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:
Sep. 05, 1989
Filed:
May. 25, 1984
Applicant:
Inventors:
Franz-Heinrich Kreuzer, Martinsried, DE;
Helmut Gebauer, Munich, DE;
Assignee:
Consortium fur Elektrochemische, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
424 764 ; 424 762 ;
Abstract
Hexamethylcyclotrisiloxane is prepared by heating linear, branched, or cross-linked organopolysiloxanes containing at least 50 mol percent of dimethylsiloxane units to at least 350.degree. C. in the absence of substances which attack the siloxane group during heating and simultaneously distilling off the cyclic dimethylpolysiloxanes thus formed. The hexamethylcyclotrisiloxane thus prepared is an excellent carrier for fragrant materials, especially where the carrier is present in admixture with other carrier substances such as tetramethylcyclobutanedione.