Patent US3285902A successfully refreshed from Google Patents.
US3285902A
Expired / Lapsed
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Emulsifiable waxes and their production
Assignee: BASF SE
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Filing: 1963-01-29
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Granted: 1966-11-15
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Expires: 1983-01-29
Abstract
No abstract record available.
Inventors
- 👤 Schmeidl Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:29
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/04; C08F8/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR THE PRODUCTION OF WAXES EMULSIFIABLE IN AQUEOUS MEDIA BY THE OXIDATION OF THERMALLY DEGRADED POLYOLEFINES WHICH COMPRISES: HYDROGENATING SAID THERMALLY DEGRADED POLYOLEFINES TO SATURATED A SUFFICIENT NUMBER OF DOUBLE BONDS OF SAID MATERIAL TO PRODUCE A PRODUCT HAVING A BROMINE NUMBER OF NOT MORE THAN ONE, AND THEREAFTER OXIDIZING SAID HYDROGENATED POLYOLEFINES UNTIL THE PRODUCT HAS AN ACID NUMBER BETWEEN 4 AND 80.
Claim 2
Dependent Claim
66 words
A PROCESS FOR THE PRODUCTION OF WAXES EMULSIFIABLE IN AQUEOUS MEDIA BY THE OXIDATION OF THERMALLY DEGRADED POLYOLEFINES WHICH COMPRISES: HYDROGENATING SAID THERMALLY DEGRADED POLYOLEFINES TO SATURATED A SUFFICIENT NUMBER OF DOUBLE BONDS OF SAID MATERIAL TO PRODUCE A PRODUCT HAVING A BROMINE NUMBER OF NOT MORE THAN ONE, AND THEREAFTER OXIDIZING SAID HYDROGENATED POLYOLEFINES UNTIL THE PRODUCT HAS AN ACID NUMBER BETWEEN 4 AND 80.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |