RICHARD BOLTON
Engineers in Saratoga, CA

License number

Pennsylvania PE018383E

Personal information

See more information about RICHARD BOLTON at radaris.com

Name

Address

Phone

Richard Bolton, age 59

471 Piedmont Rd, Somerset, PA 15501

(814) 386-5616

Richard Bolton

414 Ruth Ct, Harleysville, PA 19438

(215) 513-0175

Richard Bolton

381 Manzanita Dr, Los Osos, CA 93402

Richard Bolton

3863 California St UNIT 1, San Diego, CA 92110

Richard Bolton, age 48

9557 Cambury Dr, Santee, CA 92071

Professional information

Acoustic Scattering And High Reflection Loss Compositions

US Patent:

5114982, May 19, 1992

Filed:

Nov 20, 1989

Appl. No.:

7/438828

Inventors:

Morris A. Mendelsohn - Wilkins Twp., Allegheny County PA
Francis W. Navish - East Pittsburgh PA
Richard Bolton - Saratoga CA

Assignee:

Westinghouse Electric Corp. - Pittsburgh PA

International Classification:

C08J 916, C08G 1832, C08G 1848

US Classification:

521 59

Abstract:

An acoustic foam composition comprising (a) about 1 equivalent of a polybutadiene based polyol (b) about 2. 5 to 7. 5 equivalents of a diisocyante (c) or low molecular weight diol which gives a balanced stoichiometry and (d) about 1. 5 to 6% by weight based on the total weight of the composition of hollow polymeric microspheres. The composition may be prepared by a one-step system or a prepolymer system. The foam compositions of the present invention has excellent acoustic properties.