US4181626A
Expired / Lapsed
US
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Method of preparing tungsten hexacarbonyl containing polymers and polymers prepared thereby
Assignee: PPG Industries Inc
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Filing: 1977-12-27
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Granted: 1980-01-01
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Expires: 1997-12-27
Abstract
Abstract Disclosed are light absorbing solutions of tungsten hexacarbonyl in olefinically unsaturated carboxylic acids and light absorbing polymers prepared from allyl carbonate, olefinically unsaturated acid monomers, and tungsten hexacarbonyl. Also disclosed is a process for preparing such light absorbing polymers.
Inventors
- 👤 Ivan R. Leatherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:17
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/04; C08F22/00; G; G02; G02B; G02B1/00; G02B1/04; G02B5/00; G02B5/20; G02B5/22; G02B5/23
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
27 words
A light absorbing liquid composition provided by heating a liquid composition consisting essentially of an olefinically unsaturated carboxylic acid and a light absorbing quantity of tungsten hexacarbonyl.
Claim 2
Dependent Claim
27 words
A light absorbing liquid composition provided by heating a liquid composition consisting essentially of an olefinically unsaturated carboxylic acid and a light absorbing quantity of tungsten hexacarbonyl.
Claim 3
Dependent Claim
26 words
The liquid composition of claim 1 wherein the olefinically unsaturated acid is chosen from the group consisting of maleic acid, maleic acid anhydride, and acrylic acid.
Claim 4
Dependent Claim
43 words
A polymerizate of an olefinically unsaturated carboxylic acid and a bis(allyl carbonate) containing a light absorbing component provided by the reaction of the olefinically unsaturated carboxylic acid in the presence of about 0.1 to about 3 weight percent tungsten hexacarbonyl basis total organics.
Claim 5
Dependent Claim
43 words
A polymerizate of an olefinically unsaturated carboxylic acid and a bis(allyl carbonate) containing a light absorbing component provided by the reaction of the olefinically unsaturated carboxylic acid in the presence of about 0.1 to about 3 weight percent tungsten hexacarbonyl basis total organics.
Claim 6
Dependent Claim
66 words
The polymerizate of claim 3 wherein the bis(allyl carbonate) is represented by the formula: ##STR22## where R 1 and R 3 are allyl groups represented by the formula: ##STR23## where R' is chosen from the group consisting of H, a halogen, and a 1 to 4 carbon alkyl group, and R 2 is a radical derived from the glycol used to make the bis(allyl carbonate) monomer.
Claim 7
Dependent Claim
14 words
The polymerizate of claim 4 wherein the bis(allyl carbonate) is diethylene glycol bis(allyl carbonate).
Claim 8
Dependent Claim
59 words
The polymerizate of claim 3 wherein the olefinically unsaturated carboxylic acid is represented by the formula: ##STR24## where R 4 , R 5 , and R 6 are chosen from the group consisting of hydrogen, halogen, and alkyl groups of 1 to 4 carbon atoms and where either R 5 or R 6 may be a carboxylic acid group.
Claim 9
Dependent Claim
25 words
The polymerizate of claim 6 wherein the olefinically unsaturated acid is chosen from the group consisting of acrylic acid, maleic acid, and maleic acid anhydride.
Claim 10
Dependent Claim
33 words
The polymerizate of claim 3 comprising from about 0.10 to about 3 weight percent tungsten, calculated as tungsten hexacarbonyl, basis total organics, up to about 25 weight percent acid, and balance bis(allyl carbonate).
Claim 11
Independent Claim
61 words
A method of preparing a light absorbing polymerizate comprising: heating a liquid, olefinically unsaturated carboxylic acid in the presence of about 0.1 to about 3 weight percent of tungsten hexacarbonyl, basis total organics in the polymerizate, to form a light absorbing liquid; adding the light absorbing liquid to a bis(allyl carbonate) and polymerizing the light absorbing liquid and the bis(allyl carbonate).
Claim 12
Independent Claim
61 words
A method of preparing a light absorbing polymerizate comprising: heating a liquid, olefinically unsaturated carboxylic acid in the presence of about 0.1 to about 3 weight percent of tungsten hexacarbonyl, basis total organics in the polymerizate, to form a light absorbing liquid; adding the light absorbing liquid to a bis(allyl carbonate) and polymerizing the light absorbing liquid and the bis(allyl carbonate).
Claim 13
Dependent Claim
66 words
The method of claim 9 wherein the bis(allyl carbonate) is represented by the formula: ##STR25## where R 1 and R 3 are allyl groups represented by the formula: ##STR26## where R' is chosen from the group consisting of H, a halogen, and a 1 to 4 carbon alkyl group, and R 2 is a radical derived from the glycol used to make the bis(allyl carbonate) monomer.
Claim 14
Dependent Claim
14 words
The method of claim 10 wherein the bis(allyl carbonate) is diethylene glycol bis(allyl carbonate).
Claim 15
Dependent Claim
59 words
The method of claim 9 wherein the olefinically unsaturated carboxylic acid is represented by the formula: ##STR27## where R 4 , R 5 , and R 6 are chosen from the group consisting of hydrogen, halogen, and alkyl groups of 1 to 4 carbon atoms and where either R 5 or R 6 may be a carboxylic acid group.
Claim 16
Dependent Claim
25 words
The method of claim 12 wherein the olefinically unsaturated acid is chosen from the group consisting of acrylic acid, maleic acid, and maleic acid anhydride.
Claim 17
Dependent Claim
27 words
A light absorbing polymerizate of a bis(allyl carbonate) and a light absorbing component provided by the reaction product of tungsten hexacarbonyl and an olefinically unsaturated carboxylic acid.
Claim 18
Dependent Claim
27 words
A light absorbing polymerizate of a bis(allyl carbonate) and a light absorbing component provided by the reaction product of tungsten hexacarbonyl and an olefinically unsaturated carboxylic acid.
Claim 19
Dependent Claim
66 words
The polymerizate of claim 14 wherein the bis(allyl carbonate) is represented by the formula: ##STR28## where R 1 and R 3 are allyl groups represented by the formula: ##STR29## where R' is chosen from the group consisting of H, a halogen, and a 1 to 4 carbon alkyl group; and R 2 is a radical derived from the glycol used to make the bis(allyl carbonate) monomer.
Claim 20
Dependent Claim
14 words
The polymerizate of claim 14 wherein the bis(allyl carbonate) is diethylene glycol bis(allyl carbonate).
Claim 21
Dependent Claim
59 words
The polymerizate of claim 14 wherein the olefinically unsaturated carboxylic acid is represented by the formula: ##STR30## where R 4 , R 5 , and R 6 are chosen from the group consisting of hydrogen, halogen, and alkyl groups of 1 to 4 carbon atoms and where either R 5 or R 6 may be a carboxylic acid group.
Claim 22
Dependent Claim
25 words
The polymerizate of claim 17 wherein the olefinically unsaturated acid is chosen from the group consisting of acrylic acid, maleic acid, and maleic acid anhydride.
Claim 23
Dependent Claim
33 words
The polymerizate of claim 14 comprising from about 0.10 to about 3 weight percent tungsten, calculated as tungsten (hexacarbonyl), basis total organics, up to about 25 weight percent acid, and balance bis(allyl carbonate).
Claim 24
Independent Claim
52 words
A method of preparing a light absorbing polymerizate comprising: heating a liquid, olefinically unsaturated carboxylic acid in the presence of a light absorbing amount of tungsten hexacarbonyl to form a light absorbing liquid; adding the light absorbing liquid to a bis(allyl carbonate) and polymerizing the light absorbing liquid and the bis(allyl carbonate).
Claim 25
Independent Claim
52 words
A method of preparing a light absorbing polymerizate comprising: heating a liquid, olefinically unsaturated carboxylic acid in the presence of a light absorbing amount of tungsten hexacarbonyl to form a light absorbing liquid; adding the light absorbing liquid to a bis(allyl carbonate) and polymerizing the light absorbing liquid and the bis(allyl carbonate).
Claim 26
Dependent Claim
66 words
The method of claim 20 wherein the bis(allyl carbonate) is represented by the formula: ##STR31## where R 1 and R 3 are allyl groups represented by the formula: ##STR32## where R' is chosen from the group consisting of H, a halogen, and a 1 to 4 carbon alkyl group, and R 2 is a radical derived from the glycol used to make the bis(allyl carbonate) monomer.
Claim 27
Dependent Claim
14 words
The method of claim 21 wherein the bis(allyl carbonate) is diethylene glycol bis(allyl carbonate).
Claim 28
Dependent Claim
59 words
The method of claim 20 wherein the olefinically unsaturated carboxylic acid is represented by the formula: ##STR33## where R 4 , R 5 , and R 6 are chosen from the group consisting of hydrogen, halogen, and alkyl groups of 1 to 4 carbon atoms and where either R 5 or R 6 may be a carboxylic acid group.
Claim 29
Dependent Claim
25 words
The method of claim 23 wherein the olefinically unsaturated acid is chosen from the group consisting of acrylic acid, maleic acid, and maleic acid anhydride.
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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) | 1982-12-31 | 1983-07-02 | 1984-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-31 | 1987-07-02 | 1988-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-31 | 1991-07-02 | 1992-01-01 | $7700.00 | Window Closed / Lapsed |