Amoco Corporation

Bp Amoco Corporation

Egils Vitands

Kelley R Lane

Allen B Mossman

William S Eryman

Robin M Gryziecki

Thomas E Rehm

Yin-Chou Lin

James B Lents

A process for upgrading a feedstock comprising lower oligomers and higher oligomers of isobutylene by oligomerizing the lower oligomer fraction thereof to higher molecular weight components.

Upgrading light oligomers

A thixotropic gel composition is disclosed as a fiber optic buffer tube compound. The composition as a fiber optic buffer tube compound is resistant to syneresis and phase separation, and to ingress of water and water vapor. The composition has low temperature flowability at -40.degree. C. as determined by a cone penetration test and has continued high temperature consistency at +80.degree. C. The composition retains its low temperature flowability property after a heat aging test at 93.degree. C. The composition comprises polybutene, polyethylene wax, hydrophobic fumed silica, and, optionally, an antioxidant.

Fiber optic buffer tube compound

A process for the preparation of hydrogenated deodorized polybutene polymers, wherein the polybutene polymer is hydrogenated, distilled to substantially remove low boiling odorous compounds, and treated with silica gel to substantially remove the remaining odorous compounds thereby providing an improved hydrogenated, distilled, silica gel-treated polybutene polymer substantially free of odorous compounds.

Hydrogenated deodorized polybutene polymers

A process to hydrogenate and deodorize a polyisobutylene polymer of from 100 to 4000 molecular weight and cosmetic dermatological compositions containing the hydrogenated, deodorized polyisobutylene polymers are disclosed.

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Lisle, IL, United States of America

Egils Vitands