US2822281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Opaque water color compositions and method of making same
Assignee: Individual
•
Filing: 1953-10-26
•
Granted: 1958-02-04
•
Expires: 1973-10-26
Abstract
No abstract record available.
Inventors
- 👤 Alexander S Masley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:31
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN ARTIST''S WATER PAINT TABLET CONSISTING ESSENTIALLY OF (A) A DRY MIXTURE OF COLORING PIGMENT, WHITING, ACACIAPOWDER, STARCH POWDER AND A NON TOXIC ORGANIC ACID CAPABLE OF RELEASING IN CONTACT WITH WATER BETWEEN ABOUT 0.02 AND 0.04 EQUIVALENT OF HYDROGEN ION FOR 100 G. OF TOTAL DRY MIXTURE, AND (B) A 50 PERCENT SORBITOL-WATER SOLUTION, THE ORGANIC ACID BEING PRESENT IN AN AMOUNT EQUAL TO BETWEEN 2 TO 5 PERCENT BY WEIGHT OF THE DRY MIXTURE, THE SORBITOL-WATER SOLUTION BEING PRESENT IN AN AMOUNT EQUAL TO APPROXIMATELY 5 CC. FOR EACH 38 PARTS BY OF THE DRY MIXTURE AND THE WHITING BEING PRESENT IN AN AMOUNT GREATER THAN THAT REQUIRED TO STOICHIOMETRICALLY COMBINE WITH THE ORGANIC ACID PRESENT.
Claim 2
Dependent Claim
118 words
AN ARTIST''S WATER PAINT TABLET CONSISTING ESSENTIALLY OF (A) A DRY MIXTURE OF COLORING PIGMENT, WHITING, ACACIAPOWDER, STARCH POWDER AND A NON TOXIC ORGANIC ACID CAPABLE OF RELEASING IN CONTACT WITH WATER BETWEEN ABOUT 0.02 AND 0.04 EQUIVALENT OF HYDROGEN ION FOR 100 G. OF TOTAL DRY MIXTURE, AND (B) A 50 PERCENT SORBITOL-WATER SOLUTION, THE ORGANIC ACID BEING PRESENT IN AN AMOUNT EQUAL TO BETWEEN 2 TO 5 PERCENT BY WEIGHT OF THE DRY MIXTURE, THE SORBITOL-WATER SOLUTION BEING PRESENT IN AN AMOUNT EQUAL TO APPROXIMATELY 5 CC. FOR EACH 38 PARTS BY OF THE DRY MIXTURE AND THE WHITING BEING PRESENT IN AN AMOUNT GREATER THAN THAT REQUIRED TO STOICHIOMETRICALLY COMBINE WITH THE ORGANIC ACID PRESENT.
References Cited (Backward Citations)
GB191003905A
Cited
US1055720A
Cited
US1131432A
Cited
US1159337A
Cited
AU1256233A
Cited
US2271906A
Cited
FR892531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |