SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 15
Certification and Notice of Termination of Registration under
Section 12(g) of the Securities Exchange Act of 1934
or Suspension of Duty to File Reports Under Sections 13 and 15(d)
of the Exchange Act of 1934
0-19423
Commission File Number
SOMATOGEN, INC.
(Exact name of registrant as specified in its charter)
2545 CENTRAL AVENUE, SUITE FD1, BOULDER, COLORADO 80301 (303-440-9988)
(Address, including zip code, and telephone number, including
area code, of registrant's principal executive offices)
COMMON STOCK, PAR VALUE $.001 PER SHARE
(Title of each class of securities covered by this Form)
NONE
(Titles of all other classes of securities for which a duty to
file reports under Section 13(a) or 15(d) remains)
Please place an X in the box(es) to designate the appropriate rule
provision(s) relied upon to terminate or suspend the duty to file reports:
Rule 12g-4(a)(1)(i) [ ] Rule 12h-3(b)(1)(ii) [ ]
Rule 12g-4(a)(1)(ii) [ ] Rule 12h-3(b)(2)(i) [ ]
Rule 12g-4(a)(2)(i) [ ] Rule 12h-3(b)(2)(ii) [ ]
Rule 12g-4(a)(2)(ii) [ ]
Rule 12h-3(b)(1)(i) [ ] Rule 15d-6 [x]
Approximate number of holders of record as of the certification or
notice date: 0
Pursuant to the requirements of the Securities Exchange Act of 1934,
RHB1 Acquisition Corp., a Delaware corporation, as sucessor to Somatogen,
Inc., has caused this certification/notice to be signed on its behalf by
the undersigned duly authorized person.
DATE: May 5, 1998 BY: /s/ Timothy D. Hoogheem
-----------------------------------
Name: Timothy D. Hoogheem
Title: Senior Vice President of
Finance and Administration,
Chief Financial Officer and
Treasurer
Instruction: This form is required by Rules 12g-4, 12h-3 and 15d-6 of the
General Rules and Regulations under the Securities Exchange Act of 1934.
The registrant shall file with the Commission three copies of Form 15, one
of which shall be manually signed. It may be signed by an officer of the
registrant, by counsel or by any other duly authorized person. The name and
title of the person signing the form shall be typed or printed under the
signature.
