Patent DE527678C successfully refreshed from Google Patents.
US2909177A
Expired / Lapsed
US
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Surgical suture and method for dyeing
Assignee: Ethicon Inc
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Filing: 1957-11-29
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Granted: 1959-10-20
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Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
- 👤 Robert T Dowd
- 👤 Emanuel R Lieberman
- 👤 Iwan W Turiansky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:12
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/90; A; A61; A61L; A61L17/00; A61L17/06; A61L17/10; A61L17/105; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
64 words
A DYED SURGICAL SUTURE COMPRISING A STRAND OF POLYETHYLENE TEREPHTHALATE IMPREGNATED WITH A DYE SELECTED FROM THE GROUP CONSISTING OF 1-XYLYLAZO-2-NAPHTHOL, 1-OTOLY-AZO-2-NAPHTHOL, 1-PHENYL-AZO-2-NAPHTHYLAMINE, 1-OTOLY - AZO - 2 - NAPHTHYLAMINE, 1 - P - PHENYLAZOPHENYLAZO - 2 - NAPHTHOL, 1-XYLYLAZO-XYLYLAZO- 2NAPTHOL, 1-(NITRO-P-TOLYLAZO)-2-NAPTHOL, 1-(O-CHLOROP-NITROPHENYLAZO) - 2 - NAPHTHOL, 2- QUINOLY)1,3-INDANDIONE, 1,4-BIS(P-TOLUINO)-ANTHRAQUINONE, 1-HYDROXY- 4 - P- TOLUINOANTHRAQUINONE, 5,5''- DICHLORO-3,3''DIMETHYL-THIO-INDIGO, 3- ETHOSTEARATE OF 9-O-CARBOXPHENYL-6-DIETHYLAMINO-3-ISOXANTHENE, AND O(P-(B,BDIHYDROXY-DIETHYLAMINO)-PHENYLAZO-BENZOIC ACID.
Claim 2
Dependent Claim
64 words
A DYED SURGICAL SUTURE COMPRISING A STRAND OF POLYETHYLENE TEREPHTHALATE IMPREGNATED WITH A DYE SELECTED FROM THE GROUP CONSISTING OF 1-XYLYLAZO-2-NAPHTHOL, 1-OTOLY-AZO-2-NAPHTHOL, 1-PHENYL-AZO-2-NAPHTHYLAMINE, 1-OTOLY - AZO - 2 - NAPHTHYLAMINE, 1 - P - PHENYLAZOPHENYLAZO - 2 - NAPHTHOL, 1-XYLYLAZO-XYLYLAZO- 2NAPTHOL, 1-(NITRO-P-TOLYLAZO)-2-NAPTHOL, 1-(O-CHLOROP-NITROPHENYLAZO) - 2 - NAPHTHOL, 2- QUINOLY)1,3-INDANDIONE, 1,4-BIS(P-TOLUINO)-ANTHRAQUINONE, 1-HYDROXY- 4 - P- TOLUINOANTHRAQUINONE, 5,5''- DICHLORO-3,3''DIMETHYL-THIO-INDIGO, 3- ETHOSTEARATE OF 9-O-CARBOXPHENYL-6-DIETHYLAMINO-3-ISOXANTHENE, AND O(P-(B,BDIHYDROXY-DIETHYLAMINO)-PHENYLAZO-BENZOIC ACID.
Claim 3
Dependent Claim
101 words
A PROCESS FOR PRODUCING A DYED SURGICAL SUTURE WHICH COMPRISES CONTACTING A SKEIN OF POLYETHYLENE TEREPHTHALATE WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF FORMAMIDE, AN ALKYL FORMAMIDE AND AQUEOUS MIXTURES THEREOF CONTAINING A DYE SELECTED FROM THE GROUP CONSISTING OF 1-XYLYLAZO-2-NAPTHOL, 1-O-TOLYLAZO-2-NAPHTHOL, 1-PHENYL-AZO-2-NAPHTHALAMINE, 1-O-TOLYAZO-2-NAPTHALAMINE, 1-P-PHENYLAZO-PHENYLAZO2-NAPHTHOL, 1-XYLYLAZO-XYLYLAZO-2-NAHTHOL, 1(O-NITRO-P-TOLYLAZO)-2-NAPHTHOL, 1-O(CHLOROP-NITROPHENYLAZO) -2- NAPHTHOL, -2- NAPHTHOL, (2-QUINOLYL)1,3-INDANDIONE, 1,4-BIS(P-TOLUINO) ANTHAQUINONE, 1-HYDROXY, -4-P-TOLUINOANTHRAQUINONE, 5,5-DICHLORO3,3-DIMETHYL-THIO-INDIGO, 3-ETHOSTEARATE OF 9 - OCARBONXYPHENYL-6-DIETHYLAMINO-3- ISOXANTHENE, AND O - (P - (B-B'' - DIHYDROXY - DIETHYLAMINO) - PHENYLAZOLBENZOIC ACID, FOR A PERIOD OF MORE THAN ABOUT ONE MINUTE AT A TEMPERATURE OF UP TO THE BOILING POINT OF THE REACTION MIXTURE.
Claim 4
Dependent Claim
101 words
A PROCESS FOR PRODUCING A DYED SURGICAL SUTURE WHICH COMPRISES CONTACTING A SKEIN OF POLYETHYLENE TEREPHTHALATE WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF FORMAMIDE, AN ALKYL FORMAMIDE AND AQUEOUS MIXTURES THEREOF CONTAINING A DYE SELECTED FROM THE GROUP CONSISTING OF 1-XYLYLAZO-2-NAPTHOL, 1-O-TOLYLAZO-2-NAPHTHOL, 1-PHENYL-AZO-2-NAPHTHALAMINE, 1-O-TOLYAZO-2-NAPTHALAMINE, 1-P-PHENYLAZO-PHENYLAZO2-NAPHTHOL, 1-XYLYLAZO-XYLYLAZO-2-NAHTHOL, 1(O-NITRO-P-TOLYLAZO)-2-NAPHTHOL, 1-O(CHLOROP-NITROPHENYLAZO) -2- NAPHTHOL, -2- NAPHTHOL, (2-QUINOLYL)1,3-INDANDIONE, 1,4-BIS(P-TOLUINO) ANTHAQUINONE, 1-HYDROXY, -4-P-TOLUINOANTHRAQUINONE, 5,5-DICHLORO3,3-DIMETHYL-THIO-INDIGO, 3-ETHOSTEARATE OF 9 - OCARBONXYPHENYL-6-DIETHYLAMINO-3- ISOXANTHENE, AND O - (P - (B-B'' - DIHYDROXY - DIETHYLAMINO) - PHENYLAZOLBENZOIC ACID, FOR A PERIOD OF MORE THAN ABOUT ONE MINUTE AT A TEMPERATURE OF UP TO THE BOILING POINT OF THE REACTION MIXTURE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |