Peter P Klemchuk

6353042, Mar 5, 2002

Jul 24, 1997

08/899513

Jack I. Hanoka - Brookline MA
Peter P. Klemchuk - Watertown CT

Evergreen Solar, Inc. - Marlborough MA

C09K 910

523207, 136251, 136252, 136259, 156 99, 156327, 524100, 524102

An ultraviolet light stabilization additive package is used in an encapsulant material that may be used in solar cell modules, laminated glass and a variety of other applications. The ultraviolet light stabilization additive package comprises a first hindered amine light stabilizer and a second hindered amine light stabilizer. The first hindered amine light stabilizer provides thermal oxidative stabilization, and the second hindered amine light stabilizer providing photo-oxidative stabilization.

54765536, Dec 19, 1995

Feb 18, 1994

8/198485

Jack I. Hanoka - Brookline MA
Peter P. Klemchuk - Watertown CT

ASE Americas, Inc. - Billerica MA

H01L 31048
H01L 3118

136251

A photovoltaic solar cell module and method of manufacture is provided wherein an ionomer is used as an encapsulant, wherein said ionomer being modified by the presence of 0. 3 to 2. 0 wt. percent of a UV absorber and 0. 3 to 2. 0 wt. percent of a UV stabilizer.

39351645, Jan 27, 1976

May 28, 1974

5/473633

John d. Spivack - Spring Valley NY
Peter P. Klemchuk - Yorktown Heights NY

Ciba-Geigy Corporation - Ardsley NY

C08G 600

260 4575N

Organic polymeric materials normally subject to oxidative and ultraviolet light deterioration are stabilized by incorporating therein a nickel 3,5-bis-dialkyl-4-hydroxybenzoate, an ultraviolet light absorber such as benzophenone or a benzotriazole, and optionally a primary phenolic antioxidant with or without a secondary sulfur containing antioxidant.

39351637, Jan 27, 1976

May 28, 1974

5/473605

John D. Spivack - Spring Valley NY
Peter P. Klemchuk - Yorktown Heights NY

Ciba-Geigy Corporation - Ardsley NY

C08G 600

260 4575N

Organic polymeric materials normally subject to oxidative and ultraviolet light deterioration are stabilized by incorporating therein a nickel bis-3,5-dialkyl-4-hydroxybenzoate, an ultraviolet light absorber such as a benzophenone or a benzotriazole, a light stabilizer such as a p-hydroxybenzoate ester and optionally a primary phenolic antioxidant with or without a secondary sulfur containing antioxidant.

61874485, Feb 13, 2001

Mar 6, 1998

9/036174

Jack I. Hanoka - Brookline MA
Peter P. Klemchuk - Watertown CT

Evergreen Solar, Inc. - Waltham MA

B32B 2708
B32B 1710
H01L 31048

428515

An encapsulant material includes a layer of metallocene polyethylene disposed between two layers of an acid copolymer of polyethylene. More specifically, the layer of metallocene polyethylene is disposed adjacent a rear surface of the first layer of the acid copolymer of polyethylene, and a second layer of the acid copolymer of polyethlene is disposed adjacent a rear surface of the layer of metallocene polyethylene. The encapsulant material can be used in solar cell module and laminated glass applications.

41169301, Sep 26, 1978

Sep 14, 1976

5/723128

Martin Dexter - Briarcliff Manor NY
Martin Knell - Ossining NY
Peter Klemchuk - Yorktown Heights NY
John F. Stephen - New City NY

Ciba-Geigy Corporation - Ardsley NY

C08K 534

260 458N

Pyromellitic diimides of 3,5-dialkyl-4-hydroxyphenylsubstituted amines of this invention effectively stabilize organic materials against the effects of heat and oxygen. The diimides of this invention are prepared by reacting the appropriate 3,5-dialkyl-4-hydroxyphenylsubstituted amine with pyromellitic anhydride or pyromelletic diimide. An example of this class of stabilizer is N,N'-bis(3,5-di-t-butyl-4-hydroxyphenyl)pyromellitic diimide.