US3057751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding pigments to alkenyl aromatic resin granules
Assignee: Dow Chemical Co
•
Filing: 1959-11-09
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Granted: 1962-10-09
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Expires: 1979-11-09
Abstract
No abstract record available.
Inventors
- 👤 Floyd B Nagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:22
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226; C08J3/203; C08J2325/00; C08J2425/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A METHOD OF ADHERING DISPERING DRY PIGMENTS TO THE SURFACES OF SOLID ALKENYL AROMATIC RESIN GRANULES WHICH COMPRISES COATING SAID GRANULES WITH THE DRY PIGMENT AND A HOMOPOLYMER OF A-METHYL STYRENE HAVING AN ABSOLUTE VISCOSITY AT 60*C. OF FROM ABOUT 50 TO 1500 CENTIPOISES.
Claim 2
Independent Claim
44 words
A METHOD OF ADHERING DISPERING DRY PIGMENTS TO THE SURFACES OF SOLID ALKENYL AROMATIC RESIN GRANULES WHICH COMPRISES COATING SAID GRANULES WITH THE DRY PIGMENT AND A HOMOPOLYMER OF A-METHYL STYRENE HAVING AN ABSOLUTE VISCOSITY AT 60*C. OF FROM ABOUT 50 TO 1500 CENTIPOISES.
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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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |