Patent EP0393631A2 successfully refreshed from Google Patents.
Patent US2990231A successfully refreshed from Google Patents.
US2990231A
Expired / Lapsed
US
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Process of modifying polyethylene glycol terephthalate fabrics with guanidine or guanidine carbonate and optionally thiodiglycol or omicron-phenylphenol
Assignee: Hoechst AG
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Filing: 1956-07-19
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Granted: 1961-06-27
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Expires: 1976-07-19
Abstract
No abstract record available.
Inventors
- 👤 Nusslein Joseph
- 👤 Kuch Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:44
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; D06M11/00; D06M11/32; D06M11/36; D06M11/38; D06M11/68; D06M11/70; D06M11/71; D06P; D06P5/00; D06P5/001; D06Q; D06Q1/00; D06Q1/02; D06M2101/00; D06M2101/16; D06M2101/30; D06M2101/32; Y; Y10; Y10S; Y10S8/00; Y10S8/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A PROCESS WHICH COMPRISES PRINTING IN SELECTED AREAS FABRICS COMPRISING FIBERS CONSISTING ESSENTIALLY OF POLYETHYLENE GLYCOL TEREPHTHALATE WITH A PRINTING PASTE SELECTED FROM THE GROUP CONSISTING OF (1) A PASTE COMPRISING AN INERT THICKENING AGENT AND FROM ABOUT 15 PERCENT TO ABOUT 45 PERCENT BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF GUANIDINE AND GUANIDINE CARBONATE, (2) A PASTE COMPRISING AN INERT THICKENING AGENT AND FROM ABOUT 5 PERCENT TO ABOUT 10 PERCENT BY WEIGHT EACH OF THIODIGLYCOL AND A MEMBER OF THE GROUP CONSISTING OF GUANIDINE AND GUANIDINE CARBONATE, AND (3) A PASTE COMPRISING AN INERT THICKENING AGENT AND FROM ABOUT 5 PERCENT TO ABOUT 10 PERCENT BY WEIGHT EACH OF O-PHENYLPHENOL AND A MEMBER OF THE GROUP CONSISTING OF GUANIDINE AND GUANIDINE CARBONATE, ALL SAID PERCENTAGES BEING BASED ON THE TOTAL WEIGHT OF THE PRINTING PASTES, AND THEN HEATING THE PRINTED FABRIC AT A TEMPERATURE FROM ABOUT 100* TO ABOUT 220* C. UNTIL COMPLETE DESTRUCTION OF THE POLYETHYLENE GLYCOL TEREPHTHALATE FIBERS IN THE PRINTED AREA OCCURS.
Claim 2
Dependent Claim
170 words
A PROCESS WHICH COMPRISES PRINTING IN SELECTED AREAS FABRICS COMPRISING FIBERS CONSISTING ESSENTIALLY OF POLYETHYLENE GLYCOL TEREPHTHALATE WITH A PRINTING PASTE SELECTED FROM THE GROUP CONSISTING OF (1) A PASTE COMPRISING AN INERT THICKENING AGENT AND FROM ABOUT 15 PERCENT TO ABOUT 45 PERCENT BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF GUANIDINE AND GUANIDINE CARBONATE, (2) A PASTE COMPRISING AN INERT THICKENING AGENT AND FROM ABOUT 5 PERCENT TO ABOUT 10 PERCENT BY WEIGHT EACH OF THIODIGLYCOL AND A MEMBER OF THE GROUP CONSISTING OF GUANIDINE AND GUANIDINE CARBONATE, AND (3) A PASTE COMPRISING AN INERT THICKENING AGENT AND FROM ABOUT 5 PERCENT TO ABOUT 10 PERCENT BY WEIGHT EACH OF O-PHENYLPHENOL AND A MEMBER OF THE GROUP CONSISTING OF GUANIDINE AND GUANIDINE CARBONATE, ALL SAID PERCENTAGES BEING BASED ON THE TOTAL WEIGHT OF THE PRINTING PASTES, AND THEN HEATING THE PRINTED FABRIC AT A TEMPERATURE FROM ABOUT 100* TO ABOUT 220* C. UNTIL COMPLETE DESTRUCTION OF THE POLYETHYLENE GLYCOL TEREPHTHALATE FIBERS IN THE PRINTED AREA OCCURS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |