Patent US2435526A successfully refreshed from Google Patents.
Patent US2795545A successfully refreshed from Google Patents.
US2795545A
Expired / Lapsed
US
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Organic materials
Assignee: Monsanto Chemicals Ltd
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Filing: 1953-04-14
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Granted: 1957-06-11
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Expires: 1973-04-14
Abstract
No abstract record available.
Inventors
- 👤 Earl W Gluesenkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:06
CPC Classifications
C; C08; C08G; C08G83/00; C08G83/001; C08K; C08K3/00; C08K3/34; C08K3/346; Y; Y10; Y10S; Y10S507/00; Y10S507/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A GREASE COMPRISING AN ORGANIC LUBRICATING OIL GELLED WITH LESS THAN AN EQUAL WEIGHT OF AN ADDUCT; SAID ADDUCT BEING THAT OF A HIGH SURFACE AREA HYDROPHILIC SUBSTANCE POSSESSING ION EXCHANGE PROPERTIES AND FREE FROM NONION EXCHANGE MATERIAL WITH AN AMOUNT, WHICH IS AT LEAST 3 WEIGHT PERCENT AND SUFFICIENT TO DECREASE THE HYDROPHILIC NATURE OF SAID SUBSTANCES, OF A CATIONIC SYNTHETIC HIGH POLYMER CONTAINING A SUBSTANTIALLY LINEAR MOLECULAR CHAIN DERIVED BY THE POLYMERIZATION OF AT LEAST ONE MONOOLEFINIC COMPOUND THROUGH ALIPHATIC UNSATURATION, SAID POLYMER BEING BOUND THROUGH BASIC GROUPS TO BASE EXCHANGE SITES ON THE SURFACES OF SAID HIGH SURFACE AREA HYDROPHILIC SUBSTANCE.
Claim 2
Dependent Claim
104 words
A GREASE COMPRISING AN ORGANIC LUBRICATING OIL GELLED WITH LESS THAN AN EQUAL WEIGHT OF AN ADDUCT; SAID ADDUCT BEING THAT OF A HIGH SURFACE AREA HYDROPHILIC SUBSTANCE POSSESSING ION EXCHANGE PROPERTIES AND FREE FROM NONION EXCHANGE MATERIAL WITH AN AMOUNT, WHICH IS AT LEAST 3 WEIGHT PERCENT AND SUFFICIENT TO DECREASE THE HYDROPHILIC NATURE OF SAID SUBSTANCES, OF A CATIONIC SYNTHETIC HIGH POLYMER CONTAINING A SUBSTANTIALLY LINEAR MOLECULAR CHAIN DERIVED BY THE POLYMERIZATION OF AT LEAST ONE MONOOLEFINIC COMPOUND THROUGH ALIPHATIC UNSATURATION, SAID POLYMER BEING BOUND THROUGH BASIC GROUPS TO BASE EXCHANGE SITES ON THE SURFACES OF SAID HIGH SURFACE AREA HYDROPHILIC SUBSTANCE.
References Cited (Backward Citations)
US2625529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |