Patent US3386841A successfully refreshed from Google Patents.
US3386841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of plastic articles dyed in the mass
Assignee: Hoechst AG
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Filing: 1964-05-08
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Granted: 1968-06-04
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Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Braun Oskar
- 👤 Gross Richard
- 👤 Muller Heinz
- 👤 Nakaten Herbert
- 👤 Weissert Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:46
CPC Classifications
D; D01; D01F; D01F2/00; D01F2/06; D01F2/08; D01F2/16; C; C08; C08J; C08J3/00; C08J3/20; C08J3/205; C08J3/21; C08J3/215; C08K; C08K5/00; C08K5/0008; C08K5/0041; C08L; C08L1/00; C09; C09B; C09B67/00; C09B67/0071; C09B67/0083; C09B67/0084; D01F1/00; D01F1/02; D01F1/06; D01F6/00; D01F6/02; D01F6/08; D01F6/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A PROCESS FOR THE MASS COLORATION OF REGENERATED CELLULOSE OR POLYVINYL CHLORIDE STRUCTURES SHAPED FROM AQUEOUS SOLUTIONS, WHICH PROCESS COMPRISES MIXING SAID SOLUTIONS BEFORE SHAPING WITH AN AQUEOUS ALKALINE PIGMENT SOLUTION COMPRISING (A) A DISSOLVED PIGMENT SELECTED FROM THE GROUP CONSISTING OF NORMALLY WATER-INSOLUBLE AZO-PIGMENTS HAVING AT LEAST ONE WEAKLY ACID RADICAL AND NORMALLY WATER-INSOLUBLE AZO-PIGMENTS HAVING AT LEAST ONE RADICAL WHICH CAN BE CONVERTED INTO A WEAKLY ACID RADICAL BY MEANS OF A STRONG BASE, AND NORMALLY WATERINSOLUBLE PHTHALOCYANINE PIGMENTS HAVING AT LEAST TWO RADICALS SELECTED FROM THE GROUP CONSISTING OF SULFONIC ACID ARYL AMIDE AND SULFONIC ACID ALKYL AMIDE RADICALS, AND (B) A QUATERNARY CATIONIC SURFACE-ACTIVE COMPOUND SOLUBILIZING SAID NORMALLY WATER-INSOLUBLE PIGMENTS, THE WEIGHT OF SAID COMPOUND BEING FROM 3 TO 40 TIMES THE WEIGHT OF THE PIGMENT.
Claim 2
Dependent Claim
130 words
A PROCESS FOR THE MASS COLORATION OF REGENERATED CELLULOSE OR POLYVINYL CHLORIDE STRUCTURES SHAPED FROM AQUEOUS SOLUTIONS, WHICH PROCESS COMPRISES MIXING SAID SOLUTIONS BEFORE SHAPING WITH AN AQUEOUS ALKALINE PIGMENT SOLUTION COMPRISING (A) A DISSOLVED PIGMENT SELECTED FROM THE GROUP CONSISTING OF NORMALLY WATER-INSOLUBLE AZO-PIGMENTS HAVING AT LEAST ONE WEAKLY ACID RADICAL AND NORMALLY WATER-INSOLUBLE AZO-PIGMENTS HAVING AT LEAST ONE RADICAL WHICH CAN BE CONVERTED INTO A WEAKLY ACID RADICAL BY MEANS OF A STRONG BASE, AND NORMALLY WATERINSOLUBLE PHTHALOCYANINE PIGMENTS HAVING AT LEAST TWO RADICALS SELECTED FROM THE GROUP CONSISTING OF SULFONIC ACID ARYL AMIDE AND SULFONIC ACID ALKYL AMIDE RADICALS, AND (B) A QUATERNARY CATIONIC SURFACE-ACTIVE COMPOUND SOLUBILIZING SAID NORMALLY WATER-INSOLUBLE PIGMENTS, THE WEIGHT OF SAID COMPOUND BEING FROM 3 TO 40 TIMES THE WEIGHT OF THE PIGMENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |