Patent US4023912A successfully refreshed from Google Patents.
US4023912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid stick pan lubricant
Assignee: Blue Cross Laboratories Inc
•
Filing: 1976-05-11
•
Granted: 1977-05-17
•
Expires: 1996-05-11
Abstract
Abstract Solid stick cookware lubricant consisting essentially of lecithin and an ablative base of normally solid fatty alcohol esters such as hard fats and waxes and normally liquid comestible oils, in proportions to deposit a lubricating effective layer of lecithin onto the surface of cookware with hand pressure.
Inventors
- 👤 Darrell G. Mahler
- 👤 Charles Doumani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:31
CPC Classifications
A; A21; A21D; A21D8/00; A21D8/08; A23; A23D; A23D9/00; A23D9/007; A23D9/013; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
93 words
Solid stick cookware lubricant consisting essentially per 100 parts by weight of from 10 to 30 parts of lecithin, and from 70 to 90 parts of an ablative base, said base comprising room temperature solid material consisting essentially of fatty alcohol esters selected from hard fats and waxes and a room temperature liquid vegetable oil in proportions of between 40 and 60 parts of said normally solid material and between 30 and 40 parts of said oil, to deposit a lubricating effective layer of lecithin onto the cookware surface with hand pressure wiping.
Claim 2
Dependent Claim
93 words
Solid stick cookware lubricant consisting essentially per 100 parts by weight of from 10 to 30 parts of lecithin, and from 70 to 90 parts of an ablative base, said base comprising room temperature solid material consisting essentially of fatty alcohol esters selected from hard fats and waxes and a room temperature liquid vegetable oil in proportions of between 40 and 60 parts of said normally solid material and between 30 and 40 parts of said oil, to deposit a lubricating effective layer of lecithin onto the cookware surface with hand pressure wiping.
Claim 3
Dependent Claim
19 words
Solid stick cookware lubricant according to claim 1 in which said normally solid material comprises hydrogenated fatty acid glyceride.
Claim 4
Dependent Claim
16 words
Solid stick cookware lubricant according to claim 1 in which said normally solid material comprises wax.
Claim 5
Dependent Claim
27 words
Solid stick cookware lubricant according to claim 1 in which said liquid vegetable oil comprises at least one of soy, corn, safflower, sesame, cottonseed and olive oil.
Claim 6
Dependent Claim
45 words
Solid stick cookware lubricant according to claim 1 in which said oil comprises at least one of soy, corn, safflower, sesame, cottonseed, and olive oil and said normally solid material is a fat comprising at least one of hydrogenated vegetable oil glycerides and tallow glyceride.
Claim 7
Dependent Claim
57 words
Solid stick cookware lubricant consisting essentially per 100 parts by weight of from 15 to 20 parts of lecithin, and from 80 to 85 parts of an ablative base, said base comprising from 40 to 60 parts of a room temperature solid hard fat and from 30 to 40 parts of a room temperature liquid vegetable oil.
Claim 8
Dependent Claim
57 words
Solid stick cookware lubricant consisting essentially per 100 parts by weight of from 15 to 20 parts of lecithin, and from 80 to 85 parts of an ablative base, said base comprising from 40 to 60 parts of a room temperature solid hard fat and from 30 to 40 parts of a room temperature liquid vegetable oil.
Claim 9
Dependent Claim
23 words
Solid stick cookware lubricant according to claim 6 including also from 0.1 to 10 parts of a glyceryl or fatty acid ester emulsifier.
Claim 10
Dependent Claim
38 words
Solid stick cookware lubricant according to claim 6 in which said stick has a penetration value between about 30 to 35 and 60 to 65 at 77° F and a congealing temperature of about 140° - 145° F.
Claim 11
Dependent Claim
23 words
Solid stick cookware lubricant according to claim 6 in which said fat comprises hydrogenated vegetable oil glyceride, hydrogenated tallow glyceride, or mixtures thereof.
Claim 12
Dependent Claim
25 words
Solid stick cookware lubricant according to claim 6 in which said oil comprises at least one of soy, corn, safflower, sesame, cottonseed, and olive oil.
Claim 13
Dependent Claim
32 words
Solid stick cookware lubricant according to claim 6 in which said fat comprises hydrogenated tallow glycerides and said oil comprises at least one of soy, corn, safflower, sesame, cottonseed, and olive oil.
Claim 14
Dependent Claim
33 words
Solid stick cookware lubricant according to claim 6 in which said fat comprises hydrogenated vegetable oil glycerides and said oil comprises at least one of soy, corn, safflower, sesame, cottonseed, and olive oil.
Claim 15
Dependent Claim
24 words
The solid stick cookware lubricant according to claim 1 in combination with a container therefor from which the stick is controllably extendable for use.
Claim 16
Dependent Claim
34 words
The combination according to claim 13 in which said container comprises a generally cylindrical body, a cover therefor and a piston therewithin manually slidable within the cylinder to controllably extend the stick for use.
Claim 17
Dependent Claim
93 words
Solid stick cookware lubricant consisting essentially per 100 parts by weight of from 5 to 30 parts of lecithin, and from 70 to 95 parts of an ablative base, said base comprising room temperature solid material consisting essentially of fatty alcohol esters selected from hard fats and waxes and a room temperature liquid comestible oil in proportions of between 40 and 60 parts of said normally solid material and between 30 and 40 parts of said oil, to deposit a lubricating effective layer of lecithin onto the cookware surface with hand pressure wiping.
Claim 18
Dependent Claim
93 words
Solid stick cookware lubricant consisting essentially per 100 parts by weight of from 5 to 30 parts of lecithin, and from 70 to 95 parts of an ablative base, said base comprising room temperature solid material consisting essentially of fatty alcohol esters selected from hard fats and waxes and a room temperature liquid comestible oil in proportions of between 40 and 60 parts of said normally solid material and between 30 and 40 parts of said oil, to deposit a lubricating effective layer of lecithin onto the cookware surface with hand pressure wiping.
Claim 19
Dependent Claim
19 words
Solid stick cookware lubricant according to claim 15 in which said normally solid material comprises hydrogenated fatty acid glyceride.
Claim 20
Dependent Claim
16 words
Solid stick cookware lubricant according to claim 15 in which said normally solid material comprises wax.
Claim 21
Dependent Claim
19 words
Solid stick cookware lubricant according to claim 15 in which said liquid comestible oil is a liquid vegetable oil.
Claim 22
Dependent Claim
27 words
Solid stick cookware lubricant according to claim 18 in which said liquid vegetable oil comprises at least one of soy, corn, safflower, sesame, cottonseed and olive oil.
Claim 23
Dependent Claim
27 words
Solid stick cookware lubricant according to claim 15 in which said liquid comestible oil is a liquid white mineral oil having a specific gravity above about 0.80.
Claim 24
Dependent Claim
23 words
Solid stick cookware lubricant according to claim 20 in which said liquid white mineral has a specific gravity between about 0.85 and 0.90.
Claim 25
Dependent Claim
29 words
Solid stick cookware lubricant according to claim 21 in which said normally solid material is a fat comprising at least one of hydrogenated vegetable oil glycerides and tallow glycerides.
Claim 26
Dependent Claim
75 words
Solid stick cookware lubricant consisting essentially per 100 parts by weight of from 5 to 20 parts of lecithin, and from 80 to 95 parts of an ablative base, said base comprising from 50 to 60 parts of a room temperature solid hard fat and from 30 to 45 parts of a room temperature liquid comestible oil selected from the group consisting of vegetable oils and white mineral oils having a specific gravity above 0.80.
Claim 27
Dependent Claim
75 words
Solid stick cookware lubricant consisting essentially per 100 parts by weight of from 5 to 20 parts of lecithin, and from 80 to 95 parts of an ablative base, said base comprising from 50 to 60 parts of a room temperature solid hard fat and from 30 to 45 parts of a room temperature liquid comestible oil selected from the group consisting of vegetable oils and white mineral oils having a specific gravity above 0.80.
Claim 28
Dependent Claim
18 words
Solid stick cookware lubricant according to claim 23 in which said liquid comestible oil is white mineral oil.
Claim 29
Dependent Claim
23 words
Solid stick cookware lubricant according to claim 24 including also from 0.1 to 10 parts of a glyceryl or fatty acid ester emulsifier.
Claim 30
Dependent Claim
38 words
Solid stick cookware lubricant according to claim 24 in which said stick has a penetration value between about 30° to 35° and 60° to 65° at 77° F and a congealing temperature of about 120° - 125° F.
Claim 31
Dependent Claim
23 words
Solid stick cookware lubricant according to claim 24 in which said fat comprises hydrogenated vegetable oil glyceride, hydrogenated tallow glyceride, or mixtures thereof.
Claim 32
Dependent Claim
24 words
The solid stick cookware lubricant according to claim 24 in combination with a container therefor from which the stick is controllably extendable for use.
Claim 33
Dependent Claim
34 words
The combination according to claim 28 in which said container comprises a generally cylindrical body, a cover therefor and a piston therewithin manually slidable within the cylinder to controllably extend the stick for use.
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) | 1980-05-16 | 1980-11-15 | 1981-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-16 | 1984-11-15 | 1985-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-16 | 1988-11-15 | 1989-05-17 | $7700.00 | Window Closed / Lapsed |