Patent US3333031A successfully refreshed from Google Patents.
US3333031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface dyeing and pigment marking of gelatin capsules
Assignee: Wyeth Holdings LLC
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Filing: 1963-06-14
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Granted: 1967-07-25
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Jr James G Vincent
- 👤 Hansen Lloyd Frank
- 👤 Yen Ernest Chu
- 👤 Taylor Arthur Sinclair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:16
CPC Classifications
B; B41; B41F; B41F17/00; B41F17/36; A; A61; A61J; A61J3/00; A61J3/007; B41F17/006; A61J2205/00; A61J2205/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
THE METHOD OF FORMING PIGMENT MARKED COLORED SOFT GELATIN CAPSULES COMPRISING: (A) CASTING A LIQUID GELATIN COMPOSITION, WHICH SEALS ON CUTTING OUT, TO FORM A CONTINUOUS SOFT GELATIN STRIP, (B) FORMING A PIGMENT MARKING FLUID BY SUSPENDING FROM 10 TO 20 PARTS OF A NON-TOXIC WATER AND ALCOHOL INSOLUBLE PIGMENT IN 30 TO 60 PARTS OF A POLYHYDRIC ALCOHOL AND SUFFICIENT WATER TO MAKE A TOTAL OF 100 PARTS WITH THE ACID OF 0.005 TO 2 PARTS OF A NONTOXIC SURFACE ACTIVE SUSPENDING AGENT IN THE PRESENCE OF FROM ABOUT 0.5 TO 3 PARTS OF WATER-SOLUBLE ON-TOXIC SUSPENDING AGENT, (C) PRINTING THE THUS FORMED PIGMENT MARKING FLUID ON PARTS ONLY OF THE SOFT GELATIN STRIP TO FORM INDICIA, (D) FORMING, FILLING AND CUTTING OUT SOFT
Claim 2
Independent Claim
125 words
THE METHOD OF FORMING PIGMENT MARKED COLORED SOFT GELATIN CAPSULES COMPRISING: (A) CASTING A LIQUID GELATIN COMPOSITION, WHICH SEALS ON CUTTING OUT, TO FORM A CONTINUOUS SOFT GELATIN STRIP, (B) FORMING A PIGMENT MARKING FLUID BY SUSPENDING FROM 10 TO 20 PARTS OF A NON-TOXIC WATER AND ALCOHOL INSOLUBLE PIGMENT IN 30 TO 60 PARTS OF A POLYHYDRIC ALCOHOL AND SUFFICIENT WATER TO MAKE A TOTAL OF 100 PARTS WITH THE ACID OF 0.005 TO 2 PARTS OF A NONTOXIC SURFACE ACTIVE SUSPENDING AGENT IN THE PRESENCE OF FROM ABOUT 0.5 TO 3 PARTS OF WATER-SOLUBLE ON-TOXIC SUSPENDING AGENT, (C) PRINTING THE THUS FORMED PIGMENT MARKING FLUID ON PARTS ONLY OF THE SOFT GELATIN STRIP TO FORM INDICIA, (D) FORMING, FILLING AND CUTTING OUT SOFT
References Cited (Backward Citations)
US2234479A
Cited
US2196283A
Cited
US2638686A
Cited
US3070927A
Cited
US3092940A
Cited
US3149039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |