US5356466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-slip agents
Assignee: Individual
•
Filing: 1993-03-18
•
Granted: 1994-10-18
•
Expires: 2013-03-18
Abstract
Abstract A novel class of chemical compounds has been discovered that has the ability to prevent slippage between surfaces in intimate contact. One immediate application of the compounds is their utility when applied to the rubber V-belts used on the fan belts of automobiles. The compounds are non-toxic, easy to apply and readily available.
Inventors
- 👤 Michael B. Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:56
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/14; C09K3/149
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
25 words
A method for the prevention of slippage in systems comprising coating lecithin or compounds thereof on surfaces that are in intimate contact with each other.
Claim 2
Independent Claim
25 words
A method for the prevention of slippage in systems comprising coating lecithin or compounds thereof on surfaces that are in intimate contact with each other.
Claim 3
Dependent Claim
19 words
The method of claim 1 where the lecithin contains alkyl chains of from 1 to 20 atoms in length.
Claim 4
Dependent Claim
14 words
The method of claim 2 wherein said surfaces comprise a belt and shaft system.
Claim 5
Dependent Claim
15 words
The method of claim 3 wherein said system is attached to a motor or engine.
Claim 6
Dependent Claim
26 words
The method of claim 3 wherein the belt is made of rubber, rubber composite material, or other elastomer material with or without strengthening filaments or fibers.
Claim 7
Dependent Claim
31 words
The method of claim 1, where said lecithin or compounds thereof contain alkyl chains of from 1 to 20 atoms in length with one or more hydroxyl (--OH) groups attached thereto.
Claim 8
Independent Claim
39 words
A method for the prevention of slippage in systems comprising coating two surfaces with Phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol or compounds thereof separately or as mixtures as anti-slip agents when coated on surfaces that are in intimate contact with each other.
Claim 9
Independent Claim
39 words
A method for the prevention of slippage in systems comprising coating two surfaces with Phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol or compounds thereof separately or as mixtures as anti-slip agents when coated on surfaces that are in intimate contact with each other.
Claim 10
Dependent Claim
26 words
The method of claim 7, where the R and R' groups shown in FIG. 1 are alkyl chains of 1 to 20 carbon atoms in length.
Claim 11
Dependent Claim
14 words
The method of claim 8 wherein the system comprises a belt and shaft system.
Claim 12
Dependent Claim
26 words
The method of claim 9, where the belt is made of rubber, rubber composite material, or other elastomer material with or without strengthening filaments or fibers.
Claim 13
Dependent Claim
31 words
The method of claim 7, where said lecithin or compounds thereof contain alkyl chains of from 1 to 20 atoms in length with one or more hydroxyl (--OH) groups attached thereto.
Claim 14
Dependent Claim
13 words
The method of claim 11, wherein the system comprises a belt and shaft.
Claim 15
Dependent Claim
23 words
The method of claim 12, wherein the system comprises a rubber belt and pulley or shaft system attached to a motor or engine.
Claim 16
Dependent Claim
26 words
The method of claim 13, where the belt is made of rubber, rubber composite material, or other elastomer material with or without strengthening filaments or films.
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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) | 1997-10-17 | 1998-04-18 | 1998-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-17 | 2002-04-18 | 2002-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-17 | 2006-04-18 | 2006-10-18 | $7700.00 | Window Closed / Lapsed |