The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 1976
Filed:
Dec. 19, 1974
Applicant:
Inventors:
Richard C Fox, San Rafael, CA (US);
Thornton K Jones, Greenbrae, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23D / ;
U.S. Cl.
CPC ...
431325 ; 44-75 ;
Abstract
A lead-free candle wick composition comprising a combustible wick and a stiffening agent is disclosed. The stiffening agent comprises a substantially wax-insoluble polymer or copolymer which has a Vicat softening point at least 2.5.degree.C. higher than the melting point of the candle wax and which depolymerizes or pyrolyzes to substantially completely combustible products at a temperature above said melting point and at or below the temperature of the candle flame.