US2640040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonsweating stabilized wax composition and process of making the same
Assignee: Brogdex Co
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Filing: 1949-11-21
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Granted: 1953-05-26
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Expires: 1969-11-21
Abstract
No abstract record available.
Inventors
- 👤 Rodney L Lehman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/16; C; C09; C09D; C09D191/00; C09D191/06; C09D191/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF PRODUCING WAXY PROTECTIVE COATING COMPOSITIONS COMPOSED ESSENTIALLY OF PARAFFIN AND MINERAL OIL, SAID COMPOSITIONS BEING CHARATERIZED BY THEIR ENHANCED HOMOGENEITY AND STABILITY, COMPRISING: BLENDING FIFTY PER CENT (50%) TO NINETY PER CENT (90%) OF PARAFFIN WITH FIFTY PER CENT (50%) TO TEN PER CENT (10%) OF REFINED WHITE MINERAL OIL, BY WEIGHT, WHILE SAID PARAFFIN IS IN LIQUID FORM, AND INCORPORATING IN THE COMPOSITION, WITH AGITATION AND CIRCULATION, FROM ABOUT 0.2% TO ABOUT 2.0% OF A POLYETHYLENE RESIN BY WEIGHT OF THE COMPOSITION, SAID RESIN HAVING A MEAN MOLECULAR WEIGHT OF BETWEEN ABOUT THREE THOUSAND (3000) AND FIVE THOUSAND (5000).
Claim 2
Independent Claim
103 words
A METHOD OF PRODUCING WAXY PROTECTIVE COATING COMPOSITIONS COMPOSED ESSENTIALLY OF PARAFFIN AND MINERAL OIL, SAID COMPOSITIONS BEING CHARATERIZED BY THEIR ENHANCED HOMOGENEITY AND STABILITY, COMPRISING: BLENDING FIFTY PER CENT (50%) TO NINETY PER CENT (90%) OF PARAFFIN WITH FIFTY PER CENT (50%) TO TEN PER CENT (10%) OF REFINED WHITE MINERAL OIL, BY WEIGHT, WHILE SAID PARAFFIN IS IN LIQUID FORM, AND INCORPORATING IN THE COMPOSITION, WITH AGITATION AND CIRCULATION, FROM ABOUT 0.2% TO ABOUT 2.0% OF A POLYETHYLENE RESIN BY WEIGHT OF THE COMPOSITION, SAID RESIN HAVING A MEAN MOLECULAR WEIGHT OF BETWEEN ABOUT THREE THOUSAND (3000) AND FIVE THOUSAND (5000).
References Cited (Backward Citations)
US2409986A
Cited
US2504270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |