If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this Schedule because of

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Index to Exhibits Appears on Page 8

This statement relates to the Common Stock, $0.01 par value, of Nocopi Technologies, Inc., a Maryland corporation whose principal executive offices are located at 537 Apple Street, West Conshohocken, PA 19428 ("Nocopi").

1. The following persons are filing this Statement on Schedule 13D:

Westvaco Brand Security, Inc., a Delaware corporation ("WBS"). For additional information concerning the directors and executive officers of WBS, see Exhibit A which is herein incorporated by reference. To the knowledge of the undersigned, all individuals listed on such exhibit are citizens of the United States.

Westvaco Corporation, a Delaware corporation ("Westvaco"). For additional information concerning the directors and executive officers of Westvaco, see Exhibit B which is herein incorporated by reference. To the knowledge of the undersigned, all individuals listed on such exhibit are citizens of the United States.

WBS and Westvaco are herein sometimes collectively referred to as the Filing Persons.

2. The business addresses of the Filing Persons are:

Westvaco Brand Security, Inc. Westvaco Corporation

One High Ridge Park One High Ridge Park

Stamford, CT 06905 Stamford, CT 06905

3. Principal business occupation of the Filing Persons:

WBS is a single-source of brand-theft solutions offering brand owners customized security solutions.

Westvaco is a major producer of packaging, paper and specialty chemicals.

4. Neither of the Filing Persons, nor to their knowledge any of the individuals identified in Exhibit A or Exhibit B, has been convicted in a criminal proceeding in the last five years (excluding traffic violations or similar misdemeanours).
5. During the last five years, neither of the Filing Persons, nor to their knowledge any of the individuals identified in Exhibit A or Exhibit B, has been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.
6. WBS and Westvaco are both corporations organized under the laws of the State of Delaware.

The shares were purchased for an aggregate cash consideration of $325,000. Of this amount, $25,000 was paid by a credit to an account payable owed by WBS to Nocopi. The balance of the source of funds was working capital. In addition, as part of the transaction, WBS and Nocopi agreed to certain modifications of their existing license and related arrangements.

The acquisition by the Filing Persons of the Nocopi shares is being made for investment purposes and as part of the relationship of WBS as a licensee of Nocopi's anti-counterfeiting technologies. As part of the transaction, WBS and Nocopi agreed to certain modifications of their existing license and related arrangements.

Neither of the Filing Parties currently have any plans or proposals that relate to or would result in: (a) the acquisition by any person of additional securities of Nocopi, or the disposition of securities of Nocopi; (b) an extraordinary corporate transaction involving Nocopi or any of its subsidiaries; (c) a sale or transfer of a material amount of assets of Nocopi or any of its subsidiaries; (d) any change in the present board of directors or management of Nocopi; (e) any material change in the present capitalization or dividend policy of Nocopi; (f) any other material change in Nocopi's business or corporate structure; (g) changes in Nocopi's charter, bylaws or instruments corresponding thereto or other actions which may impede the acquisition of control of Nocopi by any person; (h) causing a class of securities of Nocopi to be deregistered or delisted; (i) a class of equity securities of Nocopi becoming eligible for termination of registration; or (j) any action similar to any of the actions enumerated above. The Filing Parties intend to review on a continuing basis the investment in Nocopi and Nocopi's business, prospects and financial condition. Based on such continuing review, alternative investment opportunities available and all other factors deemed relevant (including, without limitation, the market for and price of the Nocopi common stock and general economic conditions and future developments), WBS and/or Westvaco may retain, or from time to time increase its holdings or dispose of all or a portion of its holdings.

1. WBS is the record owner of the 3,917,030 shares that are the subject of this Schedule 13D. As the parent company, Westvaco may be deemed to be share beneficial ownership of these shares.

(c) Neither of the Filing Persons, other than as reported on this Schedule 13D, have effected any transactions in Nocopi shares during the past 60 days.

(d) Neither the Filing Persons, other than as reported on this Schedule 13D, knows of any other person who has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, any Nocopi shares.

(e) Not applicable

The Nocopi shares that are the subject of this Schedule 13D were acquired pursuant to a Stock Purchase Agreement between WBS and Nocopi dated as of February 20, 2001.

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Index to Exhibits

Directors and Executive Officers

Westvaco Brand Security, Inc.

Directors and Executive Officers

Westvaco Corporation

Joint Filing Agreement

The undersigned hereby agree that the statement on Schedule 13D with respect to the Common Stock of Nocopi Technologies, Inc., dated March 14, 2001, is to be filed jointly on behalf of each of them, and any further amendments thereto signed by each of the undersigned, will be also be filed jointly on behalf of each of them.

Dated: March 14, 2001