# US 4,395,532 A · Coating composition

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- Number: US 4,395,532 A
- Document ID: US4395532A
- Status: Granted
- Kind: A
- Application number: 06/361,366
- Filed: 1982-03-25
- Granted: 1983-07-26
- Earliest claimed: 1982-03-25
- Inventors: Herman A. Bruson, deceased; by Virginia H. Bruson, executrix
- Web page: https://patentgrep.com/patent/US4395532A

## CPC

- C08G 18/676: {containing the unsaturation at least partially in a non-aromatic carbocyclic ring}
- C08G 18/04: with vinyl compounds
- C08G 18/6735: {Unsaturated compounds containing the unsaturation at least partially in a non-aromatic carbocyclic ring}
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS

## Abstract

Low cost protective coating composition. The coating composition is the reaction product of at least one polyurethane-forming reagent containing a plurality of isocyanate groups and a material selected from the group consisting of cyclopentadiene, dicyclopentadiene, derivatives thereof, and mixtures thereof.

## Claims

### Claim 1

A low cost resistant coating composition which comprises the reaction product of at least one polyurethane-forming reagent containing a plurality of isocyanate groups and dicyclopentenyl alcohol.

### Claim 2 (depends on 1)

A coating composition according to claim 1 wherein the polyurethane-forming reagent contains 2 to 6 isocyanate substituent groups per molecular unit.

### Claim 3 (depends on 1)

A coating composition according to claim 1 wherein said polyurethane-forming reagent is selected from the group consisting of toluene di-isocyanate, diphenyl methylene di-isocyanate, polymethylene polyphenyl isocyanate, naphthyl polyisocyanate, phenyl di-isocyanate, and mixtures thereof.

### Claim 4 (depends on 1)

A coating composition according to claim 1 wherein the reaction product is mixed with an effective amount of an inert solvent.