US4026867A
Expired / Lapsed
US
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Acid modified phenol-aldehyde resinous condensation products and friction particles therefrom
Assignee: CARDOLITE Corp A CORP OF NEW JERSEY
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Filing: 1976-04-16
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Granted: 1977-05-31
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Expires: 1996-04-16
Abstract
Abstract Friction modifying particles are formed from acid modified phenol-aldehyde resins and the polyvalent metal salts thereof.
Inventors
- 👤 Robert A. Gardiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:28
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; F16D69/025; C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/18
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
34 words
A resinous condensation product of (1) the ene reaction adduct of dienophilic alpha-beta-unsaturated aliphatic carboxylic acid or anhydride or ester thereof with unsaturated cashew nut shell liquid phenol or oligomer thereof and (2) aldehyde.
Claim 2
Dependent Claim
34 words
A resinous condensation product of (1) the ene reaction adduct of dienophilic alpha-beta-unsaturated aliphatic carboxylic acid or anhydride or ester thereof with unsaturated cashew nut shell liquid phenol or oligomer thereof and (2) aldehyde.
Claim 3
Dependent Claim
22 words
The resinous condensation product of claim 1 wherein alpha-beta unsaturated acid or derivative is maleic acid or anhydride and aldehyde is formaldehyde.
Claim 4
Dependent Claim
108 words
As a composition of matter, a resinous condensation product of aldehyde and phenol wherein the phenol comprises meta(carboxy-alkenyl)substituted phenol of the formula: ##STR3## wherein R is a carboxy-alkenyl group containing at least one ethylenic double bond of the formula --C.sub.n H.sub.2n.sub.-x (CO.sub.2 M).sub.m where n is 17 to 21, m is an integer from 1 to y'1, x is an integer from 2 to 11 inclusive and is odd when m is even and even when m is odd, x-m=y, y is 1, 3 or 5, M is H or one equivalent of a polyvalent metal and X is H or OH; or an oligomer of said phenol.
Claim 5
Dependent Claim
108 words
As a composition of matter, a resinous condensation product of aldehyde and phenol wherein the phenol comprises meta(carboxy-alkenyl)substituted phenol of the formula: ##STR3## wherein R is a carboxy-alkenyl group containing at least one ethylenic double bond of the formula --C.sub.n H.sub.2n.sub.-x (CO.sub.2 M).sub.m where n is 17 to 21, m is an integer from 1 to y'1, x is an integer from 2 to 11 inclusive and is odd when m is even and even when m is odd, x-m=y, y is 1, 3 or 5, M is H or one equivalent of a polyvalent metal and X is H or OH; or an oligomer of said phenol.
Claim 6
Dependent Claim
20 words
The resinous composition of matter according to claim 3 wherein n is 17, m is 2 and y is 1.
Claim 7
Dependent Claim
20 words
The resinous composition of matter according to claim 3 wherein n is 19, m is 4 and y is 3.
Claim 8
Dependent Claim
109 words
A friction modifying particle comprising a fully cured condensation product of aldehyde and phenol wherein the phenol comprises meta-(carboxy-alkenyl)substituted phenol of the formula: ##STR4## wherein R is a carboxy-alkenyl group containing at least one ethylenic double bond of the formula --C.sub.n H.sub.2n.sub.-x (CO.sub.2 M).sub.m where n is 17 to 21, m is an integer from 1 to y+1, x is an integer from 2 to 11 inclusive and is odd when m is even and even when m is odd, x-m=y, y is 1, 3 or 5, M is H or one equivalent of a polyvalent metal and X is H or OH; or an oligomer of said phenol.
Claim 9
Dependent Claim
109 words
A friction modifying particle comprising a fully cured condensation product of aldehyde and phenol wherein the phenol comprises meta-(carboxy-alkenyl)substituted phenol of the formula: ##STR4## wherein R is a carboxy-alkenyl group containing at least one ethylenic double bond of the formula --C.sub.n H.sub.2n.sub.-x (CO.sub.2 M).sub.m where n is 17 to 21, m is an integer from 1 to y+1, x is an integer from 2 to 11 inclusive and is odd when m is even and even when m is odd, x-m=y, y is 1, 3 or 5, M is H or one equivalent of a polyvalent metal and X is H or OH; or an oligomer of said phenol.
Claim 10
Dependent Claim
11 words
A friction component comprising friction modifying particles according to claim 6.
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) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |