US4062785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food-compatible lubricant
Assignee: Borg Warner Corp
•
Filing: 1976-02-23
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Granted: 1977-12-13
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Expires: 1996-02-23
Abstract
Abstract A non-aqueous lubricant which is adapted for use with food-handling machinery. It comprises white mineral oil as the principal constituent and a minor proportion of a fatty amide.
Inventors
- 👤 Roger Keith Nibert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:20
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/10; C10M2201/102; C10M2201/103; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/10; C10M2215/24; C10M2215/28; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/06; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S426/00; Y10S426/811
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
38 words
A food-grade lubricant comprising a major proportion of white mineral oil and a minor proportion, sufficient to enhance the lubricity of said lubricant, of a fatty carboxamide having the formula RCONH 2 where R has 11-17 carbon atoms.
Claim 2
Dependent Claim
38 words
A food-grade lubricant comprising a major proportion of white mineral oil and a minor proportion, sufficient to enhance the lubricity of said lubricant, of a fatty carboxamide having the formula RCONH 2 where R has 11-17 carbon atoms.
Claim 3
Dependent Claim
43 words
A food-grade lubricant comprising a major proportion of white mineral oil and minor proportions, sufficient to enhance the lubricity of said lubricant, of each of a fatty carboxamide having the formula RCONH 2 where R has 11-17 carbon atoms and a fatty triglyceride.
Claim 4
Dependent Claim
43 words
A food-grade lubricant comprising a major proportion of white mineral oil and minor proportions, sufficient to enhance the lubricity of said lubricant, of each of a fatty carboxamide having the formula RCONH 2 where R has 11-17 carbon atoms and a fatty triglyceride.
Claim 5
Dependent Claim
13 words
The food-grade lubricant of claim 1 wherein the fatty triglyceride is lard oil.
Claim 6
Dependent Claim
21 words
The food-grade lubricant of claim 2 wherein the lubricant contains also from about 0.1 to about 1.0% of an alkyl phenol.
Claim 7
Dependent Claim
20 words
The food-grade lubricant of claim 4 wherein the alkyl phenol contains from about 4 to about 12 aliphatic carbon atoms.
Claim 8
Dependent Claim
16 words
The food-grade lubricant of claim 4 wherein the alkyl phenol contains at least two alkyl groups.
Claim 9
Dependent Claim
58 words
A food-grade lubricant comprising a major proportion of white mineral oil, minor proportions, sufficient to enhance the lubricity of said lubricant, of each of a fatty carboxamide having the formula RCONH 2 where R has 11-17 carbon atoms and lard oil, from about 0.1 to about 1.0% of an alkyl phenol and a foam inhibiting amount of polydimethylsilicone.
Claim 10
Dependent Claim
58 words
A food-grade lubricant comprising a major proportion of white mineral oil, minor proportions, sufficient to enhance the lubricity of said lubricant, of each of a fatty carboxamide having the formula RCONH 2 where R has 11-17 carbon atoms and lard oil, from about 0.1 to about 1.0% of an alkyl phenol and a foam inhibiting amount of polydimethylsilicone.
Claim 11
Dependent Claim
22 words
The food-grade lubricant of claim 7 wherein it contains also a viscosity index improving amount of a polyisobutylene viscosity index improving agent.
References Cited (Backward Citations)
US1870074A
Cited
US2031930A
Cited
US2018758A
Cited
US2291396A
Cited
US2403067A
Cited
GB983040A
Cited
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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) | 1980-12-12 | 1981-06-13 | 1981-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-12 | 1985-06-13 | 1985-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-12 | 1989-06-13 | 1989-12-13 | $7700.00 | Window Closed / Lapsed |