In Choon Lim

US Patent:

43138730, Feb 2, 1982

Filed:

Jun 18, 1979

Appl. No.:

6/049834

Inventors:

In C. Lim - Pittsburgh PA

Assignee:

Mobay Chemical Corporation - Pittsburgh PA

International Classification:

C08L 9100

US Classification:

260 18TN

Abstract:

The present invention pertains to a method for reducing the processing temperature of a thermoplastic polymer comprising blending the thermoplastic polymer in powder form with an effective amount of a compound having a softening temperature of about 20. degree. to 200. degree. C. lower than the softening temperature of the thermoplastic polymer. The invention further pertains to novel chemical blowing agent concentrates.

US Patent:

43439128, Aug 10, 1982

Filed:

Sep 21, 1981

Appl. No.:

6/304398

Inventors:

In C. Lim - Pittsburgh PA

Assignee:

Mobay Chemical Corporation - Pittsburgh PA

International Classification:

C08J 906
C08L 9100

US Classification:

521 90

Abstract:

The present invention pertains to a method for reducing the processing temperature of a thermoplastic polymer comprising blending the thermoplastic polymer in powder form with an effective amount of a compound having a softening temperature of about 20. degree. to 200. degree. C. lower than the softening temperature of the thermoplastic polymer. The invention further pertains to novel chemical blowing agent concentrates.

US Patent:

45006539, Feb 19, 1985

Filed:

Sep 14, 1983

Appl. No.:

6/531982

Inventors:

Manfred Schmidt - Krefeld, DE
Mark W. Witman - Krefeld, DE
Gerard E. Reinert - McMurray PA
In C. Lim - Pittsburgh PA

Assignee:

Mobay Chemical Corporation - Pittsburgh PA

International Classification:

C08J 910

US Classification:

521 90

Abstract:

The present invention is directed to derivatives of azoles, their preparation and their use as chemical blowing agents for thermoplastic molding compositions. The agents of the invention are characterized in their improved compatibility with the resin wherein they are incorporated.

US Patent:

44607334, Jul 17, 1984

Filed:

Nov 29, 1982

Appl. No.:

6/445317

Inventors:

Russell P. Carter - New Martinsville WV
In C. Lim - Pittsburgh PA
Gerard E. Reinert - McMurray PA

Assignee:

Mobay Chemical Corporation - Pittsburgh PA

International Classification:

C08K 336

US Classification:

524493

Abstract:

The present invention is directed to a polycarbonate composition comprising finely divided silica which composition is characterized by low gloss.