Patent US3255275A successfully refreshed from Google Patents.
US3255275A
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Process for enhancing the dye-receptivity of continuous, coherent articles and products therefrom
Assignee: Dow Chemical Co
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Filing: 1961-01-30
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Granted: 1966-06-07
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Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm E Walles
- 👤 William F Tousignant
- 👤 Floyd E Romesberg
- 👤 Alice E Emmert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:23
CPC Classifications
D; D06; D06P; D06P3/00; C; C08; C08L; C08L39/00; C08L39/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
64 words
A PROCESS FOR PREPARING ARTICLES OF ENHANCED DYERECEPTIVITY COMPRISING THE PROCEDURAL SEQUENCE OF (1) IMMERSING A MICROPOROUS COAGULUM OF AN ORGANIC, THERMOPLASTIC, RESINOUS MATERIAL IN ASOLUTION OF AN AZOTIC POLYMERIC DYE-ASSISTING ADJUVANT SELECTED FROM TEH GROUP CONSISTING OF ADDITION POLYMERS OF AT LEAST ABOUT 50% BY WEIGHT BASED ON THE WEIGHT OF THE AZOTIC POLYMERS OF (A) N-MONOETHYLENEICALLY UNSATURATED LACTAM MONOMERS OF THE FORMULA:
Claim 2
Dependent Claim
64 words
A PROCESS FOR PREPARING ARTICLES OF ENHANCED DYERECEPTIVITY COMPRISING THE PROCEDURAL SEQUENCE OF (1) IMMERSING A MICROPOROUS COAGULUM OF AN ORGANIC, THERMOPLASTIC, RESINOUS MATERIAL IN ASOLUTION OF AN AZOTIC POLYMERIC DYE-ASSISTING ADJUVANT SELECTED FROM TEH GROUP CONSISTING OF ADDITION POLYMERS OF AT LEAST ABOUT 50% BY WEIGHT BASED ON THE WEIGHT OF THE AZOTIC POLYMERS OF (A) N-MONOETHYLENEICALLY UNSATURATED LACTAM MONOMERS OF THE FORMULA:
Claim 3
Dependent Claim
54 words
A CONTINUOUS COHERENT ARTICLE COMPOSED OF AN ORGANIC, THERMOPLASTIC, RESINOUS MATERIAL AND UNIFORMLY DISPERSED THERETHROUGH QUANTITITES OF AN AZOTIC POLYMERIC DYE-ASSISTING ADJUVANT SELECTED FROM THE GROUP CONSISTING OF ADDITION POLYMERS OF AT LEAST ABOUT 50% BY WEIGHT BASED ON THE WEIGHT OF THE AZOTIC POLYMERS OF (A) NMONOETHYLENICALLY UNSATURATED LACTAM MONOMERS OF THE FORMULA:
Claim 4
Dependent Claim
54 words
A CONTINUOUS COHERENT ARTICLE COMPOSED OF AN ORGANIC, THERMOPLASTIC, RESINOUS MATERIAL AND UNIFORMLY DISPERSED THERETHROUGH QUANTITITES OF AN AZOTIC POLYMERIC DYE-ASSISTING ADJUVANT SELECTED FROM THE GROUP CONSISTING OF ADDITION POLYMERS OF AT LEAST ABOUT 50% BY WEIGHT BASED ON THE WEIGHT OF THE AZOTIC POLYMERS OF (A) NMONOETHYLENICALLY UNSATURATED LACTAM MONOMERS OF THE FORMULA:
References Cited (Backward Citations)
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |