Patent US3297615A successfully refreshed from Google Patents.
US3297615A
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Pigment binder of acrylate-acrylonitrile-methacrylic acid for paper coatings
Assignee: Wyeth Holdings LLC
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Filing: 1963-10-01
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Granted: 1967-01-10
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Expires: 1983-10-01
Abstract
No abstract record available.
Inventors
- 👤 Frazier Charles
- 👤 Ritson Daniel Dickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:34
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/46; D21H19/56; D21H19/58; Y; Y10; Y10S; Y10S526/00; Y10S526/911; Y10S526/939; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31895; Y10T428/31906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A FLUID AQUEOUS AMMONIATED PIGMENT COATING COMPOSITION FOR WATERLAID CELLULOSE WEBS, WHICH CONSISTS ESSENTIALLY OF A UNIFORM SUSPENSION OF A HYDROPHILIC INORGANIC MINERAL PIGMENT AS COATING COMPONENT IN A LATEX OF A HYDROPHOBIC ORGANIC SUBSTANTIALLY 75-95:4-24:1-3 PERCENT BY WEIGHT ETHYL ACRYLATE:ACRYLONITRILE:METHACRYLIC ACID COPOLYMER AS ADHESIVE COMPONENT THEREFOR, AND SUFFICIENT AMMONIUM HYDROXIDE TO GIVE SAID COMPOSITION A PH OF AT LEAST 9, THE WEIGHT OF SAID PIGMENT BEING 5 TO 20 TIMES THE WEIGHT OF SAID POLYMER.
Claim 2
Dependent Claim
76 words
A FLUID AQUEOUS AMMONIATED PIGMENT COATING COMPOSITION FOR WATERLAID CELLULOSE WEBS, WHICH CONSISTS ESSENTIALLY OF A UNIFORM SUSPENSION OF A HYDROPHILIC INORGANIC MINERAL PIGMENT AS COATING COMPONENT IN A LATEX OF A HYDROPHOBIC ORGANIC SUBSTANTIALLY 75-95:4-24:1-3 PERCENT BY WEIGHT ETHYL ACRYLATE:ACRYLONITRILE:METHACRYLIC ACID COPOLYMER AS ADHESIVE COMPONENT THEREFOR, AND SUFFICIENT AMMONIUM HYDROXIDE TO GIVE SAID COMPOSITION A PH OF AT LEAST 9, THE WEIGHT OF SAID PIGMENT BEING 5 TO 20 TIMES THE WEIGHT OF SAID POLYMER.
References Cited (Backward Citations)
US2889299A
Cited
US3004938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |