US3059987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing expanded polystyrene articles with disperse dyes
Assignee: Beazer East Inc
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Filing: 1960-05-12
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Granted: 1962-10-23
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Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 Herman P Baumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:31
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/004; Y; Y10; Y10S; Y10S8/00; Y10S8/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PROCESS FOR HOMOGENEOUSLY DYEING THE SURFACE OF AN EXPANDED POLYSTYRENE ARTICLE, WHICH CONSISTS OF IMMERSING SAID ARTICLE FOR FROM FIVE TO TWENTY SECONDS IN AA DYE BATH THAT IS MAINTAINED AT A TEMPERATURE OF BETWEEN 125 AND 180* F., SAID DYE BATH BEING FORMED BY ADDING A DISPERSE DYE TO AN EMULSIFIED CARRIER WHICH IS A MIXTUREE OF 50 TO 75% OF A CARRIER MEMBER SELECTED FROM THE GROUP CONSISTING OF ORTHO PHENYLPHENOL, METHYLSALICYLATE, BIPHENYL, AND TRICHLOROBENZENE, AND 25 TO 50% OF AN ANIONIC SURFACE ACTIVE AGENT AND DISPERSING SAID DYE AND EMULSIFIED CARRIER IN WATER TO PROVIDE A DYE BATH HAVINGG FROM 1 TO 4% BY WEIGHT OF DYE AND LESS THAN 10% BY WEIGHT OF EMULSIFIED CARRIER.
Claim 2
Dependent Claim
120 words
A PROCESS FOR HOMOGENEOUSLY DYEING THE SURFACE OF AN EXPANDED POLYSTYRENE ARTICLE, WHICH CONSISTS OF IMMERSING SAID ARTICLE FOR FROM FIVE TO TWENTY SECONDS IN AA DYE BATH THAT IS MAINTAINED AT A TEMPERATURE OF BETWEEN 125 AND 180* F., SAID DYE BATH BEING FORMED BY ADDING A DISPERSE DYE TO AN EMULSIFIED CARRIER WHICH IS A MIXTUREE OF 50 TO 75% OF A CARRIER MEMBER SELECTED FROM THE GROUP CONSISTING OF ORTHO PHENYLPHENOL, METHYLSALICYLATE, BIPHENYL, AND TRICHLOROBENZENE, AND 25 TO 50% OF AN ANIONIC SURFACE ACTIVE AGENT AND DISPERSING SAID DYE AND EMULSIFIED CARRIER IN WATER TO PROVIDE A DYE BATH HAVINGG FROM 1 TO 4% BY WEIGHT OF DYE AND LESS THAN 10% BY WEIGHT OF EMULSIFIED CARRIER.
References Cited (Backward Citations)
US2926987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |