John R Cardinal: Laminate device for controlled and prolonged release of substances to an ambient environment and method of use. Pfizer, Charles J Knuth, Albert E Frost, Peter C Richardson, July 22, 1986: US04601893 (142 worldwide citation)

Laminate device for the controlled and prolonged release of at least one active agent to an ambient environment comprising at least one core sheet, said core sheet or sheets comprising said agent or agents in a polymer matrix, and, in a preferred embodiment, a porosity enhancing agent in admixture w ...

Dennis J Hoover: Intermediates in polypeptide synthesis. Pfizer, Charles J Knuth, Albert E Frost, James M McManus, July 8, 1986: US04599198 (127 worldwide citation)

Bis(t-butoxycarbonyl) derivatives of phenylalanylhistidine as intermediates in the synthesis of rennin inhibiting polypeptides.

Gene M Bright: N-Methyl 11-aza-10-deoxo-10-dihydro-erytromycin A, intermediates therefor. Pfizer, Charles J Knuth, Albert E Frost, Peter C Richardson, October 2, 1984: US04474768 (98 worldwide citation)

Antibacterial N-methyl 11-aza-10-deoxo-10-dihydroerythromycin A and pharmaceutically acceptable acid addition salts thereof, intermediates therefor, and processes for their preparation.

Robert A Gill, Nigel D Sanders: Precipitated calcium carbonate-cationic starch binder as retention aid system for papermaking. Pfizer, Peter C Richardson, Trevor J Lumb, Albert E Frost, January 9, 1990: US04892590 (79 worldwide citation)

A two component binder system comprising a highly dispersible, high specific surface area precipitated calcium carbonate (colloidal PCC) and a cationic starch, especially a cationic potato starch, for improving filler retention, opacity and strength during papermaking.

James F Eggler, Gerald F Holland, Mickael R Johnson, Robert A Volkmann: Hypoglycemic thiazolidinediones. Pfizer, Peter C Richardson, Albert E Frost, Robert K Blackwood, October 27, 1987: US04703052 (53 worldwide citation)

Hypoglycemic 2,3-dihydro-5-benzo[b]furanyl-2,3-dihydro-5-benzo[b]thienyl-, 3,4-dihydro(2H)-6-benzopyranyl- and 6-thiochromanyl-thiazolidine-2,4-diones and pharmaceutically acceptable salts thereof, method for their use in treatment of hyperglycemic animals and pharmaceutical compositions containing ...


Anibal Torres: Preparation and use of a highly purified polydextrose. Pfizer, Charles J Knuth, Albert E Frost, James M McManus, November 11, 1986: US04622233 (51 worldwide citation)

Methods for preparing purified, decolorized polydextrose having a lower caloric value, higher pH and less color than presently available commercial material, and the use of said improved product in edible foodstuffs and beverages.

Jeffrey L Ives, Frank C Sciavolino: Acyltripeptide immunostimulants. Pfizer, Charles J Knuth, Albert E Frost, Peter C Richardson, January 21, 1986: US04565653 (45 worldwide citation)

Acyltripeptides having the formula below, pharmaceutically acceptable salts thereof and intermediates therefor; processes for their preparation and use as immunostimulant and antibacterial agents. ##STR1## wherein R.degree. is C.sub.1-6 alkyl; x is an integer and is 1 to 4.

N Nash Marinovic: Polyetherurethane urea polymers as space filling tissue adhesives. Pfizer Hospital Products Group, Peter C Richardson, Albert E Frost, Robert K Blackwood, May 10, 1988: US04743632 (35 worldwide citation)

Purified diisocyanate polyetherurethane prepolymers and process therefor. Polyetherurethane urea polymers prepared by mixing said prepolymers with an aqueous solution of an amino, ureido or hydroxy substituted amine or a like-substituted alpha-amino acid, and a method of using same as a space fillin ...

Alan C Curtiss, Jeelin Lo: Rolled matrix device having enhanced ability to unroll and method for its production. Pfizer, Peter C Richardson, J Trevor Lumb, Albert E Frost, August 29, 1989: US04861596 (28 worldwide citation)

A method for enhancing the unrolling of a rolled active agent-containing laminate device in an aqueous use environment which comprises coating one side of the device with an elastomer prior to constraining it in a rolled configuration; and the devices so treated.