Patent US3074774A successfully refreshed from Google Patents.
US3074774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge printing pastes and methods of application involving same
Assignee: Arkansas Co Inc
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Filing: 1959-10-16
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Granted: 1963-01-22
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Expires: 1979-10-16
Abstract
No abstract record available.
Inventors
- 👤 Sapers Ira
- 👤 Alton A Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:50
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/15; D06P5/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A PRINTING PASTE SUITABLE FOR USE IN DISCHARGE PRINTING OF TEXTILES DYED WITH PHTHALOCYANINE PIGMENTS, WHICH IS EFFECTIVE WITHIN ABOUT 10 MINUTES AND WHICH COMPRISES A GUM, A HYDROSULFITE, A NON-IONIC SURFACE-ACTIVE AGENT AND THE CONDENSATION PRODUCT OF ABOUT 3/4 TO ABOUT 1 1/4 MOL EQUIVALENTS OF A BENZYLATING AGENT BX, WHERE B IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF A BENZYL, BENZAL, HALOBENZYL, XYLYL AND XYLYLENE AND X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND SULFATE, AND A MOL OF A TERTIARY AMINE HAVING THE FORMULA R-N(-(CH2-CH2-O)X-H)-(CH2-CH2-O)Y-H WHEREIN R IS A LONG-CHAIN, SATURATED, ALKYL GROUP CONTAINING ABOUT 10 TO ABOUT 18 CARBON ATOMS, X AND Y ARE EACH AT LEAST 1, AND THE SUM OF X AND Y IS FORM 2 TO ABOUT 30.
Claim 2
Dependent Claim
132 words
A PRINTING PASTE SUITABLE FOR USE IN DISCHARGE PRINTING OF TEXTILES DYED WITH PHTHALOCYANINE PIGMENTS, WHICH IS EFFECTIVE WITHIN ABOUT 10 MINUTES AND WHICH COMPRISES A GUM, A HYDROSULFITE, A NON-IONIC SURFACE-ACTIVE AGENT AND THE CONDENSATION PRODUCT OF ABOUT 3/4 TO ABOUT 1 1/4 MOL EQUIVALENTS OF A BENZYLATING AGENT BX, WHERE B IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF A BENZYL, BENZAL, HALOBENZYL, XYLYL AND XYLYLENE AND X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND SULFATE, AND A MOL OF A TERTIARY AMINE HAVING THE FORMULA R-N(-(CH2-CH2-O)X-H)-(CH2-CH2-O)Y-H WHEREIN R IS A LONG-CHAIN, SATURATED, ALKYL GROUP CONTAINING ABOUT 10 TO ABOUT 18 CARBON ATOMS, X AND Y ARE EACH AT LEAST 1, AND THE SUM OF X AND Y IS FORM 2 TO ABOUT 30.
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |