROM 8 TO 25 PARTS BY WEIGHT OF A BINDER PER 100 PARTS BY WEIGHT OF THE PIGMENT, THE BINDER CONSISTING OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF CASEINL SOYA-PROTEIN, STARCH, CHLORINATED STARCH,M ETHERS OF STARCH, POLYACRYLATE ESTERS, BUTADIENE-STYRENE COPOLYMERS, AND SALTS OF MEMBER SELECTED FROM THE GROUP CONSISTING OF AMMONIUM AND WATER-SOLU-
Claim 2
Dependent Claim
84 words
A MINERAL-COATED PAPER PRODUCT COMPRISING A PAPER SHEET CARRYING ON A SURFACE THEREOF A DRIED COATING OF A COMPOSITION COMPRISING (1) A FINELY-DIVIDED PIGMENTARY MATERIAL AND (2) FROM 8 TO 25 PARTS BY WEIGHT OF A BINDER PER 100 PARTS BY WEIGHT OF THE PIGMENT, THE BINDER CONSISTING OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF CASEINL SOYA-PROTEIN, STARCH, CHLORINATED STARCH,M ETHERS OF STARCH, POLYACRYLATE ESTERS, BUTADIENE-STYRENE COPOLYMERS, AND SALTS OF MEMBER SELECTED FROM THE GROUP CONSISTING OF AMMONIUM AND WATER-SOLU-
References Cited (Backward Citations)
US2653140A
Cited
US2893977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |