US3304297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyestuffs consisting of organic dyestuffs bound to polyhydroxylated organic polymers
Assignee: BASF Schweiz AG
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Filing: 1962-11-27
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Granted: 1967-02-14
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Wegmann Jacques
- 👤 Hefti Heinz
- 👤 Becker Carl
- 👤 Riat Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:25
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/22; G01N31/221; C; C08; C08B; C08B15/00; C08B15/05; C08B15/06; C08B31/00; C08B37/00; C08F; C08F8/00; C09; C09B; C09B69/00; C09B69/10; C09B69/106; D; D01; D01F; D01F2/00; D01F2/06; D01F2/08; D01F2/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A DYESTUFF CONSISTING OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A RADICAL OF A WATER-SOLUBLE REACTIVE OXAZINE DYESTUFF, TRIPHENYLMETHANE DYESTUFF, XANTHENE DYESTUFF, NITRO DYESTUFF, ACRIDONE DYESTUFF, ANTHRAQUINONE DYESTUFF, AZO DYESTUFF, PHTHALOCYANINE DYESTUFF AND PERIDICARBOXYLIC ACID IMIDE DYESTUFF, SAID RADICAL BEING BOUND VIA BRIDGE RADICAL TO THE CARBON ATOMS OF A POLYHYDROXYLATED ORGANIC POLYMER SELECTED FROM THE GROUP CONSISTING OF A WATER- OR ALKALI-SOLUBLE CELLULOSE ETHER, A WATER, OR ALKALI-SOLUBLE CELLULOSE ESTER, POLYVINYL ALCOHOL, A WATER- AND ALKALI-INSOLUBLE CELLULOSE ETHER, A WATER- AND ALKALI-INSOLUBLE CELLULOSE ESTER, A WATER- AND ALKALI-INSOLUBLE STARCH, DEXTRINE, SODIUM ALGINATE, GUM ARABIC AND GUARAN, SAID BRIDGE RADICAL, INCLUSIVELY OF THE OXYGEN ATOMS OF THE POLYHYDROXYLATED POLYMER, BEING A MEMBR SELECTED FROM THE GROUP CONSISTING OF AN AMINOTRIZINYLOXY RADICAL, AN AMINOPYRIMIDYLOXY RADICAL, AN AMINOPHTHALAZINYLOXY RADICAL, AN AMINOCHINAZOLINYLOXY RADICAL, AN AMINOCHINOXALINYLOXY RADICAL AND A RADICAL OF THE FORMULA
Claim 2
Dependent Claim
141 words
A DYESTUFF CONSISTING OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A RADICAL OF A WATER-SOLUBLE REACTIVE OXAZINE DYESTUFF, TRIPHENYLMETHANE DYESTUFF, XANTHENE DYESTUFF, NITRO DYESTUFF, ACRIDONE DYESTUFF, ANTHRAQUINONE DYESTUFF, AZO DYESTUFF, PHTHALOCYANINE DYESTUFF AND PERIDICARBOXYLIC ACID IMIDE DYESTUFF, SAID RADICAL BEING BOUND VIA BRIDGE RADICAL TO THE CARBON ATOMS OF A POLYHYDROXYLATED ORGANIC POLYMER SELECTED FROM THE GROUP CONSISTING OF A WATER- OR ALKALI-SOLUBLE CELLULOSE ETHER, A WATER, OR ALKALI-SOLUBLE CELLULOSE ESTER, POLYVINYL ALCOHOL, A WATER- AND ALKALI-INSOLUBLE CELLULOSE ETHER, A WATER- AND ALKALI-INSOLUBLE CELLULOSE ESTER, A WATER- AND ALKALI-INSOLUBLE STARCH, DEXTRINE, SODIUM ALGINATE, GUM ARABIC AND GUARAN, SAID BRIDGE RADICAL, INCLUSIVELY OF THE OXYGEN ATOMS OF THE POLYHYDROXYLATED POLYMER, BEING A MEMBR SELECTED FROM THE GROUP CONSISTING OF AN AMINOTRIZINYLOXY RADICAL, AN AMINOPYRIMIDYLOXY RADICAL, AN AMINOPHTHALAZINYLOXY RADICAL, AN AMINOCHINAZOLINYLOXY RADICAL, AN AMINOCHINOXALINYLOXY RADICAL AND A RADICAL OF THE FORMULA
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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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |